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description Publicationkeyboard_double_arrow_right Article 2021 Sweden, FrancePublisher:MDPI AG Md. Siddikur Rahman; Tipaya Ekalaksananan; Sumaira Zafar; Petchaboon Poolphol; Oleg V. Shipin; Ubydul Haque; Richard Paul; Joacim Rocklöv; Chamsai Pientong; Hans J. Overgaard;Aedes aegypti is the main vector of dengue globally. The variables that influence the abundance of dengue vectors are numerous and complex. This has generated a need to focus on areas at risk of disease transmission, the spatial-temporal distribution of vectors, and the factors that modulate vector abundance. To help guide and improve vector-control efforts, this study identified the ecological, social, and other environmental risk factors that affect the abundance of adult female and immature Ae. aegypti in households in urban and rural areas of northeastern Thailand. A one-year entomological study was conducted in four villages of northeastern Thailand between January and December, 2019. Socio-demographic and climate data were collected. Household crowding index (HCI), premise condition index (PCI), socio-economic status (SES), and entomological indices (HI, CI, BI, and PI) were calculated. Negative binomial generalized linear models (GLMs) were fitted to identify the risk factors associated with the abundance of adult females and immature Ae. aegypti. Urban sites had higher entomological indices and numbers of adult Ae. aegypti mosquitoes than rural sites. Overall, participants’ KAP about climate change and dengue were low in both settings. The fitted GLM showed that a higher abundance of adult female Ae. aegypti was significantly (p < 0.05) associated with many factors, such as a low education level of household respondents, crowded households, poor premise conditions, surrounding house density, bathrooms located indoors, unscreened windows, high numbers of wet containers, a lack of adult control, prior dengue infections, poor climate change adaptation, dengue, and vector-related practices. Many of the above were also significantly associated with a high abundance of immature mosquito stages. The GLM model also showed that maximum and mean temperature with four-and one-to-two weeks of lag were significant predictors (p < 0.05) of the abundance of adult and immature mosquitoes, respectively, in northeastern Thailand. The low KAP regarding climate change and dengue highlights the engagement needs for vector-borne disease prevention in this region. The identified risk factors are important for the critical first step toward developing routine Aedes surveillance and reliable early warning systems for effective dengue and other mosquito-borne disease prevention and control strategies at the household and community levels in this region and similar settings elsewhere. knowledge, attitudes, and practices (KAP) regarding climate change and dengue self-reported prior dengue infections characteristics of water containers durable asset ownership housing conditions water management
International Journa... arrow_drop_down International Journal of Environmental Research and Public HealthArticle . 2021Full-Text: http://europepmc.org/articles/PMC8199701Data sources: PubMed CentralInternational Journal of Environmental Research and Public HealthOther literature type . Article . 2021 . Peer-reviewedLicense: CC BYFull-Text: http://www.mdpi.com/1660-4601/18/11/5971/pdfInternational Journal of Environmental Research and Public HealthArticleLicense: CC BYData sources: UnpayWallInternational Journal of Environmental Research and Public HealthArticle . 2021Data sources: Europe PubMed CentralInternational Journal of Environmental Research and Public HealthArticle . 2021Data sources: DOAJ-Articlesadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.3390/ijerph18115971&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess Routesgold 22 citations 22 popularity Top 10% influence Average impulse Top 10% Powered by BIP!more_vert International Journa... arrow_drop_down International Journal of Environmental Research and Public HealthArticle . 2021Full-Text: http://europepmc.org/articles/PMC8199701Data sources: PubMed CentralInternational Journal of Environmental Research and Public HealthOther literature type . Article . 2021 . Peer-reviewedLicense: CC BYFull-Text: http://www.mdpi.com/1660-4601/18/11/5971/pdfInternational Journal of Environmental Research and Public HealthArticleLicense: CC BYData sources: UnpayWallInternational Journal of Environmental Research and Public HealthArticle . 2021Data sources: Europe PubMed CentralInternational Journal of Environmental Research and Public HealthArticle . 2021Data sources: DOAJ-Articlesadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.3390/ijerph18115971&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Doctoral thesis , Other literature type 2021 France FrenchPublisher:HAL CCSD Authors: GOLDSTEIN, Arthur;GOLDSTEIN, Arthur;Les microbes des sols sont utiles à l’agriculture : ils aident les plantes à acquérir des nutriments, dégradent les déchets, protègent les plantations contre les pathogènes… Comprendre les interactions entre les microorganismes, les plantes et les autres éléments du sol pourrait permettre de gagner en productivité tout en préservant l’environnement. Dans cet optique, un des enjeux en agronomie est d’être capable de caractériser les communautés microbiennes des sols de manière fonctionnelle ; c’est-à-dire de quantifier les services qu’elles peuvent rendre à l’agriculture et à la société de manière générale. Par exemple, un « bon » microbiote d’un point de vue fonctionnel protégera les plantes des maladies et les aidera à acquérir des nutriments, il dégradera les éventuels polluants néfastes et limitera les efflux de gaz à effet de serre. Pour mener cette caractérisation, l’identification et l’analyse génétique des microbiotes ne suffisent pas ; des outils technologiques manquent.Nous avons choisi de nous occuper de ce problème en exploitant une technologie qui n’avait pas été employée jusqu’ici en agriculture : la millifluidique de gouttes, qui consiste à manipuler des gouttes de quelques centaines de nanolitres, séparées les unes des autres par une phase huileuse. En l’occurrence, nous avons utilisé l’automate de culture microbiologique en gouttes de la startup MilliDrop. Nous avons étudié une fonction : la capacité à solubiliser le phosphate du sol, un nutriment essentiel aux plantes. Nous avons adapté la recette d’un milieu de culture utilisé depuis plus de 70 ans : le milieu Pikovskaya. Il contient des particules de phosphate de calcium et nous avons dû mener un travail de formulation physico-chimique important pour transférer ces particules en gouttes et les y maintenir dispersées. Nous avons par ailleurs ajouté au milieu deux sondes fluorescentes qui nous ont permis de suivre à la fois le pH de nos gouttes et l’activité respiratoire. Ce protocole expérimental prêt, nous l’avons appliqué à une douzaine de sols agricoles.Grâce à la fluorescence de la résazurine, notre sonde d’activité respiratoire, nous avons estimé la concentration en cellules cultivables dans nos échantillons. Nous avons montré que l’on obtenait en tendance le même nombre de microorganismes avec notre méthode en gouttes qu’avec la méthode classique de dénombrement de colonies sur boîtes de Petri.En exploitant un bloc optique conçu pour notre projet, nous avons pu mener des mesures de néphélométrie (scattering) en gouttes et évaluer la capacité de nos microorganismes à faire baisser ce signal, ce que nous interprétons au moins partiellement comme la capacité des microorganismes à solubiliser le phosphate. Grâce à notre sonde pH, nous avons pu montrer que la baisse du signal de scattering était associée à une chute du pH sous 5,8 (qui correspond au pH théorique en-dessous duquel les particules se dissolvent par seul effet de l’acidité) dans environ 90% des gouttes. Il est possible que parmi les 10% des gouttes restantes, on trouve des microorganismes qui sécrètent de grandes quantités de chélatants, ce qui représente un intérêt agricole particulier. On trouve systématiquement plus de microorganismes solubilisateurs en gouttes qu’avec la méthode traditionnelle sur boîte de Petri, sans pour autant avoir de corrélation entre ces deux modes de mesure. Si différentes hypothèses pourraient être testées pour éclaircir ce phénomène, nos résultats remettent en question le test traditionnel sur boîtes.Notre protocole est rapide et simple : nos expériences ont pu être réalisées par une technicienne non spécialisée, le traitement de données est automatisable et une demi-heure de travail suffit à analyser quatre sols (plus avec de prochaines versions de la machine). Les résultats en gouttes sont obtenus sept fois plus vite que ceux sur boîtes de Petri. Cela fait de notre protocole un candidat pour devenir un test fonctionnel utilisé à grande échelle. Soil microbes are useful in agriculture: they help plants to acquire nutrients, degrade waste, protect crops against pathogens, etc. Understanding the interactions between microorganisms, plants and other soil elements could help increase productivity while preserving the environment. From this perspective, one of the challenges in agronomy is to be able to characterize soil microbial communities in a functional manner; that is, to quantify the services they can render to agriculture and society in general. For example, a "good" microbiota from a functional point of view will protect plants from diseases and help them acquire nutrients, degrade harmful pollutants and limit the influx of greenhouse gases. To carry out this characterization, the identification and genetic analysis of microbiotes is not sufficient; technological tools are lacking.We chose to address this problem by exploiting a technology that has not been used in agriculture until now: droplets millifluidics, which consists in manipulating drops of a few hundred nanoliters, separated from each other by an oily phase. In this case, we used the automated microbiological drop culture system from MilliDrop, a startup from our lab. We studied one function: the ability to solubilize soil phosphate, an essential plant nutrient. We adapted the recipe of a culture medium used for more than 70 years: Pikovskaya medium. It contains particles of calcium phosphate and we had to carry out an important physicochemical formulation work to transfer these particles into drops and keep them dispersed. We also added two fluorescent probes to the medium that allowed us to monitor both the pH of our drops and the respiratory activity. Once the experimental protocol was ready, we applied it to a dozen agricultural soils.Thanks to the fluorescence of resazurin, our respiratory activity probe, we estimated the concentration of cultivable cells in our samples. We showed that the same number of microorganisms was obtained in trend with our drop method as with the classical method of counting colonies on Petri dishes.By using an optical block designed for our project, we have been able to conduct optical scattering measurements in drops and evaluate the ability of our microorganisms to lower this signal, which we interpret at least partially as the ability of the microorganisms to solubilize phosphate. Thanks to our pH probe, we were able to show that the fall of the scattering signal was associated with a pH fall below 5.8 (which corresponds to the theoretical pH below which particles dissolve by the sole effect of acidity) in about 90% of the drops. It is possible that among the remaining 10% of the drops there are microorganisms that secrete large quantities of chelating agents, which is of particular agricultural interest. There are systematically more solubilizing microorganisms in the drops than with the traditional Petri dish method, but there is no correlation between these two methods of measurement. While different hypotheses could be tested to clarify this phenomenon, our results call into question the traditional test on plates.Our protocol is quick and simple: our experiments were carried out by a non-specialized technician; data processing can be automated, and half an hour of work is enough to analyze four soils (more with future versions of the machine). The results in drops are obtained seven times faster than those on Petri dishes. This makes our protocol a candidate to become a functional test used on a large scale.
All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=od______9631::f12bb487f40081e68fdcb3281fd073f2&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eu0 citations 0 popularity Average influence Average impulse Average Powered by BIP!more_vert All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=od______9631::f12bb487f40081e68fdcb3281fd073f2&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Other literature type 2020 France, Sweden, United KingdomPublisher:MDPI AG Funded by:WTWTDyna Doum; Hans J. Overgaard; Mayfong Mayxay; Sutas Suttiprapa; Prasert Saichua; Tipaya Ekalaksananan; Panwad Tongchai; Siddikur Rahman; Ubydul Haque; Sysavanh Phommachanh; Tiengkham Pongvongsa; Joacim Rocklöv; Richard Paul; Chamsai Pientong;pmc: PMC7913739 , PMC7731008
Dengue is the most rapidly spreading mosquito-borne viral disease in the world. The detection of clinical cases enables us to measure the incidence of dengue infection, whereas serological surveys give insights into the prevalence of infection. This study aimed to determine dengue seroprevalence and seroconversion rates in northeastern Thailand and southern Laos and to assess any association of mosquito control methods and socioeconomic factors with dengue virus (DENV) infection. Cross-sectional seroprevalence surveys were performed in May and November 2019 on the same individuals. Blood samples were collected from one adult and one child, when possible, in each of 720 randomly selected households from two urban and two rural sites in both northeastern Thailand and southern Laos. IgG antibodies against DENV were detected in serum using a commercial enzyme-linked immunosorbent assay (ELISA) kit. Overall, 1071 individuals participated in the study. The seroprevalence rate was high (91.5%) across all 8 study sites. Only age and province were associated with seroprevalence rates. There were 33 seroconversions during the period from May to November, of which seven reported fever. More than half of the seroconversions occurred in the rural areas and in Laos. Dengue seroconversion was significantly associated with young age (<15 years old), female gender, province, and duration of living in the current residence. No socioeconomic factors or mosquito control methods were found to be associated with seroprevalence or seroconversion. Notably, however, the province with most seroconversions had lower diurnal temperature ranges than elsewhere. In conclusion, our study has highlighted the homogeneity of dengue exposure across a wide range of settings and most notably those from rural and urban areas. Dengue can no longer be considered to be solely an urban disease nor necessarily one linked to poverty. Errata: Doum D, Overgaard HJ, Mayxay M, Suttiprapa S, Saichua P, Ekalaksananan T, Tongchai P, Rahman MS, Haque U, Phommachanh S, Pongvongsa T, Rocklöv J, Paul R, Pientong C. Correction: Doum, D., et al. Dengue Seroprevalence and Seroconversion in Urban and Rural Populations in Northeastern Thailand and Southern Laos. Int. J. Environ. Res. Public Health 2020, 17, 9134. International Journal of Environmental Research and Public Health. 2021; 18(4):1439. DOI: 10.3390/ijerph18041439
International Journa... arrow_drop_down International Journal of Environmental Research and Public HealthOther literature type . Article . 2020 . Peer-reviewedLicense: CC BYFull-Text: http://www.mdpi.com/1660-4601/17/23/9134/pdfInternational Journal of Environmental Research and Public HealthArticle . 2020Full-Text: http://europepmc.org/articles/PMC7731008Data sources: PubMed CentralEurope PubMed CentralArticle . 2021Full-Text: http://europepmc.org/articles/PMC7913739Data sources: PubMed CentralInternational Journal of Environmental Research and Public HealthArticleLicense: CC BYData sources: UnpayWallInternational Journal of Environmental Research and Public HealthArticleLicense: CC BYData sources: UnpayWallInternational Journal of Environmental Research and Public HealthArticle . 2021 . Peer-reviewedLicense: CC BYData sources: CrossrefInternational Journal of Environmental Research and Public HealthArticle . 2021Data sources: DOAJ-ArticlesOxford University Research ArchiveOther literature type . 2021License: CC BYData sources: Oxford University Research ArchiveInternational Journal of Environmental Research and Public HealthArticle . 2020Data sources: DOAJ-ArticlesHAL-Pasteur; Mémoires en Sciences de l'Information et de la CommunicationArticle . 2020License: CC BYFull-Text: https://hal.science/hal-03533005/documentadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.3390/ijerph17239134&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess Routesgold 10 citations 10 popularity Top 10% influence Average impulse Top 10% Powered by BIP!visibility 2visibility views 2 download downloads 3 Powered bymore_vert International Journa... arrow_drop_down International Journal of Environmental Research and Public HealthOther literature type . Article . 2020 . Peer-reviewedLicense: CC BYFull-Text: http://www.mdpi.com/1660-4601/17/23/9134/pdfInternational Journal of Environmental Research and Public HealthArticle . 2020Full-Text: http://europepmc.org/articles/PMC7731008Data sources: PubMed CentralEurope PubMed CentralArticle . 2021Full-Text: http://europepmc.org/articles/PMC7913739Data sources: PubMed CentralInternational Journal of Environmental Research and Public HealthArticleLicense: CC BYData sources: UnpayWallInternational Journal of Environmental Research and Public HealthArticleLicense: CC BYData sources: UnpayWallInternational Journal of Environmental Research and Public HealthArticle . 2021 . Peer-reviewedLicense: CC BYData sources: CrossrefInternational Journal of Environmental Research and Public HealthArticle . 2021Data sources: DOAJ-ArticlesOxford University Research ArchiveOther literature type . 2021License: CC BYData sources: Oxford University Research ArchiveInternational Journal of Environmental Research and Public HealthArticle . 2020Data sources: DOAJ-ArticlesHAL-Pasteur; Mémoires en Sciences de l'Information et de la CommunicationArticle . 2020License: CC BYFull-Text: https://hal.science/hal-03533005/documentadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.3390/ijerph17239134&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Conference object 2020 FrancePublisher:Oxford University Press (OUP) Authors: Laurent Piet; Romain Melot; Soukeyna Diop;Laurent Piet; Romain Melot; Soukeyna Diop;doi: 10.1093/erae/jbaa019
Événement(s) lié(s) : - 165. EAAE seminar “Agricultural Land Markets. Recent Developments, Efficiency and Regulation”; Berlin (DEU) - (2019-04-04 - 2019-04-05); We investigate factors which may drive the number of agents who compete for a specific piece of agricultural land by fitting count data models on data originating from a local committee, the CDOA, which is responsible for agricultural guidance of the prefect in delivering the necessary ‘authorizations to farm’. We notably find that the size of the offered land positively contributes to the competitor number, and that new entrants face less competition. The seemingly counterintuitive result that a locally denser farmer population yields fewer competitors is given a line of potential explanation pertaining to the likely role of farmer unions.
European Review of A... arrow_drop_down European Review of Agricultural EconomicsArticle . 2020 . Peer-reviewedLicense: OUP Standard Publication ReuseData sources: CrossrefHAL - UPEC / UPEM; HAL-Pasteur; HAL-Inserm; Hal-DiderotConference object . 2019Mémoires en Sciences de l'Information et de la CommunicationConference object . 2019Hyper Article en Ligne; Mémoires en Sciences de l'Information et de la Communication; Hyper Article en Ligne - Sciences de l'Homme et de la SociétéOther literature type . Conference object . 2021add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1093/erae/jbaa019&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess Routeshybrid 4 citations 4 popularity Top 10% influence Average impulse Average Powered by BIP!more_vert European Review of A... arrow_drop_down European Review of Agricultural EconomicsArticle . 2020 . Peer-reviewedLicense: OUP Standard Publication ReuseData sources: CrossrefHAL - UPEC / UPEM; HAL-Pasteur; HAL-Inserm; Hal-DiderotConference object . 2019Mémoires en Sciences de l'Information et de la CommunicationConference object . 2019Hyper Article en Ligne; Mémoires en Sciences de l'Information et de la Communication; Hyper Article en Ligne - Sciences de l'Homme et de la SociétéOther literature type . Conference object . 2021add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1093/erae/jbaa019&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Other literature type 2020 FrancePublisher:MDPI AG Anais Pepey; Marc Souris; Amélie Vantaux; Serge Morand; Dysoley Lek; Ivo Mueller; Benoit Witkowski; Vincent Herbreteau;doi: 10.3390/rs12182972
International audience; Malaria control is an evolving public health concern, especially in times of resistance to insecticides and to antimalarial drugs, as well as changing environmental conditions that are influencing its epidemiology. Most literature demonstrates an increased risk of malaria transmission in areas of active deforestation, but knowledge about the link between land cover evolution and malaria risk is still limited in some parts of the world. In this study, we discuss different methods used for analysing the interaction between deforestation and malaria, then highlight the constraints that can arise in areas where data is lacking. For instance, there is a gap in knowledge in Cambodia about components of transmission, notably missing detailed vector ecology or epidemiology data, in addition to incomplete prevalence data over time. Still, we illustrate the situation by investigating the evolution of land cover and the progression of deforestation within a malaria-endemic area of Cambodia. To do so, we investigated the area by processing high-resolution satellite imagery from 2018 (1.5 m in panchromatic mode and 6 m in multispectral mode) and produced a land use/land cover map, to complete and homogenise existing data from 1988 and from 1998 to 2008 (land use/land cover from high-resolution satellite imagery). From these classifications, we calculated different landscapes metrics to quantify evolution of deforestation, forest fragmentation and landscape diversity. Over the 30-year period, we observed that deforestation keeps expanding, as diversity and fragmentation indices globally increase. Based on these results and the available literature, we question the mechanisms that could be influencing the relationship between land cover and malaria incidence and suggest further analyses to help elucidate how deforestation can affect malaria dynamics.
Remote Sensing arrow_drop_down Remote SensingOther literature type . Article . 2020 . Peer-reviewedLicense: CC BYFull-Text: http://www.mdpi.com/2072-4292/12/18/2972/pdfHAL-Pasteur; HAL-Inserm; Mémoires en Sciences de l'Information et de la Communication; HAL AMU; HAL-IRD; Hal-DiderotArticle . 2020License: CC BYFull-Text: https://hal.inrae.fr/hal-02986060/documentadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.3390/rs12182972&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess Routesgold 5 citations 5 popularity Top 10% influence Average impulse Average Powered by BIP!more_vert Remote Sensing arrow_drop_down Remote SensingOther literature type . Article . 2020 . Peer-reviewedLicense: CC BYFull-Text: http://www.mdpi.com/2072-4292/12/18/2972/pdfHAL-Pasteur; HAL-Inserm; Mémoires en Sciences de l'Information et de la Communication; HAL AMU; HAL-IRD; Hal-DiderotArticle . 2020License: CC BYFull-Text: https://hal.inrae.fr/hal-02986060/documentadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.3390/rs12182972&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Other literature type 2020 FrancePublisher:Elsevier BV Funded by:ANR | BIOMANGO, ANR | DELTASANR| BIOMANGO ,ANR| DELTASGuillaume Brunier; Emma Michaud; Jules Fleury; Edward J. Anthony; Sylvain Morvan; Antoine Gardel;International audience; Characterisation of the ecosystem functioning of mudflats requires insight on the morphology and facies of these coastal features, but also on biological processes that influence mudflat geomorphology, such as crab bioturbation and the formation of benthic biofilms, as well as their heterogeneity at cm or less scales. Insight into this fine scale of ecosystem functioning is also important as far as minimizing errors in upscaling are concerned. The realisation of high-resolution ground surveys of these mudflats without perturbing their surface is a real challenge. Here, we address this challenge using UAV-supported photogrammetry based on the Structure-from-Motion (SfM) workflow. We produced a Digital Surface Model (DSM) and an orthophotograph at 1 cm and 0.5 cm pixel resolutions, respectively, of a mudflat in French Guiana, and mapped and classed into different size ranges intricate morphological features, including crab burrow apertures, tidal drainage creeks and depressions. We also determined subtle facies and elevation changes and slopes, and the footprint of different degrees of benthic biofilm development. The results generated at this scale of photogrammetric analysis also enabled us to relate macrofaunal crab burrowing activity to various parameters, including mudflat elevation, spatial distribution and sizes of creeks and depressions, benthic biofilm distribution, and flooding duration. SfM photogrammetry offers interesting new perspectives in fine-scale characterisation of the geomorphology, benthic activity and degree of biofilm development of dynamic muddy intertidal environments that are generally difficult of access. The main shortcomings highlighted in this study are a drift of accuracy of the DSM outside areas of ground control points and the deployment of which perturb the mudflat morphology and biology, the waterlogged or very wet surfaces which generate reconstruction artefacts through the sun glint effect, and the timeconsuming task of manual interpretation of extraction of features such as crab burrow apertures. On-going developments in UAV positioning integrating RTK/PPK GPS solutions for image-georeferencing and precise orientation with high-quality inertial measurement units will limit the difficulties inherent to ground control points, while conduction of surveys during homogeneous cloudy conditions could reduce the sun-glint effect. Manual extraction of image features could be automated in the future through the use of deep-learning algorithms.
ArchiMer - Instituti... arrow_drop_down ArchiMer - Institutional Archive of IfremerOther literature type . 2020Data sources: ArchiMer - Institutional Archive of IfremerRemote Sensing of EnvironmentArticle . 2020 . Peer-reviewedLicense: Elsevier TDMData sources: CrossrefMémoires en Sciences de l'Information et de la Communication; HAL AMU; HAL-IRDArticle . 2020License: CC BY NC NDFull-Text: https://hal.science/hal-03021798/documentadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1016/j.rse.2020.111717&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess Routeshybrid 21 citations 21 popularity Top 10% influence Average impulse Top 10% Powered by BIP!more_vert ArchiMer - Instituti... arrow_drop_down ArchiMer - Institutional Archive of IfremerOther literature type . 2020Data sources: ArchiMer - Institutional Archive of IfremerRemote Sensing of EnvironmentArticle . 2020 . Peer-reviewedLicense: Elsevier TDMData sources: CrossrefMémoires en Sciences de l'Information et de la Communication; HAL AMU; HAL-IRDArticle . 2020License: CC BY NC NDFull-Text: https://hal.science/hal-03021798/documentadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Preprint 2020 France, Spain, Italy, SpainPublisher:EDP Sciences Funded by:EC | MagneticYSOs, EC | ORISTARSEC| MagneticYSOs ,EC| ORISTARSL. Perotto; Nicolas Ponthieu; J. F. Macías-Pérez; R. Adam; Peter A. R. Ade; Pascale Andre; A. Andrianasolo; H. Aussel; A. Beelen; Aurélien Benoit; S. Berta; A. Bideaud; O. Bourrion; Manuel Calvo; A. Catalano; B. Comis; M. De Petris; F.-X. Désert; Simon Doyle; E. F. C. Driessen; Paulo J. V. Garcia; Alicia Gomez; J. Goupy; D. John; Florian Kéruzoré; C. Kramer; Bilal Ladjelate; G. Lagache; S. Leclercq; J.-F. Lestrade; Anaëlle Maury; Philip Daniel Mauskopf; F. Mayet; Alessandro Monfardini; S. Navarro; J. Peñalver; F. Pierfederici; Giampaolo Pisano; V. Revéret; A. Ritacco; C. Romero; H. Roussel; Florian Ruppin; K. F. Schuster; Shibo Shu; Albrecht Sievers; C. Tucker; R. Zylka;handle: 10261/233739 , 20.500.12666/395 , 11573/1417849
Context. NIKA2 is a dual-band millimetre continuum camera of 2 900 kinetic inductance detectors, operating at 150 and 260 GHz, installed at the IRAM 30-m telescope in Spain. Open to the scientific community since October 2017, NIKA2 will provide key observations for the next decade to address a wide range of open questions in astrophysics and cosmology. Aims. Our aim is to present the calibration method and the performance assessment of NIKA2 after one year of observation. Methods. We used a large data set acquired between January 2017 and February 2018 including observations of primary and secondary calibrators and faint sources that span the whole range of observing elevations and atmospheric conditions encountered by the IRAM 30-m telescope. This allowed us to test the stability of the performance parameters against time evolution and observing conditions. We describe a standard calibration method, referred to as the "Baseline" method, to translate raw data into flux density measurements. This includes the determination of the detector positions in the sky, the selection of the detectors, the measurement of the beam pattern, the estimation of the atmospheric opacity, the calibration of absolute flux density scale, the flat fielding, and the photometry. We assessed the robustness of the performance results using the Baseline method against systematic effects by comparing results using alternative methods. Results. We report an instantaneous field of view of 6.5 ' in diameter, filled with an average fraction of 84%, and 90% of valid detectors at 150 and 260 GHz, respectively. The beam pattern is characterised by a FWHM of 17.6 '' +/- 0.1 '' and 11.1 '' +/- 0.2 '', and a main-beam efficiency of 47%+/- 3%, and 64%+/- 3% at 150 and 260 GHz, respectively. The point-source rms calibration uncertainties are about 3% at 150 GHz and 6% at 260 GHz. This demonstrates the accuracy of the methods that we deployed to correct for atmospheric attenuation. The absolute calibration uncertainties are of 5%, and the systematic calibration uncertainties evaluated at the IRAM 30-m reference Winter observing conditions are below 1% in both channels. The noise equivalent flux density at 150 and 260 GHz are of 9 +/- 1 mJy s(1/2) and 30 +/- 3 mJy s(1/2). This state-of-the-art performance confers NIKA2 with mapping speeds of 1388 +/- 174 and 111 +/- 11 arcmin(2) mJy(-2) h(-1) at 150 and 260 GHz. Conclusions. With these unique capabilities of fast dual-band mapping at high (better that 18 '') angular resolution, NIKA2 is providing an unprecedented view of the millimetre Universe. We warmly thank Attila Kovacs for his in-depth reading, constructive inputs and interesting discussions, which have contributed to improve the quality of the paper. We would like to thank the IRAM staff for their support during the numerous campaigns. The NIKA2 dilution cryostat has been designed and built at the Institut Neel. In particular, we acknowledge the crucial contribution of the Cryogenics Group, and in particular Gregory Garde, Henri Rodenas, Jean Paul Leggeri, Philippe Camus. This work has been partially funded by the Foundation Nanoscience Grenoble, the LabEx FOCUS ANR-11-LABX-0013 and the ANR under the contracts "MKIDS", "NIKA" and ANR-15-CE31-0017. This work is supported by the French National Research Agency in the framework of the "Investissements d'avenir" program (ANR-15-IDEX-02). We have benefited from the support of the European Research Council Advanced Grant ORISTARS under the European Union's Seventh Framework Programme (Grant Agreement no. 291294). We acknowledge financial support from the "Programme National de Cosmologie and Galaxies" (PNCG) funded by CNRS/INSU-IN2P3-INP, CEA and CNES, France. We acknowledge funding from the ENIGMASS French LabEx (F.R.), the FOCUS French LabEx doctoral fellowship programme (A.R.) and the CNES doctoral fellowship program (A.R.). R.A. acknowledges support from Spanish Ministerio de Economia and Competitividad (MINECO) through grant number AYA2015-66211-C2-2. M.D.P. acknowledges support from Sapienza Universita' di Roma thanks to Progetti di Ricerca Medi 2017, prot. RM11715C81C4AD67; With funding from the Spanish government through the "María de Maeztu Unit of Excellence" accreditation (MDM-2017-0737). Open Access article, published by EDP Sciences, under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. Peer review
HAL CY Cergy Paris U... arrow_drop_down Recolector de Ciencia Abierta, RECOLECTA; Astronomy and Astrophysics; Archivio della ricerca- Università di Roma La SapienzaOther literature type . Article . 2020 . Peer-reviewedLicense: CC BY NC NDArchivio della ricerca- Università di Roma La SapienzaArticle . 2020Data sources: Archivio della ricerca- Università di Roma La SapienzaRecolector de Ciencia Abierta, RECOLECTA; DIGITAL.CSICArticle . 2021 . 2020Recolector de Ciencia Abierta, RECOLECTAArticle . 2021 . 2020 . Peer-reviewedLicense: CC BY NC NDData sources: Recolector de Ciencia Abierta, RECOLECTAhttps://doi.org/10.48550/arxiv...Article . 2019License: arXiv Non-Exclusive DistributionData sources: Dataciteadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1051/0004-6361/201936220&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess RoutesGreen hybrid 33 citations 33 popularity Top 10% influence Top 10% impulse Top 10% Powered by BIP!visibility 51visibility views 51 download downloads 73 Powered bymore_vert HAL CY Cergy Paris U... arrow_drop_down Recolector de Ciencia Abierta, RECOLECTA; Astronomy and Astrophysics; Archivio della ricerca- Università di Roma La SapienzaOther literature type . Article . 2020 . Peer-reviewedLicense: CC BY NC NDArchivio della ricerca- Università di Roma La SapienzaArticle . 2020Data sources: Archivio della ricerca- Università di Roma La SapienzaRecolector de Ciencia Abierta, RECOLECTA; DIGITAL.CSICArticle . 2021 . 2020Recolector de Ciencia Abierta, RECOLECTAArticle . 2021 . 2020 . Peer-reviewedLicense: CC BY NC NDData sources: Recolector de Ciencia Abierta, RECOLECTAhttps://doi.org/10.48550/arxiv...Article . 2019License: arXiv Non-Exclusive DistributionData sources: Dataciteadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1051/0004-6361/201936220&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Conference object 2020 FrancePublisher:IEEE Funded by:EC | SecureIoTEC| SecureIoTAuthors: Hemmer, Adrien; Badonnel, Remi; Chrisment, Isabelle;Hemmer, Adrien; Badonnel, Remi; Chrisment, Isabelle;International audience; The growing interest for the Internet-of-Things (IoT) is supported by the large-scale deployment of sensors and connected objects. These ones are integrated with other Internet resources in order to elaborate more complex and value-added systems and applications. While important efforts have been done for their protection, security management is a major challenge for these systems, due to their complexity, their heterogeneity and the limited resources of their devices. In this paper we introduce a process mining approach for detecting misbehaviors in such systems. It permits to characterize the behavioral models of IoT-based systems and to detect potential attacks, even in the case of heterogenous protocols and platforms. We then describe and formalize its underlying architecture and components, and detail a proof-of-concept prototype. Finally, we evaluate the performance of this solution through extensive experiments based on real industrial datasets.
https://hal.inria.fr... arrow_drop_down https://doi.org/10.1109/noms47...Other literature type . Conference object . 2020 . Peer-reviewedLicense: IEEE CopyrightHAL - UPEC / UPEM; HAL-Pasteur; HAL-Inserm; Hal-DiderotConference object . 2020Full-Text: https://hal.inria.fr/hal-02402986/documentadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1109/noms47738.2020.9110411&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eu9 citations 9 popularity Top 10% influence Average impulse Top 10% Powered by BIP!more_vert https://hal.inria.fr... arrow_drop_down https://doi.org/10.1109/noms47...Other literature type . Conference object . 2020 . Peer-reviewedLicense: IEEE CopyrightHAL - UPEC / UPEM; HAL-Pasteur; HAL-Inserm; Hal-DiderotConference object . 2020Full-Text: https://hal.inria.fr/hal-02402986/documentadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1109/noms47738.2020.9110411&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Other literature type , Article , Preprint 2020 France, United States, United KingdomPublisher:IOP Publishing Funded by:NSF | Management and Operations..., UKRI | Precision cosmology at hi...NSF| Management and Operations of the National Optical Astronomy Observatory ,UKRI| Precision cosmology at high redshift with the Lyman-alpha forestAuthors: James Farr; Andreu Font-Ribera; Hélion du Mas des Bourboux; Andrea Muñoz-Gutiérrez; +17 AuthorsJames Farr; Andreu Font-Ribera; Hélion du Mas des Bourboux; Andrea Muñoz-Gutiérrez; F. Javier Sánchez; Andrew Pontzen; Alma X. Gonzalez-Morales; David Alonso; David J. Brooks; Peter Doel; Thomas Etourneau; Julien Guy; Jean-Marc Le Goff; Axel de la Macorra; Nathalie Palanque-Delabrouille; Ignasi Pérez-Ràfols; J. Rich; Anže Slosar; Gregory Tarlé; Duan Yutong; Kai Zhang;The statistical power of Lyman-${\alpha}$ forest Baryon Acoustic Oscillation (BAO) measurements is set to increase significantly in the coming years as new instruments such as the Dark Energy Spectroscopic Instrument deliver progressively more constraining data. Generating mock datasets for such measurements will be important for validating analysis pipelines and evaluating the effects of systematics. With such studies in mind, we present LyaCoLoRe: a package for producing synthetic Lyman-${\alpha}$ forest survey datasets for BAO analyses. LyaCoLoRe transforms initial Gaussian random field skewers into skewers of transmitted flux fraction via a number of fast approximations. In this work we explain the methods of producing mock datasets used in LyaCoLoRe, and then measure correlation functions on a suite of realisations of such data. We demonstrate that we are able to recover the correct BAO signal, as well as large-scale bias parameters similar to literature values. Finally, we briefly describe methods to add further astrophysical effects to our skewers - high column density systems and metal absorbers - which act as potential complications for BAO analyses. Comment: 29 pages, 7 figures
Oxford University Re... arrow_drop_down Oxford University Research ArchiveOther literature type . 2021Data sources: Oxford University Research ArchiveeScholarship - University of CaliforniaArticle . 2020Data sources: eScholarship - University of CaliforniaJournal of Cosmology and Astroparticle PhysicsArticle . 2020 . Peer-reviewedLicense: IOP Copyright PoliciesData sources: CrossrefHAL - UPEC / UPEM; HAL-Pasteur; HAL-Inserm; Hal-DiderotArticle . Preprint . 2020https://doi.org/10.48550/arxiv...Article . 2019License: arXiv Non-Exclusive DistributionData sources: Dataciteadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1088/1475-7516/2020/03/068&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess RoutesGreen bronze 22 citations 22 popularity Top 10% influence Average impulse Top 10% Powered by BIP!more_vert Oxford University Re... arrow_drop_down Oxford University Research ArchiveOther literature type . 2021Data sources: Oxford University Research ArchiveeScholarship - University of CaliforniaArticle . 2020Data sources: eScholarship - University of CaliforniaJournal of Cosmology and Astroparticle PhysicsArticle . 2020 . Peer-reviewedLicense: IOP Copyright PoliciesData sources: CrossrefHAL - UPEC / UPEM; HAL-Pasteur; HAL-Inserm; Hal-DiderotArticle . Preprint . 2020https://doi.org/10.48550/arxiv...Article . 2019License: arXiv Non-Exclusive DistributionData sources: Dataciteadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1088/1475-7516/2020/03/068&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Other literature type 2020 France, BelgiumPublisher:Elsevier BV Joske Ruytinx; Arjun Kafle; Muhammad Usman; Laura Coninx; Sabine Zimmermann; Kevin Garcia;Mycorrhizas are mutually beneficial associations between soil-borne fungi and plant roots. Mycorrhizal fungi provide their host plant with essential nutrients in exchange for sugars and/or lipids. Traditionally, transport and translocation of macronutrients, including nitrogen and phosphorus, throughout the fungal mycelium and towards the host plant are well studied. However, the regulation of nutrient exchange and their contribution in the morphogenesis and development of mycorrhizas remains unclear. In this Opinion, we argue that adding micronutrients in the current models of symbiotic transport is essential to fully understand the establishment, maintenance, and functioning of mycorrhizal associations. Homeostatic mechanisms at the cellular level and the first transport proteins involved have been recently documented for zinc (Zn) in arbuscular mycorrhizal, ectomycorrhizal, and ericoid mycorrhizal fungi. Mycorrhizal plants benefit from an improved Zn status in control conditions and are better protected when environmental Zn availability fluctuates. These recent progresses are paving the way for a better understanding of micronutrient allocation in mycorrhizas. Revising our vision on the role of micronutrients, particularly of Zn, in these interactions will allow a better use of mycorrhizal fungi in sustainable agriculture and forestry, and will increase management practices in waste land, as well as in agricultural and natural ecosystems.
Fungal Biology Revie... arrow_drop_down Vrije Universiteit Brussel Research PortalOther literature type . 2020Data sources: Vrije Universiteit Brussel Research PortalMémoires en Sciences de l'Information et de la CommunicationArticle . 2020Full-Text: https://hal.science/hal-02394154/documentHAL - UPEC / UPEM; HAL-Pasteur; HAL-Inserm; Hal-DiderotArticle . 2020 . 2019add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1016/j.fbr.2019.09.001&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess Routesbronze 26 citations 26 popularity Top 10% influence Average impulse Top 10% Powered by BIP!more_vert Fungal Biology Revie... arrow_drop_down Vrije Universiteit Brussel Research PortalOther literature type . 2020Data sources: Vrije Universiteit Brussel Research PortalMémoires en Sciences de l'Information et de la CommunicationArticle . 2020Full-Text: https://hal.science/hal-02394154/documentHAL - UPEC / UPEM; HAL-Pasteur; HAL-Inserm; Hal-DiderotArticle . 2020 . 2019add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
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description Publicationkeyboard_double_arrow_right Article 2021 Sweden, FrancePublisher:MDPI AG Md. Siddikur Rahman; Tipaya Ekalaksananan; Sumaira Zafar; Petchaboon Poolphol; Oleg V. Shipin; Ubydul Haque; Richard Paul; Joacim Rocklöv; Chamsai Pientong; Hans J. Overgaard;Aedes aegypti is the main vector of dengue globally. The variables that influence the abundance of dengue vectors are numerous and complex. This has generated a need to focus on areas at risk of disease transmission, the spatial-temporal distribution of vectors, and the factors that modulate vector abundance. To help guide and improve vector-control efforts, this study identified the ecological, social, and other environmental risk factors that affect the abundance of adult female and immature Ae. aegypti in households in urban and rural areas of northeastern Thailand. A one-year entomological study was conducted in four villages of northeastern Thailand between January and December, 2019. Socio-demographic and climate data were collected. Household crowding index (HCI), premise condition index (PCI), socio-economic status (SES), and entomological indices (HI, CI, BI, and PI) were calculated. Negative binomial generalized linear models (GLMs) were fitted to identify the risk factors associated with the abundance of adult females and immature Ae. aegypti. Urban sites had higher entomological indices and numbers of adult Ae. aegypti mosquitoes than rural sites. Overall, participants’ KAP about climate change and dengue were low in both settings. The fitted GLM showed that a higher abundance of adult female Ae. aegypti was significantly (p < 0.05) associated with many factors, such as a low education level of household respondents, crowded households, poor premise conditions, surrounding house density, bathrooms located indoors, unscreened windows, high numbers of wet containers, a lack of adult control, prior dengue infections, poor climate change adaptation, dengue, and vector-related practices. Many of the above were also significantly associated with a high abundance of immature mosquito stages. The GLM model also showed that maximum and mean temperature with four-and one-to-two weeks of lag were significant predictors (p < 0.05) of the abundance of adult and immature mosquitoes, respectively, in northeastern Thailand. The low KAP regarding climate change and dengue highlights the engagement needs for vector-borne disease prevention in this region. The identified risk factors are important for the critical first step toward developing routine Aedes surveillance and reliable early warning systems for effective dengue and other mosquito-borne disease prevention and control strategies at the household and community levels in this region and similar settings elsewhere. knowledge, attitudes, and practices (KAP) regarding climate change and dengue self-reported prior dengue infections characteristics of water containers durable asset ownership housing conditions water management
International Journa... arrow_drop_down International Journal of Environmental Research and Public HealthArticle . 2021Full-Text: http://europepmc.org/articles/PMC8199701Data sources: PubMed CentralInternational Journal of Environmental Research and Public HealthOther literature type . Article . 2021 . Peer-reviewedLicense: CC BYFull-Text: http://www.mdpi.com/1660-4601/18/11/5971/pdfInternational Journal of Environmental Research and Public HealthArticleLicense: CC BYData sources: UnpayWallInternational Journal of Environmental Research and Public HealthArticle . 2021Data sources: Europe PubMed CentralInternational Journal of Environmental Research and Public HealthArticle . 2021Data sources: DOAJ-Articlesadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.euAccess Routesgold 22 citations 22 popularity Top 10% influence Average impulse Top 10% Powered by BIP!more_vert International Journa... arrow_drop_down International Journal of Environmental Research and Public HealthArticle . 2021Full-Text: http://europepmc.org/articles/PMC8199701Data sources: PubMed CentralInternational Journal of Environmental Research and Public HealthOther literature type . Article . 2021 . Peer-reviewedLicense: CC BYFull-Text: http://www.mdpi.com/1660-4601/18/11/5971/pdfInternational Journal of Environmental Research and Public HealthArticleLicense: CC BYData sources: UnpayWallInternational Journal of Environmental Research and Public HealthArticle . 2021Data sources: Europe PubMed CentralInternational Journal of Environmental Research and Public HealthArticle . 2021Data sources: DOAJ-Articlesadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Doctoral thesis , Other literature type 2021 France FrenchPublisher:HAL CCSD Authors: GOLDSTEIN, Arthur;GOLDSTEIN, Arthur;Les microbes des sols sont utiles à l’agriculture : ils aident les plantes à acquérir des nutriments, dégradent les déchets, protègent les plantations contre les pathogènes… Comprendre les interactions entre les microorganismes, les plantes et les autres éléments du sol pourrait permettre de gagner en productivité tout en préservant l’environnement. Dans cet optique, un des enjeux en agronomie est d’être capable de caractériser les communautés microbiennes des sols de manière fonctionnelle ; c’est-à-dire de quantifier les services qu’elles peuvent rendre à l’agriculture et à la société de manière générale. Par exemple, un « bon » microbiote d’un point de vue fonctionnel protégera les plantes des maladies et les aidera à acquérir des nutriments, il dégradera les éventuels polluants néfastes et limitera les efflux de gaz à effet de serre. Pour mener cette caractérisation, l’identification et l’analyse génétique des microbiotes ne suffisent pas ; des outils technologiques manquent.Nous avons choisi de nous occuper de ce problème en exploitant une technologie qui n’avait pas été employée jusqu’ici en agriculture : la millifluidique de gouttes, qui consiste à manipuler des gouttes de quelques centaines de nanolitres, séparées les unes des autres par une phase huileuse. En l’occurrence, nous avons utilisé l’automate de culture microbiologique en gouttes de la startup MilliDrop. Nous avons étudié une fonction : la capacité à solubiliser le phosphate du sol, un nutriment essentiel aux plantes. Nous avons adapté la recette d’un milieu de culture utilisé depuis plus de 70 ans : le milieu Pikovskaya. Il contient des particules de phosphate de calcium et nous avons dû mener un travail de formulation physico-chimique important pour transférer ces particules en gouttes et les y maintenir dispersées. Nous avons par ailleurs ajouté au milieu deux sondes fluorescentes qui nous ont permis de suivre à la fois le pH de nos gouttes et l’activité respiratoire. Ce protocole expérimental prêt, nous l’avons appliqué à une douzaine de sols agricoles.Grâce à la fluorescence de la résazurine, notre sonde d’activité respiratoire, nous avons estimé la concentration en cellules cultivables dans nos échantillons. Nous avons montré que l’on obtenait en tendance le même nombre de microorganismes avec notre méthode en gouttes qu’avec la méthode classique de dénombrement de colonies sur boîtes de Petri.En exploitant un bloc optique conçu pour notre projet, nous avons pu mener des mesures de néphélométrie (scattering) en gouttes et évaluer la capacité de nos microorganismes à faire baisser ce signal, ce que nous interprétons au moins partiellement comme la capacité des microorganismes à solubiliser le phosphate. Grâce à notre sonde pH, nous avons pu montrer que la baisse du signal de scattering était associée à une chute du pH sous 5,8 (qui correspond au pH théorique en-dessous duquel les particules se dissolvent par seul effet de l’acidité) dans environ 90% des gouttes. Il est possible que parmi les 10% des gouttes restantes, on trouve des microorganismes qui sécrètent de grandes quantités de chélatants, ce qui représente un intérêt agricole particulier. On trouve systématiquement plus de microorganismes solubilisateurs en gouttes qu’avec la méthode traditionnelle sur boîte de Petri, sans pour autant avoir de corrélation entre ces deux modes de mesure. Si différentes hypothèses pourraient être testées pour éclaircir ce phénomène, nos résultats remettent en question le test traditionnel sur boîtes.Notre protocole est rapide et simple : nos expériences ont pu être réalisées par une technicienne non spécialisée, le traitement de données est automatisable et une demi-heure de travail suffit à analyser quatre sols (plus avec de prochaines versions de la machine). Les résultats en gouttes sont obtenus sept fois plus vite que ceux sur boîtes de Petri. Cela fait de notre protocole un candidat pour devenir un test fonctionnel utilisé à grande échelle. Soil microbes are useful in agriculture: they help plants to acquire nutrients, degrade waste, protect crops against pathogens, etc. Understanding the interactions between microorganisms, plants and other soil elements could help increase productivity while preserving the environment. From this perspective, one of the challenges in agronomy is to be able to characterize soil microbial communities in a functional manner; that is, to quantify the services they can render to agriculture and society in general. For example, a "good" microbiota from a functional point of view will protect plants from diseases and help them acquire nutrients, degrade harmful pollutants and limit the influx of greenhouse gases. To carry out this characterization, the identification and genetic analysis of microbiotes is not sufficient; technological tools are lacking.We chose to address this problem by exploiting a technology that has not been used in agriculture until now: droplets millifluidics, which consists in manipulating drops of a few hundred nanoliters, separated from each other by an oily phase. In this case, we used the automated microbiological drop culture system from MilliDrop, a startup from our lab. We studied one function: the ability to solubilize soil phosphate, an essential plant nutrient. We adapted the recipe of a culture medium used for more than 70 years: Pikovskaya medium. It contains particles of calcium phosphate and we had to carry out an important physicochemical formulation work to transfer these particles into drops and keep them dispersed. We also added two fluorescent probes to the medium that allowed us to monitor both the pH of our drops and the respiratory activity. Once the experimental protocol was ready, we applied it to a dozen agricultural soils.Thanks to the fluorescence of resazurin, our respiratory activity probe, we estimated the concentration of cultivable cells in our samples. We showed that the same number of microorganisms was obtained in trend with our drop method as with the classical method of counting colonies on Petri dishes.By using an optical block designed for our project, we have been able to conduct optical scattering measurements in drops and evaluate the ability of our microorganisms to lower this signal, which we interpret at least partially as the ability of the microorganisms to solubilize phosphate. Thanks to our pH probe, we were able to show that the fall of the scattering signal was associated with a pH fall below 5.8 (which corresponds to the theoretical pH below which particles dissolve by the sole effect of acidity) in about 90% of the drops. It is possible that among the remaining 10% of the drops there are microorganisms that secrete large quantities of chelating agents, which is of particular agricultural interest. There are systematically more solubilizing microorganisms in the drops than with the traditional Petri dish method, but there is no correlation between these two methods of measurement. While different hypotheses could be tested to clarify this phenomenon, our results call into question the traditional test on plates.Our protocol is quick and simple: our experiments were carried out by a non-specialized technician; data processing can be automated, and half an hour of work is enough to analyze four soils (more with future versions of the machine). The results in drops are obtained seven times faster than those on Petri dishes. This makes our protocol a candidate to become a functional test used on a large scale.
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For further information contact us at helpdesk@openaire.eu0 citations 0 popularity Average influence Average impulse Average Powered by BIP!more_vert All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=od______9631::f12bb487f40081e68fdcb3281fd073f2&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Other literature type 2020 France, Sweden, United KingdomPublisher:MDPI AG Funded by:WTWTDyna Doum; Hans J. Overgaard; Mayfong Mayxay; Sutas Suttiprapa; Prasert Saichua; Tipaya Ekalaksananan; Panwad Tongchai; Siddikur Rahman; Ubydul Haque; Sysavanh Phommachanh; Tiengkham Pongvongsa; Joacim Rocklöv; Richard Paul; Chamsai Pientong;pmc: PMC7913739 , PMC7731008
Dengue is the most rapidly spreading mosquito-borne viral disease in the world. The detection of clinical cases enables us to measure the incidence of dengue infection, whereas serological surveys give insights into the prevalence of infection. This study aimed to determine dengue seroprevalence and seroconversion rates in northeastern Thailand and southern Laos and to assess any association of mosquito control methods and socioeconomic factors with dengue virus (DENV) infection. Cross-sectional seroprevalence surveys were performed in May and November 2019 on the same individuals. Blood samples were collected from one adult and one child, when possible, in each of 720 randomly selected households from two urban and two rural sites in both northeastern Thailand and southern Laos. IgG antibodies against DENV were detected in serum using a commercial enzyme-linked immunosorbent assay (ELISA) kit. Overall, 1071 individuals participated in the study. The seroprevalence rate was high (91.5%) across all 8 study sites. Only age and province were associated with seroprevalence rates. There were 33 seroconversions during the period from May to November, of which seven reported fever. More than half of the seroconversions occurred in the rural areas and in Laos. Dengue seroconversion was significantly associated with young age (<15 years old), female gender, province, and duration of living in the current residence. No socioeconomic factors or mosquito control methods were found to be associated with seroprevalence or seroconversion. Notably, however, the province with most seroconversions had lower diurnal temperature ranges than elsewhere. In conclusion, our study has highlighted the homogeneity of dengue exposure across a wide range of settings and most notably those from rural and urban areas. Dengue can no longer be considered to be solely an urban disease nor necessarily one linked to poverty. Errata: Doum D, Overgaard HJ, Mayxay M, Suttiprapa S, Saichua P, Ekalaksananan T, Tongchai P, Rahman MS, Haque U, Phommachanh S, Pongvongsa T, Rocklöv J, Paul R, Pientong C. Correction: Doum, D., et al. Dengue Seroprevalence and Seroconversion in Urban and Rural Populations in Northeastern Thailand and Southern Laos. Int. J. Environ. Res. Public Health 2020, 17, 9134. International Journal of Environmental Research and Public Health. 2021; 18(4):1439. DOI: 10.3390/ijerph18041439
International Journa... arrow_drop_down International Journal of Environmental Research and Public HealthOther literature type . Article . 2020 . Peer-reviewedLicense: CC BYFull-Text: http://www.mdpi.com/1660-4601/17/23/9134/pdfInternational Journal of Environmental Research and Public HealthArticle . 2020Full-Text: http://europepmc.org/articles/PMC7731008Data sources: PubMed CentralEurope PubMed CentralArticle . 2021Full-Text: http://europepmc.org/articles/PMC7913739Data sources: PubMed CentralInternational Journal of Environmental Research and Public HealthArticleLicense: CC BYData sources: UnpayWallInternational Journal of Environmental Research and Public HealthArticleLicense: CC BYData sources: UnpayWallInternational Journal of Environmental Research and Public HealthArticle . 2021 . Peer-reviewedLicense: CC BYData sources: CrossrefInternational Journal of Environmental Research and Public HealthArticle . 2021Data sources: DOAJ-ArticlesOxford University Research ArchiveOther literature type . 2021License: CC BYData sources: Oxford University Research ArchiveInternational Journal of Environmental Research and Public HealthArticle . 2020Data sources: DOAJ-ArticlesHAL-Pasteur; Mémoires en Sciences de l'Information et de la CommunicationArticle . 2020License: CC BYFull-Text: https://hal.science/hal-03533005/documentadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.3390/ijerph17239134&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess Routesgold 10 citations 10 popularity Top 10% influence Average impulse Top 10% Powered by BIP!visibility 2visibility views 2 download downloads 3 Powered bymore_vert International Journa... arrow_drop_down International Journal of Environmental Research and Public HealthOther literature type . Article . 2020 . Peer-reviewedLicense: CC BYFull-Text: http://www.mdpi.com/1660-4601/17/23/9134/pdfInternational Journal of Environmental Research and Public HealthArticle . 2020Full-Text: http://europepmc.org/articles/PMC7731008Data sources: PubMed CentralEurope PubMed CentralArticle . 2021Full-Text: http://europepmc.org/articles/PMC7913739Data sources: PubMed CentralInternational Journal of Environmental Research and Public HealthArticleLicense: CC BYData sources: UnpayWallInternational Journal of Environmental Research and Public HealthArticleLicense: CC BYData sources: UnpayWallInternational Journal of Environmental Research and Public HealthArticle . 2021 . Peer-reviewedLicense: CC BYData sources: CrossrefInternational Journal of Environmental Research and Public HealthArticle . 2021Data sources: DOAJ-ArticlesOxford University Research ArchiveOther literature type . 2021License: CC BYData sources: Oxford University Research ArchiveInternational Journal of Environmental Research and Public HealthArticle . 2020Data sources: DOAJ-ArticlesHAL-Pasteur; Mémoires en Sciences de l'Information et de la CommunicationArticle . 2020License: CC BYFull-Text: https://hal.science/hal-03533005/documentadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Conference object 2020 FrancePublisher:Oxford University Press (OUP) Authors: Laurent Piet; Romain Melot; Soukeyna Diop;Laurent Piet; Romain Melot; Soukeyna Diop;doi: 10.1093/erae/jbaa019
Événement(s) lié(s) : - 165. EAAE seminar “Agricultural Land Markets. Recent Developments, Efficiency and Regulation”; Berlin (DEU) - (2019-04-04 - 2019-04-05); We investigate factors which may drive the number of agents who compete for a specific piece of agricultural land by fitting count data models on data originating from a local committee, the CDOA, which is responsible for agricultural guidance of the prefect in delivering the necessary ‘authorizations to farm’. We notably find that the size of the offered land positively contributes to the competitor number, and that new entrants face less competition. The seemingly counterintuitive result that a locally denser farmer population yields fewer competitors is given a line of potential explanation pertaining to the likely role of farmer unions.
European Review of A... arrow_drop_down European Review of Agricultural EconomicsArticle . 2020 . Peer-reviewedLicense: OUP Standard Publication ReuseData sources: CrossrefHAL - UPEC / UPEM; HAL-Pasteur; HAL-Inserm; Hal-DiderotConference object . 2019Mémoires en Sciences de l'Information et de la CommunicationConference object . 2019Hyper Article en Ligne; Mémoires en Sciences de l'Information et de la Communication; Hyper Article en Ligne - Sciences de l'Homme et de la SociétéOther literature type . Conference object . 2021add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1093/erae/jbaa019&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess Routeshybrid 4 citations 4 popularity Top 10% influence Average impulse Average Powered by BIP!more_vert European Review of A... arrow_drop_down European Review of Agricultural EconomicsArticle . 2020 . Peer-reviewedLicense: OUP Standard Publication ReuseData sources: CrossrefHAL - UPEC / UPEM; HAL-Pasteur; HAL-Inserm; Hal-DiderotConference object . 2019Mémoires en Sciences de l'Information et de la CommunicationConference object . 2019Hyper Article en Ligne; Mémoires en Sciences de l'Information et de la Communication; Hyper Article en Ligne - Sciences de l'Homme et de la SociétéOther literature type . Conference object . 2021add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1093/erae/jbaa019&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Other literature type 2020 FrancePublisher:MDPI AG Anais Pepey; Marc Souris; Amélie Vantaux; Serge Morand; Dysoley Lek; Ivo Mueller; Benoit Witkowski; Vincent Herbreteau;doi: 10.3390/rs12182972
International audience; Malaria control is an evolving public health concern, especially in times of resistance to insecticides and to antimalarial drugs, as well as changing environmental conditions that are influencing its epidemiology. Most literature demonstrates an increased risk of malaria transmission in areas of active deforestation, but knowledge about the link between land cover evolution and malaria risk is still limited in some parts of the world. In this study, we discuss different methods used for analysing the interaction between deforestation and malaria, then highlight the constraints that can arise in areas where data is lacking. For instance, there is a gap in knowledge in Cambodia about components of transmission, notably missing detailed vector ecology or epidemiology data, in addition to incomplete prevalence data over time. Still, we illustrate the situation by investigating the evolution of land cover and the progression of deforestation within a malaria-endemic area of Cambodia. To do so, we investigated the area by processing high-resolution satellite imagery from 2018 (1.5 m in panchromatic mode and 6 m in multispectral mode) and produced a land use/land cover map, to complete and homogenise existing data from 1988 and from 1998 to 2008 (land use/land cover from high-resolution satellite imagery). From these classifications, we calculated different landscapes metrics to quantify evolution of deforestation, forest fragmentation and landscape diversity. Over the 30-year period, we observed that deforestation keeps expanding, as diversity and fragmentation indices globally increase. Based on these results and the available literature, we question the mechanisms that could be influencing the relationship between land cover and malaria incidence and suggest further analyses to help elucidate how deforestation can affect malaria dynamics.
Remote Sensing arrow_drop_down Remote SensingOther literature type . Article . 2020 . Peer-reviewedLicense: CC BYFull-Text: http://www.mdpi.com/2072-4292/12/18/2972/pdfHAL-Pasteur; HAL-Inserm; Mémoires en Sciences de l'Information et de la Communication; HAL AMU; HAL-IRD; Hal-DiderotArticle . 2020License: CC BYFull-Text: https://hal.inrae.fr/hal-02986060/documentadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.3390/rs12182972&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess Routesgold 5 citations 5 popularity Top 10% influence Average impulse Average Powered by BIP!more_vert Remote Sensing arrow_drop_down Remote SensingOther literature type . Article . 2020 . Peer-reviewedLicense: CC BYFull-Text: http://www.mdpi.com/2072-4292/12/18/2972/pdfHAL-Pasteur; HAL-Inserm; Mémoires en Sciences de l'Information et de la Communication; HAL AMU; HAL-IRD; Hal-DiderotArticle . 2020License: CC BYFull-Text: https://hal.inrae.fr/hal-02986060/documentadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.3390/rs12182972&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Other literature type 2020 FrancePublisher:Elsevier BV Funded by:ANR | BIOMANGO, ANR | DELTASANR| BIOMANGO ,ANR| DELTASGuillaume Brunier; Emma Michaud; Jules Fleury; Edward J. Anthony; Sylvain Morvan; Antoine Gardel;International audience; Characterisation of the ecosystem functioning of mudflats requires insight on the morphology and facies of these coastal features, but also on biological processes that influence mudflat geomorphology, such as crab bioturbation and the formation of benthic biofilms, as well as their heterogeneity at cm or less scales. Insight into this fine scale of ecosystem functioning is also important as far as minimizing errors in upscaling are concerned. The realisation of high-resolution ground surveys of these mudflats without perturbing their surface is a real challenge. Here, we address this challenge using UAV-supported photogrammetry based on the Structure-from-Motion (SfM) workflow. We produced a Digital Surface Model (DSM) and an orthophotograph at 1 cm and 0.5 cm pixel resolutions, respectively, of a mudflat in French Guiana, and mapped and classed into different size ranges intricate morphological features, including crab burrow apertures, tidal drainage creeks and depressions. We also determined subtle facies and elevation changes and slopes, and the footprint of different degrees of benthic biofilm development. The results generated at this scale of photogrammetric analysis also enabled us to relate macrofaunal crab burrowing activity to various parameters, including mudflat elevation, spatial distribution and sizes of creeks and depressions, benthic biofilm distribution, and flooding duration. SfM photogrammetry offers interesting new perspectives in fine-scale characterisation of the geomorphology, benthic activity and degree of biofilm development of dynamic muddy intertidal environments that are generally difficult of access. The main shortcomings highlighted in this study are a drift of accuracy of the DSM outside areas of ground control points and the deployment of which perturb the mudflat morphology and biology, the waterlogged or very wet surfaces which generate reconstruction artefacts through the sun glint effect, and the timeconsuming task of manual interpretation of extraction of features such as crab burrow apertures. On-going developments in UAV positioning integrating RTK/PPK GPS solutions for image-georeferencing and precise orientation with high-quality inertial measurement units will limit the difficulties inherent to ground control points, while conduction of surveys during homogeneous cloudy conditions could reduce the sun-glint effect. Manual extraction of image features could be automated in the future through the use of deep-learning algorithms.
ArchiMer - Instituti... arrow_drop_down ArchiMer - Institutional Archive of IfremerOther literature type . 2020Data sources: ArchiMer - Institutional Archive of IfremerRemote Sensing of EnvironmentArticle . 2020 . Peer-reviewedLicense: Elsevier TDMData sources: CrossrefMémoires en Sciences de l'Information et de la Communication; HAL AMU; HAL-IRDArticle . 2020License: CC BY NC NDFull-Text: https://hal.science/hal-03021798/documentadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1016/j.rse.2020.111717&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess Routeshybrid 21 citations 21 popularity Top 10% influence Average impulse Top 10% Powered by BIP!more_vert ArchiMer - Instituti... arrow_drop_down ArchiMer - Institutional Archive of IfremerOther literature type . 2020Data sources: ArchiMer - Institutional Archive of IfremerRemote Sensing of EnvironmentArticle . 2020 . Peer-reviewedLicense: Elsevier TDMData sources: CrossrefMémoires en Sciences de l'Information et de la Communication; HAL AMU; HAL-IRDArticle . 2020License: CC BY NC NDFull-Text: https://hal.science/hal-03021798/documentadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1016/j.rse.2020.111717&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Preprint 2020 France, Spain, Italy, SpainPublisher:EDP Sciences Funded by:EC | MagneticYSOs, EC | ORISTARSEC| MagneticYSOs ,EC| ORISTARSL. Perotto; Nicolas Ponthieu; J. F. Macías-Pérez; R. Adam; Peter A. R. Ade; Pascale Andre; A. Andrianasolo; H. Aussel; A. Beelen; Aurélien Benoit; S. Berta; A. Bideaud; O. Bourrion; Manuel Calvo; A. Catalano; B. Comis; M. De Petris; F.-X. Désert; Simon Doyle; E. F. C. Driessen; Paulo J. V. Garcia; Alicia Gomez; J. Goupy; D. John; Florian Kéruzoré; C. Kramer; Bilal Ladjelate; G. Lagache; S. Leclercq; J.-F. Lestrade; Anaëlle Maury; Philip Daniel Mauskopf; F. Mayet; Alessandro Monfardini; S. Navarro; J. Peñalver; F. Pierfederici; Giampaolo Pisano; V. Revéret; A. Ritacco; C. Romero; H. Roussel; Florian Ruppin; K. F. Schuster; Shibo Shu; Albrecht Sievers; C. Tucker; R. Zylka;handle: 10261/233739 , 20.500.12666/395 , 11573/1417849
Context. NIKA2 is a dual-band millimetre continuum camera of 2 900 kinetic inductance detectors, operating at 150 and 260 GHz, installed at the IRAM 30-m telescope in Spain. Open to the scientific community since October 2017, NIKA2 will provide key observations for the next decade to address a wide range of open questions in astrophysics and cosmology. Aims. Our aim is to present the calibration method and the performance assessment of NIKA2 after one year of observation. Methods. We used a large data set acquired between January 2017 and February 2018 including observations of primary and secondary calibrators and faint sources that span the whole range of observing elevations and atmospheric conditions encountered by the IRAM 30-m telescope. This allowed us to test the stability of the performance parameters against time evolution and observing conditions. We describe a standard calibration method, referred to as the "Baseline" method, to translate raw data into flux density measurements. This includes the determination of the detector positions in the sky, the selection of the detectors, the measurement of the beam pattern, the estimation of the atmospheric opacity, the calibration of absolute flux density scale, the flat fielding, and the photometry. We assessed the robustness of the performance results using the Baseline method against systematic effects by comparing results using alternative methods. Results. We report an instantaneous field of view of 6.5 ' in diameter, filled with an average fraction of 84%, and 90% of valid detectors at 150 and 260 GHz, respectively. The beam pattern is characterised by a FWHM of 17.6 '' +/- 0.1 '' and 11.1 '' +/- 0.2 '', and a main-beam efficiency of 47%+/- 3%, and 64%+/- 3% at 150 and 260 GHz, respectively. The point-source rms calibration uncertainties are about 3% at 150 GHz and 6% at 260 GHz. This demonstrates the accuracy of the methods that we deployed to correct for atmospheric attenuation. The absolute calibration uncertainties are of 5%, and the systematic calibration uncertainties evaluated at the IRAM 30-m reference Winter observing conditions are below 1% in both channels. The noise equivalent flux density at 150 and 260 GHz are of 9 +/- 1 mJy s(1/2) and 30 +/- 3 mJy s(1/2). This state-of-the-art performance confers NIKA2 with mapping speeds of 1388 +/- 174 and 111 +/- 11 arcmin(2) mJy(-2) h(-1) at 150 and 260 GHz. Conclusions. With these unique capabilities of fast dual-band mapping at high (better that 18 '') angular resolution, NIKA2 is providing an unprecedented view of the millimetre Universe. We warmly thank Attila Kovacs for his in-depth reading, constructive inputs and interesting discussions, which have contributed to improve the quality of the paper. We would like to thank the IRAM staff for their support during the numerous campaigns. The NIKA2 dilution cryostat has been designed and built at the Institut Neel. In particular, we acknowledge the crucial contribution of the Cryogenics Group, and in particular Gregory Garde, Henri Rodenas, Jean Paul Leggeri, Philippe Camus. This work has been partially funded by the Foundation Nanoscience Grenoble, the LabEx FOCUS ANR-11-LABX-0013 and the ANR under the contracts "MKIDS", "NIKA" and ANR-15-CE31-0017. This work is supported by the French National Research Agency in the framework of the "Investissements d'avenir" program (ANR-15-IDEX-02). We have benefited from the support of the European Research Council Advanced Grant ORISTARS under the European Union's Seventh Framework Programme (Grant Agreement no. 291294). We acknowledge financial support from the "Programme National de Cosmologie and Galaxies" (PNCG) funded by CNRS/INSU-IN2P3-INP, CEA and CNES, France. We acknowledge funding from the ENIGMASS French LabEx (F.R.), the FOCUS French LabEx doctoral fellowship programme (A.R.) and the CNES doctoral fellowship program (A.R.). R.A. acknowledges support from Spanish Ministerio de Economia and Competitividad (MINECO) through grant number AYA2015-66211-C2-2. M.D.P. acknowledges support from Sapienza Universita' di Roma thanks to Progetti di Ricerca Medi 2017, prot. RM11715C81C4AD67; With funding from the Spanish government through the "María de Maeztu Unit of Excellence" accreditation (MDM-2017-0737). Open Access article, published by EDP Sciences, under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. Peer review
HAL CY Cergy Paris U... arrow_drop_down Recolector de Ciencia Abierta, RECOLECTA; Astronomy and Astrophysics; Archivio della ricerca- Università di Roma La SapienzaOther literature type . Article . 2020 . Peer-reviewedLicense: CC BY NC NDArchivio della ricerca- Università di Roma La SapienzaArticle . 2020Data sources: Archivio della ricerca- Università di Roma La SapienzaRecolector de Ciencia Abierta, RECOLECTA; DIGITAL.CSICArticle . 2021 . 2020Recolector de Ciencia Abierta, RECOLECTAArticle . 2021 . 2020 . Peer-reviewedLicense: CC BY NC NDData sources: Recolector de Ciencia Abierta, RECOLECTAhttps://doi.org/10.48550/arxiv...Article . 2019License: arXiv Non-Exclusive DistributionData sources: Dataciteadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.euAccess RoutesGreen hybrid 33 citations 33 popularity Top 10% influence Top 10% impulse Top 10% Powered by BIP!visibility 51visibility views 51 download downloads 73 Powered bymore_vert HAL CY Cergy Paris U... arrow_drop_down Recolector de Ciencia Abierta, RECOLECTA; Astronomy and Astrophysics; Archivio della ricerca- Università di Roma La SapienzaOther literature type . Article . 2020 . Peer-reviewedLicense: CC BY NC NDArchivio della ricerca- Università di Roma La SapienzaArticle . 2020Data sources: Archivio della ricerca- Università di Roma La SapienzaRecolector de Ciencia Abierta, RECOLECTA; DIGITAL.CSICArticle . 2021 . 2020Recolector de Ciencia Abierta, RECOLECTAArticle . 2021 . 2020 . Peer-reviewedLicense: CC BY NC NDData sources: Recolector de Ciencia Abierta, RECOLECTAhttps://doi.org/10.48550/arxiv...Article . 2019License: arXiv Non-Exclusive DistributionData sources: Dataciteadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Conference object 2020 FrancePublisher:IEEE Funded by:EC | SecureIoTEC| SecureIoTAuthors: Hemmer, Adrien; Badonnel, Remi; Chrisment, Isabelle;Hemmer, Adrien; Badonnel, Remi; Chrisment, Isabelle;International audience; The growing interest for the Internet-of-Things (IoT) is supported by the large-scale deployment of sensors and connected objects. These ones are integrated with other Internet resources in order to elaborate more complex and value-added systems and applications. While important efforts have been done for their protection, security management is a major challenge for these systems, due to their complexity, their heterogeneity and the limited resources of their devices. In this paper we introduce a process mining approach for detecting misbehaviors in such systems. It permits to characterize the behavioral models of IoT-based systems and to detect potential attacks, even in the case of heterogenous protocols and platforms. We then describe and formalize its underlying architecture and components, and detail a proof-of-concept prototype. Finally, we evaluate the performance of this solution through extensive experiments based on real industrial datasets.
https://hal.inria.fr... arrow_drop_down https://doi.org/10.1109/noms47...Other literature type . Conference object . 2020 . Peer-reviewedLicense: IEEE CopyrightHAL - UPEC / UPEM; HAL-Pasteur; HAL-Inserm; Hal-DiderotConference object . 2020Full-Text: https://hal.inria.fr/hal-02402986/documentadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.eu9 citations 9 popularity Top 10% influence Average impulse Top 10% Powered by BIP!more_vert https://hal.inria.fr... arrow_drop_down https://doi.org/10.1109/noms47...Other literature type . Conference object . 2020 . Peer-reviewedLicense: IEEE CopyrightHAL - UPEC / UPEM; HAL-Pasteur; HAL-Inserm; Hal-DiderotConference object . 2020Full-Text: https://hal.inria.fr/hal-02402986/documentadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1109/noms47738.2020.9110411&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Other literature type , Article , Preprint 2020 France, United States, United KingdomPublisher:IOP Publishing Funded by:NSF | Management and Operations..., UKRI | Precision cosmology at hi...NSF| Management and Operations of the National Optical Astronomy Observatory ,UKRI| Precision cosmology at high redshift with the Lyman-alpha forestAuthors: James Farr; Andreu Font-Ribera; Hélion du Mas des Bourboux; Andrea Muñoz-Gutiérrez; +17 AuthorsJames Farr; Andreu Font-Ribera; Hélion du Mas des Bourboux; Andrea Muñoz-Gutiérrez; F. Javier Sánchez; Andrew Pontzen; Alma X. Gonzalez-Morales; David Alonso; David J. Brooks; Peter Doel; Thomas Etourneau; Julien Guy; Jean-Marc Le Goff; Axel de la Macorra; Nathalie Palanque-Delabrouille; Ignasi Pérez-Ràfols; J. Rich; Anže Slosar; Gregory Tarlé; Duan Yutong; Kai Zhang;The statistical power of Lyman-${\alpha}$ forest Baryon Acoustic Oscillation (BAO) measurements is set to increase significantly in the coming years as new instruments such as the Dark Energy Spectroscopic Instrument deliver progressively more constraining data. Generating mock datasets for such measurements will be important for validating analysis pipelines and evaluating the effects of systematics. With such studies in mind, we present LyaCoLoRe: a package for producing synthetic Lyman-${\alpha}$ forest survey datasets for BAO analyses. LyaCoLoRe transforms initial Gaussian random field skewers into skewers of transmitted flux fraction via a number of fast approximations. In this work we explain the methods of producing mock datasets used in LyaCoLoRe, and then measure correlation functions on a suite of realisations of such data. We demonstrate that we are able to recover the correct BAO signal, as well as large-scale bias parameters similar to literature values. Finally, we briefly describe methods to add further astrophysical effects to our skewers - high column density systems and metal absorbers - which act as potential complications for BAO analyses. Comment: 29 pages, 7 figures
Oxford University Re... arrow_drop_down Oxford University Research ArchiveOther literature type . 2021Data sources: Oxford University Research ArchiveeScholarship - University of CaliforniaArticle . 2020Data sources: eScholarship - University of CaliforniaJournal of Cosmology and Astroparticle PhysicsArticle . 2020 . Peer-reviewedLicense: IOP Copyright PoliciesData sources: CrossrefHAL - UPEC / UPEM; HAL-Pasteur; HAL-Inserm; Hal-DiderotArticle . Preprint . 2020https://doi.org/10.48550/arxiv...Article . 2019License: arXiv Non-Exclusive DistributionData sources: Dataciteadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1088/1475-7516/2020/03/068&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess RoutesGreen bronze 22 citations 22 popularity Top 10% influence Average impulse Top 10% Powered by BIP!more_vert Oxford University Re... arrow_drop_down Oxford University Research ArchiveOther literature type . 2021Data sources: Oxford University Research ArchiveeScholarship - University of CaliforniaArticle . 2020Data sources: eScholarship - University of CaliforniaJournal of Cosmology and Astroparticle PhysicsArticle . 2020 . Peer-reviewedLicense: IOP Copyright PoliciesData sources: CrossrefHAL - UPEC / UPEM; HAL-Pasteur; HAL-Inserm; Hal-DiderotArticle . Preprint . 2020https://doi.org/10.48550/arxiv...Article . 2019License: arXiv Non-Exclusive DistributionData sources: Dataciteadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1088/1475-7516/2020/03/068&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Other literature type 2020 France, BelgiumPublisher:Elsevier BV Joske Ruytinx; Arjun Kafle; Muhammad Usman; Laura Coninx; Sabine Zimmermann; Kevin Garcia;Mycorrhizas are mutually beneficial associations between soil-borne fungi and plant roots. Mycorrhizal fungi provide their host plant with essential nutrients in exchange for sugars and/or lipids. Traditionally, transport and translocation of macronutrients, including nitrogen and phosphorus, throughout the fungal mycelium and towards the host plant are well studied. However, the regulation of nutrient exchange and their contribution in the morphogenesis and development of mycorrhizas remains unclear. In this Opinion, we argue that adding micronutrients in the current models of symbiotic transport is essential to fully understand the establishment, maintenance, and functioning of mycorrhizal associations. Homeostatic mechanisms at the cellular level and the first transport proteins involved have been recently documented for zinc (Zn) in arbuscular mycorrhizal, ectomycorrhizal, and ericoid mycorrhizal fungi. Mycorrhizal plants benefit from an improved Zn status in control conditions and are better protected when environmental Zn availability fluctuates. These recent progresses are paving the way for a better understanding of micronutrient allocation in mycorrhizas. Revising our vision on the role of micronutrients, particularly of Zn, in these interactions will allow a better use of mycorrhizal fungi in sustainable agriculture and forestry, and will increase management practices in waste land, as well as in agricultural and natural ecosystems.
Fungal Biology Revie... arrow_drop_down Vrije Universiteit Brussel Research PortalOther literature type . 2020Data sources: Vrije Universiteit Brussel Research PortalMémoires en Sciences de l'Information et de la CommunicationArticle . 2020Full-Text: https://hal.science/hal-02394154/documentHAL - UPEC / UPEM; HAL-Pasteur; HAL-Inserm; Hal-DiderotArticle . 2020 . 2019add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.euAccess Routesbronze 26 citations 26 popularity Top 10% influence Average impulse Top 10% Powered by BIP!more_vert Fungal Biology Revie... arrow_drop_down Vrije Universiteit Brussel Research PortalOther literature type . 2020Data sources: Vrije Universiteit Brussel Research PortalMémoires en Sciences de l'Information et de la CommunicationArticle . 2020Full-Text: https://hal.science/hal-02394154/documentHAL - UPEC / UPEM; HAL-Pasteur; HAL-Inserm; Hal-DiderotArticle . 2020 . 2019add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
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