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description Publicationkeyboard_double_arrow_right Article , Other literature type 2018 France, Netherlands, Netherlands, NetherlandsPublisher:Wiley Decaëns, Thibaud; Martins, Marlúcia B.; Feijoo, Alexander; Oszwald, Johan; Dolédec, Sylvain; Mathieu, Jérôme; Arnaud de Sartre, Xavier; Bonilla, Diego; Brown, George G.; Cuellar Criollo, Yeimmy Andrea; Dubs, Florence; Furtado, Ivaneide S.; Gond, Valérie; Gordillo, Erika; Le Clec'h, Solen; Marichal, Raphaël; Mitja, Danielle; de Souza, Izildinha Miranda; Praxedes, Catarina; Rougerie, Rodolphe; Ruiz, Darío H.; Otero, Joel Tupac; Sanabria, Catalina; Velasquez, Alex; Zararte, Luz Elena M.; Lavelle, Patrick;doi: 10.1111/cobi.13206
pmid: 30113727
AbstractAssessing how much management of agricultural landscapes, in addition to protected areas, can offset biodiversity erosion in the tropics is a central issue for conservation that still requires cross‐taxonomic and landscape‐scale studies. We measured the effects of Amazonia deforestation and subsequent land‐use intensification in 6 agricultural areas (landscape scale), where we sampled plants and 4 animal groups (birds, earthworms, fruit flies, and moths). We assessed land‐use intensification with a synthetic index based on landscape metrics (total area and relative percentages of land uses, edge density, mean patch density and diversity, and fractal structures at 5 dates from 1990 to 2007). Species richness decreased consistently as agricultural intensification increased despite slight differences in the responses of sampled groups. Globally, in moderately deforested landscapes species richness was relatively stable, and there was a clear threshold in biodiversity loss midway along the intensification gradient, mainly linked to a drop in forest cover and quality. Our results suggest anthropogenic landscapes with high‐quality forest covering >40 % of the surface area may prevent biodiversity loss in Amazonia.
Conservation Biology... arrow_drop_down add 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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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=10.1111/cobi.13206&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess Routesbronze 49 citations 49 popularity Top 1% influence Top 10% impulse Top 10% Powered by BIP!visibility 15visibility views 15 Powered bymore_vert Conservation Biology... arrow_drop_down add 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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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=10.1111/cobi.13206&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Other literature type 2017 FrancePublisher:American Meteorological Society Hossain, Faisal; Srinivasan, Margaret; Peterson, Craig; Andral, Alice; Beighley, Ed; Anderson, Eric; Amini, Rashied; Birkett, Charon; David, David; Blain, Cheryl Ann; Cherchali, Selma; David, Cédric; Doorn, Bradley; Fu, Jorge; Fu, Lee-Lueng; Frans, Chris; Fulton, John; Gangopadhay, Subhrendu; Ghosh, Subimal; Gleason, Colin; Gosset, Marielle; Hausman, Jessica; Jacobs, Gregg; Jones, John; Kaheil, Yasir; Laignel, Benoît,; Le Moigne, Patrick; Li, Li; Lefèvre, Fabien; Mason, Robert; Mehta, Amita; Mukherjee, Abhijit; Nguy-Robertson, Anthony; Ricci, Sophie; Paris, Adrien; Pavelsky, Tamlin; Picot, Nicolas; Schumann, Guy; Shrestha, Sudhir; Le Traon, Pierre-Yves; Trehubenko, Eric;Scheduled for launch in 2021, the Surface Water and Ocean Topography (SWOT) mission will be a truly unique mission that will provide high-temporal-frequency maps of surface water extents and elevation variations of global water bodies (lakes/reservoirs, rivers, estuaries, oceans, and sea ice) at higher spatial resolution than is available with current technologies (Biancamaria et al. 2016; Alsdorf et al. 2007). The primary instrument on SWOT is based on a Ka-band radar interferometer (KaRIN), which uses radar interferometery technology. The satellite will fly two radar antennas at either end of a 10-m (33 ft) mast, allowing it to measure the elevation of the surface along a 120-km (75 mi)-wide swath below. The availability of high-frequency and high-resolution maps of elevations and extents for surface water bodies and oceans will present unique opportunities to address numerous societally relevant challenges around the globe (Srinivasan et al. 2015). These opportunities may include such diverse and far-ranging applications as fisheries management, flood inundation mapping/risk mitigation/forecasting, wildlife conservation, global data assimilation for improving forecast of ocean tides and weather, reservoir management, climate change impacts and adaptation, and river discharge estimation, among others.
Horizon / Pleins tex... arrow_drop_down Bulletin of the American Meteorological SocietyArticle . 2017 . Peer-reviewedData sources: Crossrefadd 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 Routesbronze 8 citations 8 popularity Top 10% influence Average impulse Average Powered by BIP!more_vert Horizon / Pleins tex... arrow_drop_down Bulletin of the American Meteorological SocietyArticle . 2017 . Peer-reviewedData sources: Crossrefadd 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.eudescription Publicationkeyboard_double_arrow_right Article , Other literature type 2016 Netherlands, France, Netherlands, NetherlandsPublisher:Elsevier BV Clec'h, Solen Le; Oszwald, Johan; Decaens, Thibaud; Desjardins, Thierry; Dufour, Simon; Grimaldi, Michel; Jegou, Nicolas; Lavelle, Patrick;Quantifying and mapping ecosystem services (ES), their indicators and their relationships is of crucial importance for environmental management. In this article, we analyze the spatial distribution of multiple-ES indicators at three locations on the pioneer fronts of the Brazilian Amazon. We identify trade-offs and synergies between six ES indicators for soil, vegetation and biodiversity characterization. We also propose spatial representations of multiple-ES indicators (vegetation carbon stocks, rates of water infiltration into soil, soil chemical quality, soil carbon stocks, biodiversity and richness in Sphingidae). Finally, we discuss three different methods to map them depending on the goals of the maps, arguing that maps lean on objective-oriented approaches. The study is based on remote sensing and sampling data from 135 sampling points. We created multiple-ES indicators maps based on Principal Component Analysis (PCA), a score of ES richness, and discrimination of land cover units. PCA is an appropriate tool for showing high correlations between indicators, nevertheless has notable limitations for visual communication. The scoring method may help mapping ES hotspots, however it fails to consider relationships among them. The land-cover-based method has the advantage of being simple and easy to interpret, still it may not consider important indicators not related to land-cover changes. We discuss the interests and limitations of these different ways to map multiple-ES indicators, regarding the final goals of the maps.
Research@WUR; Ecolog... arrow_drop_down Research@WUR; Ecological IndicatorsOther literature type . Article . 2016 . Peer-reviewedLicense: Elsevier TDMHAL - UPEC / UPEM; HAL-Pasteur; HAL-Inserm; Hal-DiderotArticle . 2016add 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 Routesgold 44 citations 44 popularity Top 10% influence Top 10% impulse Top 10% Powered by BIP!more_vert Research@WUR; Ecolog... arrow_drop_down Research@WUR; Ecological IndicatorsOther literature type . Article . 2016 . Peer-reviewedLicense: Elsevier TDMHAL - UPEC / UPEM; HAL-Pasteur; HAL-Inserm; Hal-DiderotArticle . 2016add 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 , Other literature type 2016 FrancePublisher:Elsevier BV Catalina Sanabria; Florence Dubs; Patrick Lavelle; Steven J. Fonte; Sébastien Barot;International audience; Ants and termites, as soil engineers, provide many ecosystem services that can be important for the sustainability of agriculture. The aim of this study was to evaluate the impact of land use on ant and termite communities in Colombian savanna landscapes, and to assess whether this impact is associated with the modification of soil physical and chemical properties. Ants and termites were sampled in five different agricultural and semi-natural systems across three regions of the 3 eastern Colombian Llanos: 1) annual crops (maize, soy and rice), 2) rubber plantations, 3) oil palm plantations, 4) improved pastures and 5) semi-natural savannas. A total of 91 ant and 16 termite species were collected. Multivariate analysis revealed that termite communities significantly differed among land uses, but not between regions. Ant communities differed between regions and land uses. Based on between group analyses of termite communities, three groups of land use can be distinguished: one formed by semi-natural savannas and improved pastures, the second by oil palm plantations and annual crops and the third by rubber plantations. General linear models applied separately to each species found 19 significant associations of soil physical or chemical properties, land uses or regions with 15 ant species and 14 significant associations with 6 termite species. Taken together, there is a strong association between land use and ant or termite communities and this influence is likely due to changes in ant and termite habitats resulting from agricultural practices such as tillage, fertilization, and lime addition. These results suggest that annual crops are the most detrimental land use for termites and ants, because their communities are highly sensitive to vegetation cover and agricultural practices such as tillage. Maintaining a high diversity of soil engineers and the ecosystem services they provide likely depends on the maintenance of natural ecosystems in the landscape and the adoption of practices that reduce impacts on soil ecosystem engineers when native ecosystems have been transformed into agricultural systems.
European Journal of ... arrow_drop_down European Journal of Soil BiologyArticle . 2016 . Peer-reviewedLicense: Elsevier TDMData sources: Crossrefadd 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 15 citations 15 popularity Top 10% influence Average impulse Average Powered by BIP!more_vert European Journal of ... arrow_drop_down European Journal of Soil BiologyArticle . 2016 . Peer-reviewedLicense: Elsevier TDMData sources: Crossrefadd 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 , Other literature type 2016 Netherlands, Spain, Netherlands, France, United Kingdom, NetherlandsPublisher:Wiley Funded by:NSF | PBI: Solanum: A Worldwide...NSF| PBI: Solanum: A Worldwide TreatmentAuthors: Syfert, Mindy M.; Castañeda-Álvarez, Nora P.; Khoury, Colin K.; Särkinen, Tiina; +6 AuthorsSyfert, Mindy M.; Castañeda-Álvarez, Nora P.; Khoury, Colin K.; Särkinen, Tiina; Sosa, Chrystian C.; Achicanoy, Harold A.; Bernau, Vivian; Prohens, Jaime; Daunay, Marie Christine; Knapp, Sandra;[EN] Crop wild relatives (CWR) provide important traits for plant breeding, including pest, pathogen, and abiotic stress resistance. Therefore, their conservation and future availability are essential for food security. Despite this need, the world's genebanks are currently thought to conserve only a small fraction of the total diversity of CWR. METHODS: We define the eggplant genepool using the results of recent taxonomic and phylogenetic studies. We identify the gaps in germplasm accessions for eggplant (Solanum melongena L.) CWR by comparing georeferenced herbarium records and germplasm accessions using a gap analysis methodology implementing species distribution models (SDM). Preliminary conservation assessments using IUCN criteria were done for all species and were combined with the gap analysis to pinpoint where under-collected and threatened CWR species coincide with high human disturbance and occur outside of protected areas. KEY RESULTS: We show that many eggplant CWR are poorly represented in genebanks compared to their native ranges. Priority areas for future collecting are concentrated in Africa, especially along the Kenya-Tanzania border. Fourteen species of eggplant CWR are assessed as threatened or near-threatened; these are also concentrated in eastern Africa. CONCLUSIONS: The knowledge base upon which conservation of wild relative germplasm depends must take into account both taxonomic and phylogenetic advances. Beyond traditional research focus on close relatives of crops, we emphasize the benefits of defining a broad CWR genepool, and the importance of assessing threats to wild species when targeting localities for future collection of CWR to improve crop breeding in the face of environmental change. The authors thank the managers curating Solanaceae in both herbaria and genebanks for contributing data for these analyses. Helpful comments by two anonymous reviewers greatly improved the manuscript. This work was undertaken as part of "Adapting Agriculture to Climate Change: Conserving, Protecting and Preparing Crop Wild Relatives" (http://www.cwrdiversity.org/) supported by the Government of Norway and the Natural History Museum's Natural Resources Initiative. Taxonomic and systematic work on Solanum and eggplant CWR was supported by National Science Foundation (NSF) grant DEB-0316614 'PBI Solanum - a world treatment' to SK. MMS was funded by the Crop and Pest Wild Relatives project as part of the NHM Natural Resources Initiative.
NARCIS; Research@WUR arrow_drop_down Recolector de Ciencia Abierta, RECOLECTA; American Journal of BotanyArticle . 2016 . Peer-reviewedLicense: Wiley Online Library User AgreementHAL - UPEC / UPEM; HAL-Pasteur; HAL-Inserm; Hal-DiderotArticle . 2016Mémoires en Sciences de l'Information et de la CommunicationArticle . 2016Full-Text: https://hal.science/hal-01315233/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.euAccess RoutesGreen bronze 64 citations 64 popularity Top 10% influence Top 10% impulse Top 10% Powered by BIP!visibility 218visibility views 218 download downloads 366 Powered bymore_vert NARCIS; Research@WUR arrow_drop_down Recolector de Ciencia Abierta, RECOLECTA; American Journal of BotanyArticle . 2016 . Peer-reviewedLicense: Wiley Online Library User AgreementHAL - UPEC / UPEM; HAL-Pasteur; HAL-Inserm; Hal-DiderotArticle . 2016Mémoires en Sciences de l'Information et de la CommunicationArticle . 2016Full-Text: https://hal.science/hal-01315233/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 2015 Germany, Netherlands, Netherlands, Netherlands, Netherlands, United Kingdom, United Kingdom, France, BrazilPublisher:American Association for the Advancement of Science (AAAS) Funded by:ANR | CEBA, NSF | Understanding the Spatial..., NSF | Doctoral Dissertation Res... +3 projectsANR| CEBA ,NSF| Understanding the Spatial Patterns of Diversity of Montane Forests in Northern Bolivia ,NSF| Doctoral Dissertation Research: Multi-Scale Tree Diversity Conservation Implementation in the Western Amazon Based on Remote Sensing and Tree Inventory Data ,NSF| Botanical Inventory of the Madidi Region, Bolivia ,NSF| Collaborative Research: Ectomycorrhizal fungal diversity of the central Guiana Shield ,EC| GEM-TRAITHans ter Steege; Nigel C. A. Pitman; Timothy J. Killeen; William F. Laurance; Carlos A. Peres; Juan Ernesto Guevara; Rafael de Paiva Salomão; Carolina V. Castilho; Iêda Leão do Amaral; Francisca Dionízia de Almeida Matos; Luiz de Souza Coelho; William E. Magnusson; Oliver L. Phillips; Diogenes de Andrade Lima Filho; Marcelo de Jesus Veiga Carim; Mariana Victória Irume; Maria Pires Martins; Jean-François Molino; Daniel Sabatier; Florian Wittmann; Dairon Cárdenas López; José Renan da Silva Guimarães; Abel Monteagudo Mendoza; Percy Núñez Vargas; Angelo Gilberto Manzatto; Neidiane Farias Costa Reis; John Terborgh; Katia Regina Casula; Juan Carlos Montero; Ted R. Feldpausch; Eurídice N. Honorio Coronado; Álvaro Javier Duque Montoya; Charles E. Zartman; Bonifacio Mostacedo; Rodolfo Vasquez; Rafael L. Assis; Marcelo Brilhante de Medeiros; Marcelo F. Simon; Ana Andrade; José Luís Camargo; Susan G. Laurance; Henrique E. M. Nascimento; Beatriz Schwantes Marimon; Ben-Hur Marimon; Flávia R. C. Costa; Natalia Targhetta; Ima Célia Guimarães Vieira; Roel J. W. Brienen; Hernán Castellanos; Joost F. Duivenvoorden; Hugo Mogollón; Maria Teresa Fernandez Piedade; A C Gerardo Aymard; James A. Comiskey; Gabriel Damasco; Nállarett Dávila; Roosevelt García-Villacorta; Pablo Roberto Stevenson Diaz; Alberto Vincentini; Thaise Emilio; Carolina Levis; Juliana Schietti; Priscila Souza; Alfonso Alonso; Francisco Dallmeier; Leandro Valle Ferreira; David A. Neill; Alejandro Araujo-Murakami; Luzmila Arroyo; Fernanda Carvalho; Fernanda Coelho de Souza; Dário Dantas do Amaral; Rogério Gribel; Bruno Garcia Luize; M. P. Pansonato; Eduardo Martins Venticinque; Paul V. A. Fine; Marisol Toledo; Christopher Baraloto; Carlos Cerón; Julien Engel; Terry W. Henkel; E. M. Jimenez; Paul J. M. Maas; Maria Cristina Peñuela Mora; Pascal Petronelli; Juan David Cardenas Revilla; Marcos Silveira; Juliana Stropp; Raquel Thomas-Caesar; Timothy R. Baker; Doug Daly; Marcos Ríos Paredes; Naara Ferreira da Silva; Alfredo F. Fuentes; Peter M. Jørgensen; Jochen Schöngart; Miles R. Silman; Nicolás Castaño Arboleda; Bruno Barçante Ladvocat Cintra; Fernando Cornejo Valverde; Anthony Di Fiore; Juan Fernando Phillips; Tinde van Andel; Patricio von Hildebrand; Edelcilio Marques Barbosa; Luiz Carlos de Matos Bonates; Deborah de Castro; Emanuelle de Sousa Farias; Therany Gonzales; Jean-Louis Guillaumet; Bruce Hoffman; Yadvinder Malhi; Ires Paula de Andrade Miranda; Adriana Prieto; Agustín Rudas; Ademir R. Ruschell; Natalino Silva; César I.A. Vela; Vincent A. Vos; Egleé L. Zent; Stanford Zent; Ángela Cano; Marcelo Trindade Nascimento; Alexandre Adalardo de Oliveira; Hirma Ramírez-Angulo; José Ferreira Ramos; Rodrigo Sierra; Milton Tirado; Maria Natalia Umaña Medina; Geertje M. F. van der Heijden; Emilio Vilanova Torre; Corine Vriesendorp; Ophelia Wang; Kenneth R. Young; Cláudia Baider; Henrik Balslev; Natalia de Castro; William Farfan-Rios; Cid Ferreira; Casimiro Mendoza; Italo Mesones; Armando Torres-Lezama; Ligia Estela Urrego Giraldo; Daniel Villarroel; Roderick Zagt; Miguel Alexiades; Karina Garcia-Cabrera; Lionel Hernández; Isau Huamantupa-Chuquimaco; William Milliken; Walter Palacios Cuenca; Susamar Pansini; Daniela Pauletto; Freddy Ramirez Arevalo; Adeilza Felipe Sampaio; Elvis H. Valderrama Sandoval; Luis Valenzuela Gamarra;Estimates of extinction risk for Amazonian plant and animal species are rare and not often incorporated into land-use policy and conservation planning. We overlay spatial distribution models with historical and projected deforestation to show that at least 36% and up to 57% of all Amazonian tree species are likely to qualify as globally threatened under International Union for Conservation of Nature (IUCN) Red List criteria. If confirmed, these results would increase the number of threatened plant species on Earth by 22%. We show that the trends observed in Amazonia apply to trees throughout the tropics, and we predict that most of the world’s >40,000 tropical tree species now qualify as globally threatened. A gap analysis suggests that existing Amazonian protected areas and indigenous territories will protect viable populations of most threatened species if these areas suffer no further degradation, highlighting the key roles that protected areas, indigenous peoples, and improved governance can play in preventing large-scale extinctions in the tropics in this century. Analyses of forest loss and protected areas suggest that 36 to 57% of Amazonian tree flora may qualify as “globally threatened.”
University of East A... arrow_drop_down University of East Anglia digital repositoryArticle . 2015 . Peer-reviewedData sources: University of East Anglia digital repositoryEurope PubMed CentralArticle . 2015Full-Text: http://europepmc.org/articles/PMC4681336Data sources: PubMed CentralNARCISArticle . 2015Full-Text: https://pure.uva.nl/ws/files/2708537/171134_Estimating_the_global_conservation_status.pdfData sources: NARCISScience AdvancesArticle . 2015Research@WUR; Oxford University Research Archive; Repositório Institucional da EMBRAPA (Repository Open Access to Scientific Information from EMBRAPA - Alice) - Empresa Brasileira de Pesquisa Agropecuária (Embrapa); Science Advances; LAReferencia - Red Federada de Repositorios Institucionales de Publicaciones Científicas Latinoamericanas; PURE Aarhus UniversityOther literature type . Article . 2015 . 2016 . Peer-reviewedLicense: CC BY NC NDRecolector de Ciencia Abierta, RECOLECTAArticle . 2015Data sources: Recolector de Ciencia Abierta, RECOLECTAHAL - UPEC / UPEM; HAL-Pasteur; HAL-Inserm; Mémoires en Sciences de l'Information et de la Communication; HAL-IRD; Hal-DiderotArticle . 2015License: CC BY NCadd 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 gold 134 citations 134 popularity Top 1% influence Top 10% impulse Top 1% Powered by BIP!visibility 14visibility views 14 download downloads 163 Powered bymore_vert University of East A... arrow_drop_down University of East Anglia digital repositoryArticle . 2015 . Peer-reviewedData sources: University of East Anglia digital repositoryEurope PubMed CentralArticle . 2015Full-Text: http://europepmc.org/articles/PMC4681336Data sources: PubMed CentralNARCISArticle . 2015Full-Text: https://pure.uva.nl/ws/files/2708537/171134_Estimating_the_global_conservation_status.pdfData sources: NARCISScience AdvancesArticle . 2015Research@WUR; Oxford University Research Archive; Repositório Institucional da EMBRAPA (Repository Open Access to Scientific Information from EMBRAPA - Alice) - Empresa Brasileira de Pesquisa Agropecuária (Embrapa); Science Advances; LAReferencia - Red Federada de Repositorios Institucionales de Publicaciones Científicas Latinoamericanas; PURE Aarhus UniversityOther literature type . Article . 2015 . 2016 . Peer-reviewedLicense: CC BY NC NDRecolector de Ciencia Abierta, RECOLECTAArticle . 2015Data sources: Recolector de Ciencia Abierta, RECOLECTAHAL - UPEC / UPEM; HAL-Pasteur; HAL-Inserm; Mémoires en Sciences de l'Information et de la Communication; HAL-IRD; Hal-DiderotArticle . 2015License: CC BY NCadd 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 Other literature type , Article 2014 FrancePublisher:Wiley Jean-François Bastin; Nicolas Barbier; Pierre Couteron; Benoît Adams; Aurélie Shapiro; Jan Bogaert; Charles De Cannière;doi: 10.1890/13-1574.1
pmid: 29185667
In the context of the reduction of greenhouse gas emissions caused by deforestation and forest degradation (the REDD+ program), optical very high resolution (VHR) satellite images provide an opportunity to characterize forest canopy structure and to quantify aboveground biomass (AGB) at less expense than methods based on airborne remote sensing data. Among the methods for processing these VHR images, Fourier textural ordination (FOTO) presents a good method to detect forest canopy structural heterogeneity and therefore to predict AGB variations. Notably, the method does not saturate at intermediate AGB values as do pixelwise processing of available space borne optical and radar signals. However, a regional‐scale application requires overcoming two difficulties: (1) instrumental effects due to variations in sun–scene–sensor geometry or sensor‐specific responses that preclude the use of wide arrays of images acquired under heterogeneous conditions and (2) forest structural diversity including monodominant or open canopy forests, which are of particular importance in Central Africa. In this study, we demonstrate the feasibility of a rigorous regional study of canopy texture by harmonizing FOTO indices of images acquired from two different sensors (Geoeye‐1 and QuickBird‐2) and different sun–scene–sensor geometries and by calibrating a piecewise biomass inversion model using 26 inventory plots (1 ha) sampled across very heterogeneous forest types. A good agreement was found between observed and predicted AGB (residual standard error [RSE] = 15%; R2 = 0.85; P < 0.001) across a wide range of AGB levels from 26 Mg/ha to 460 Mg/ha, and was confirmed by cross validation. A high‐resolution biomass map (100‐m pixels) was produced for a 400‐km2 area, and predictions obtained from both imagery sources were consistent with each other (r = 0.86; slope = 1.03; intercept = 12.01 Mg/ha). These results highlight the horizontal structure of forest canopy as a powerful descriptor of the entire forest stand structure and heterogeneity. In particular, we show that quantitative metrics resulting from such textural analysis offer new opportunities to characterize the spatial and temporal variation of the structure of dense forests and may complement the toolbox used by tropical forest ecologists, managers or REDD+ national monitoring, reporting and verification bodies.
Horizon / Pleins tex... arrow_drop_down Ecological ApplicationsArticle . 2014 . Peer-reviewedLicense: Wiley Online Library User AgreementData sources: Crossrefadd 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 Routesbronze 72 citations 72 popularity Top 10% influence Top 10% impulse Top 10% Powered by BIP!more_vert Horizon / Pleins tex... arrow_drop_down Ecological ApplicationsArticle . 2014 . Peer-reviewedLicense: Wiley Online Library User AgreementData sources: Crossrefadd 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.eudescription Publicationkeyboard_double_arrow_right Article 2014 Netherlands, Netherlands, France, Netherlands, United Kingdom, BrazilPublisher:Wiley Funded by:EC | GEM-TRAIT, EC | T-FORCES, ANR | TULIP +8 projectsEC| GEM-TRAIT ,EC| T-FORCES ,ANR| TULIP ,UKRI| Using satellite data to monitor REDD+ projects: developing methodologies and error estimation for Africa ,UKRI| Tropical Biomes in Transition ,EC| GEOCARBON ,EC| AMAZALERT ,ANR| CEBA ,UKRI| Amazon Integrated Carbon Analysis / AMAZONICA ,ARC| The causes and effects of mortality in tropical Australian trees ,UKRI| Climate change and the Amazon: assessing the impact of climate on tree growth using tree ring widths and isotopesAuthors: Mitchard, Edward T. A.; Feldpausch, Ted R.; Brienen, Roel J. W.; Lopez-Gonzalez, Gabriela; +85 AuthorsMitchard, Edward T. A.; Feldpausch, Ted R.; Brienen, Roel J. W.; Lopez-Gonzalez, Gabriela; Monteagudo, Abel; Baker, Timothy R.; Lewis, Simon L.; Lloyd, Jon; Quesada, Carlos A.; Gloor, Manuel; ter Steege, Hans; Meir, Patrick; Alvarez, Esteban; Araujo-Murakami, Alejandro; Aragao, Luiz E. O. C.; Arroyo, Luzmila; Aymard, Gerardo; Banki, Olaf; Bonal, Damien; Brown, Sandra; Brown, Foster I.; Ceron, Carlos E.; Chama Moscoso, Victor; Chave, Jerome; Comiskey, James A.; Cornejo, Fernando; Corrales Medina, Massiel; Da Costa, Lola; Costa, Flavia R. C.; Di Fiore, Anthony; Domingues, Tomas F.; Erwin, Terry L.; Frederickson, Todd; Higuchi, Niro; Honorio Coronado, Euridice N.; Levis, Carolina; Killeen, Tim J.; Laurance, William F.; Magnusson, William E.; Marimon, Beatriz S.; Marimon Junior, Ben Hur; Mendoza Polo, Irina; Mishra, Piyush; Nascimento, Marcelo T.; Neill, David; Nunez Vargas, Mario P.; Palacios, Walter A.; Parada, Alexander; Pardo Molina, Guido; Pena-Claros, Marielos; Pitman, Nigel; Peres, Carlos A.; Prieto, Adriana; Poorter, Lourens; Ramirez-Angulo, Hirma; Restrepo Correa, Zorayda; Roopsind, Anand; Roucoux, Katherine H.; Rudas, Agustin; Salomao, Rafael P.; Schietti, Juliana; Silveira, Marcos; de Souza, Priscila F.; Steininger, Marc K.; Stropp, Juliana; Terborgh, John; Thomas, Raquel; Toledo, Marisol; Torres-Lezama, Armando; van Andel, Tinde R.; van der Heijden, Geertje M. F.; Vieira, Ima C. G.; Vieira, Simone; Vilanova-Torre, Emilio; Vos, Vincent A.; Wang, Ophelia; Zartman, Charles E.; Malhi, Yadvinder; Phillips, Oliver L.; Cruz, A.P.; Cuenca, W.P.; Espejo, J.E.; Ferreira, L.; Germaine, A.; Penuela, M.C.; Silva, N.; Valenzuela Gamarra, L.; Sub Ecology and Biodiversity; Ecology and Biodiversity;AbstractAimThe accurate mapping of forest carbon stocks is essential for understanding the global carbon cycle, for assessing emissions from deforestation, and for rational land‐use planning. Remote sensing (RS) is currently the key tool for this purpose, but RS does not estimate vegetation biomass directly, and thus may miss significant spatial variations in forest structure. We test the stated accuracy of pantropical carbon maps using a large independent field dataset.LocationTropical forests of the Amazon basin. The permanent archive of the field plot data can be accessed at: http://dx.doi.org/10.5521/FORESTPLOTS.NET/2014_1MethodsTwo recent pantropical RS maps of vegetation carbon are compared to a unique ground‐plot dataset, involving tree measurements in 413 large inventory plots located in nine countries. The RS maps were compared directly to field plots, and kriging of the field data was used to allow area‐based comparisons.ResultsThe two RS carbon maps fail to capture the main gradient in Amazon forest carbon detected using 413 ground plots, from the densely wooded tall forests of the north‐east, to the light‐wooded, shorter forests of the south‐west. The differences between plots and RS maps far exceed the uncertainties given in these studies, with whole regions over‐ or under‐estimated by > 25%, whereas regional uncertainties for the maps were reported to be < 5%.Main conclusionsPantropical biomass maps are widely used by governments and by projects aiming to reduce deforestation using carbon offsets, but may have significant regional biases. Carbon‐mapping techniques must be revised to account for the known ecological variation in tree wood density and allometry to create maps suitable for carbon accounting. The use of single relationships between tree canopy height and above‐ground biomass inevitably yields large, spatially correlated errors. This presents a significant challenge to both the forest conservation and remote sensing communities, because neither wood density nor species assemblages can be reliably mapped from space.
Europe PubMed Centra... arrow_drop_down Europe PubMed CentralArticle . 2014Full-Text: http://europepmc.org/articles/PMC4579864Data sources: PubMed CentralSpiral - Imperial College Digital RepositoryArticle . 2014Data sources: Spiral - Imperial College Digital RepositoryGlobal Ecology and Biogeography; Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual) - Universidade de São Paulo (USP)Article . 2014 . Peer-reviewedLicense: CC BYadd 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 243 citations 243 popularity Top 1% influence Top 10% impulse Top 1% Powered by BIP!visibility 35visibility views 35 download downloads 134 Powered bymore_vert Europe PubMed Centra... arrow_drop_down Europe PubMed CentralArticle . 2014Full-Text: http://europepmc.org/articles/PMC4579864Data sources: PubMed CentralSpiral - Imperial College Digital RepositoryArticle . 2014Data sources: Spiral - Imperial College Digital RepositoryGlobal Ecology and Biogeography; Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual) - Universidade de São Paulo (USP)Article . 2014 . Peer-reviewedLicense: CC BYadd 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 , Other literature type 2014 United Kingdom, Netherlands, Germany, Netherlands, Brazil, Netherlands, United Kingdom, FrancePublisher:Copernicus GmbH Funded by:EC | GEOCARBON, UKRI | Tropical Biomes in Transi...EC| GEOCARBON ,UKRI| Tropical Biomes in TransitionAuthors: Elmar Veenendaal; Mireia Torello-Raventos; Ted R. Feldpausch; Tomas F. Domingues; +43 AuthorsElmar Veenendaal; Mireia Torello-Raventos; Ted R. Feldpausch; Tomas F. Domingues; F. Gerard; Franziska Schrodt; Gustavo Saiz; Carlos A. Quesada; Gloria Djagbletey; Andrew Ford; J Kemp; Beatriz Schwantes Marimon; Ben Hur Marimon-Junior; Eddie Lenza; J. A. Ratter; Leandro Maracahipes; Denise Sasaki; Bonaventure Sonké; Louis Zapfack; Daniel Villarroel; Michael P. Schwarz; F. Yoko Ishida; Martin Gilpin; Gabriela Bielefeld Nardoto; Kofi Affum-Baffoe; L. Arroyo; Keith J. Bloomfield; G. Ceca; Halidou Compaore; Kalu Davies; Adama Diallo; Nikolaos M. Fyllas; J. Gignoux; Fidele Hien; Michelle L. Johnson; Eric Mougin; Pierre Hiernaux; Timothy J. Killeen; Daniel J. Metcalfe; Heloisa Sinatora Miranda; Marc K. Steininger; Karle Sykora; Michael I. Bird; John Grace; Simon L. Lewis; Oliver L. Phillips; Jon Lloyd;Through interpretations of remote-sensing data and/or theoretical propositions, the idea that forest and savanna represent "alternative stable states" is gaining increasing acceptance. Filling an observational gap, we present detailed stratified floristic and structural analyses for forest and savanna stands located mostly within zones of transition (where both vegetation types occur in close proximity) in Africa, South America and Australia. Woody plant leaf area index variation was related to tree canopy cover in a similar way for both savanna and forest with substantial overlap between the two vegetation types. As total woody plant canopy cover increased, so did the relative contribution of middle and lower strata of woody vegetation. Herbaceous layer cover declined as woody cover increased. This pattern of understorey grasses and herbs progressively replaced by shrubs as the canopy closes over was found for both savanna and forests and on all continents. Thus, once subordinate woody canopy layers are taken into account, a less marked transition in woody plant cover across the savanna–forest-species discontinuum is observed compared to that inferred when trees of a basal diameter > 0.1 m are considered in isolation. This is especially the case for shrub-dominated savannas and in taller savannas approaching canopy closure. An increased contribution of forest species to the total subordinate cover is also observed as savanna stand canopy closure occurs. Despite similarities in canopy-cover characteristics, woody vegetation in Africa and Australia attained greater heights and stored a greater amount of above-ground biomass than in South America. Up to three times as much above-ground biomass is stored in forests compared to savannas under equivalent climatic conditions. Savanna–forest transition zones were also found to typically occur at higher precipitation regimes for South America than for Africa. Nevertheless, consistent across all three continents coexistence was found to be confined to a well-defined edaphic–climate envelope with soil and climate the key determinants of the relative location of forest and savanna stands. Moreover, when considered in conjunction with the appropriate water availability metrics, it emerges that soil exchangeable cations exert considerable control on woody canopy-cover extent as measured in our pan-continental (forest + savanna) data set. Taken together these observations do not lend support to the notion of alternate stable states mediated through fire feedbacks as the prime force shaping the distribution of the two dominant vegetation types of the tropical lands.
NARCIS; Research@WUR arrow_drop_down NARCIS; Research@WUROther literature type . Article . 2015License: CC BYFull-Text: https://edepot.wur.nl/346323Biogeosciences; Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual) - Universidade de São Paulo (USP)Article . 2015 . Peer-reviewedLicense: CC BYResearch@WUR; Biogeosciences DiscussionsOther literature type . Article . Preprint . 2014License: CC BYSpiral - Imperial College Digital RepositoryArticle . 2015Data sources: Spiral - Imperial College Digital RepositoryHAL AMU; Mémoires en Sciences de l'Information et de la Communication; HAL-IRD; HAL-UPMCArticle . 2015License: CC BY NCHAL - UPEC / UPEM; HAL-Pasteur; HAL-InsermArticle . 2015add 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 Routesgold 66 citations 66 popularity Top 10% influence Top 10% impulse Top 10% Powered by BIP!visibility 6visibility views 6 download downloads 269 Powered bymore_vert NARCIS; Research@WUR arrow_drop_down NARCIS; Research@WUROther literature type . Article . 2015License: CC BYFull-Text: https://edepot.wur.nl/346323Biogeosciences; Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual) - Universidade de São Paulo (USP)Article . 2015 . Peer-reviewedLicense: CC BYResearch@WUR; Biogeosciences DiscussionsOther literature type . Article . Preprint . 2014License: CC BYSpiral - Imperial College Digital RepositoryArticle . 2015Data sources: Spiral - Imperial College Digital RepositoryHAL AMU; Mémoires en Sciences de l'Information et de la Communication; HAL-IRD; HAL-UPMCArticle . 2015License: CC BY NCHAL - UPEC / UPEM; HAL-Pasteur; HAL-InsermArticle . 2015add 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 , Other literature type 2014 FrancePublisher:Elsevier BV Authors: Laetitia Herrmann; Jean-Luc Chotte; Moses Thuita; Didier Lesueur;Laetitia Herrmann; Jean-Luc Chotte; Moses Thuita; Didier Lesueur;Agriculture intensification has resulted in severe soil nutrient depletion in Africa. Alternative agricultural practices have been promoted to reduce the use of expensive mineral fertilizers and to restore and sustain soil fertility. The use of mineral fertilizer combined with organic inputs (such as crop residues) and different cropping systems (cereal-legume association or rotation) have been particularly promising. Impacts of these agricultural practices on soil communities have been widely studied, yet little is known on the effect on more specific groups such as rhizobia. A field trial was set up in Chuka (Kenya) to assess the impact of different cropping systems (maize and soybean in intercropping, rotation or monocropping) combined with N fertilization and residues application on the genetic diversity of promiscuous soybean rhizobia during two seasons. Soybean yields were severely reduced by moisture stress and the association with maize compared to mono-legume and rotation systems. Nodulation was generally low but was positively affected by residues application. Diversity of native rhizobia was very low (Shannon indices H_ < 0.8) across the experiment and was not affected by the treatments. Only 5 IGS profiles were obtained after RFLP analysis and all isolated rhizobia were identified as Bradyrhizobium elkanii. The distribution of the different IGS groups within the experiment was more affected by season and residues application than by cropping system and nitrogen fertilizer application. These results suggest a limited population and a low diversity of indigenous rhizobia, and emphasize the need of alternative managements to increase and sustain soybean yields in Central Kenya.
Horizon / Pleins tex... arrow_drop_down HAL - UPEC / UPEM; HAL-Pasteur; HAL-Inserm; Hal-DiderotArticle . 2014add 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.eu28 citations 28 popularity Top 10% influence Average impulse Top 10% Powered by BIP!more_vert Horizon / Pleins tex... arrow_drop_down HAL - UPEC / UPEM; HAL-Pasteur; HAL-Inserm; Hal-DiderotArticle . 2014add 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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description Publicationkeyboard_double_arrow_right Article , Other literature type 2018 France, Netherlands, Netherlands, NetherlandsPublisher:Wiley Decaëns, Thibaud; Martins, Marlúcia B.; Feijoo, Alexander; Oszwald, Johan; Dolédec, Sylvain; Mathieu, Jérôme; Arnaud de Sartre, Xavier; Bonilla, Diego; Brown, George G.; Cuellar Criollo, Yeimmy Andrea; Dubs, Florence; Furtado, Ivaneide S.; Gond, Valérie; Gordillo, Erika; Le Clec'h, Solen; Marichal, Raphaël; Mitja, Danielle; de Souza, Izildinha Miranda; Praxedes, Catarina; Rougerie, Rodolphe; Ruiz, Darío H.; Otero, Joel Tupac; Sanabria, Catalina; Velasquez, Alex; Zararte, Luz Elena M.; Lavelle, Patrick;doi: 10.1111/cobi.13206
pmid: 30113727
AbstractAssessing how much management of agricultural landscapes, in addition to protected areas, can offset biodiversity erosion in the tropics is a central issue for conservation that still requires cross‐taxonomic and landscape‐scale studies. We measured the effects of Amazonia deforestation and subsequent land‐use intensification in 6 agricultural areas (landscape scale), where we sampled plants and 4 animal groups (birds, earthworms, fruit flies, and moths). We assessed land‐use intensification with a synthetic index based on landscape metrics (total area and relative percentages of land uses, edge density, mean patch density and diversity, and fractal structures at 5 dates from 1990 to 2007). Species richness decreased consistently as agricultural intensification increased despite slight differences in the responses of sampled groups. Globally, in moderately deforested landscapes species richness was relatively stable, and there was a clear threshold in biodiversity loss midway along the intensification gradient, mainly linked to a drop in forest cover and quality. Our results suggest anthropogenic landscapes with high‐quality forest covering >40 % of the surface area may prevent biodiversity loss in Amazonia.
Conservation Biology... arrow_drop_down add 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 Routesbronze 49 citations 49 popularity Top 1% influence Top 10% impulse Top 10% Powered by BIP!visibility 15visibility views 15 Powered bymore_vert Conservation Biology... arrow_drop_down add 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.eudescription Publicationkeyboard_double_arrow_right Article , Other literature type 2017 FrancePublisher:American Meteorological Society Hossain, Faisal; Srinivasan, Margaret; Peterson, Craig; Andral, Alice; Beighley, Ed; Anderson, Eric; Amini, Rashied; Birkett, Charon; David, David; Blain, Cheryl Ann; Cherchali, Selma; David, Cédric; Doorn, Bradley; Fu, Jorge; Fu, Lee-Lueng; Frans, Chris; Fulton, John; Gangopadhay, Subhrendu; Ghosh, Subimal; Gleason, Colin; Gosset, Marielle; Hausman, Jessica; Jacobs, Gregg; Jones, John; Kaheil, Yasir; Laignel, Benoît,; Le Moigne, Patrick; Li, Li; Lefèvre, Fabien; Mason, Robert; Mehta, Amita; Mukherjee, Abhijit; Nguy-Robertson, Anthony; Ricci, Sophie; Paris, Adrien; Pavelsky, Tamlin; Picot, Nicolas; Schumann, Guy; Shrestha, Sudhir; Le Traon, Pierre-Yves; Trehubenko, Eric;Scheduled for launch in 2021, the Surface Water and Ocean Topography (SWOT) mission will be a truly unique mission that will provide high-temporal-frequency maps of surface water extents and elevation variations of global water bodies (lakes/reservoirs, rivers, estuaries, oceans, and sea ice) at higher spatial resolution than is available with current technologies (Biancamaria et al. 2016; Alsdorf et al. 2007). The primary instrument on SWOT is based on a Ka-band radar interferometer (KaRIN), which uses radar interferometery technology. The satellite will fly two radar antennas at either end of a 10-m (33 ft) mast, allowing it to measure the elevation of the surface along a 120-km (75 mi)-wide swath below. The availability of high-frequency and high-resolution maps of elevations and extents for surface water bodies and oceans will present unique opportunities to address numerous societally relevant challenges around the globe (Srinivasan et al. 2015). These opportunities may include such diverse and far-ranging applications as fisheries management, flood inundation mapping/risk mitigation/forecasting, wildlife conservation, global data assimilation for improving forecast of ocean tides and weather, reservoir management, climate change impacts and adaptation, and river discharge estimation, among others.
Horizon / Pleins tex... arrow_drop_down Bulletin of the American Meteorological SocietyArticle . 2017 . Peer-reviewedData sources: Crossrefadd 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 Routesbronze 8 citations 8 popularity Top 10% influence Average impulse Average Powered by BIP!more_vert Horizon / Pleins tex... arrow_drop_down Bulletin of the American Meteorological SocietyArticle . 2017 . Peer-reviewedData sources: Crossrefadd 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.eudescription Publicationkeyboard_double_arrow_right Article , Other literature type 2016 Netherlands, France, Netherlands, NetherlandsPublisher:Elsevier BV Clec'h, Solen Le; Oszwald, Johan; Decaens, Thibaud; Desjardins, Thierry; Dufour, Simon; Grimaldi, Michel; Jegou, Nicolas; Lavelle, Patrick;Quantifying and mapping ecosystem services (ES), their indicators and their relationships is of crucial importance for environmental management. In this article, we analyze the spatial distribution of multiple-ES indicators at three locations on the pioneer fronts of the Brazilian Amazon. We identify trade-offs and synergies between six ES indicators for soil, vegetation and biodiversity characterization. We also propose spatial representations of multiple-ES indicators (vegetation carbon stocks, rates of water infiltration into soil, soil chemical quality, soil carbon stocks, biodiversity and richness in Sphingidae). Finally, we discuss three different methods to map them depending on the goals of the maps, arguing that maps lean on objective-oriented approaches. The study is based on remote sensing and sampling data from 135 sampling points. We created multiple-ES indicators maps based on Principal Component Analysis (PCA), a score of ES richness, and discrimination of land cover units. PCA is an appropriate tool for showing high correlations between indicators, nevertheless has notable limitations for visual communication. The scoring method may help mapping ES hotspots, however it fails to consider relationships among them. The land-cover-based method has the advantage of being simple and easy to interpret, still it may not consider important indicators not related to land-cover changes. We discuss the interests and limitations of these different ways to map multiple-ES indicators, regarding the final goals of the maps.
Research@WUR; Ecolog... arrow_drop_down Research@WUR; Ecological IndicatorsOther literature type . Article . 2016 . Peer-reviewedLicense: Elsevier TDMHAL - UPEC / UPEM; HAL-Pasteur; HAL-Inserm; Hal-DiderotArticle . 2016add 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 Routesgold 44 citations 44 popularity Top 10% influence Top 10% impulse Top 10% Powered by BIP!more_vert Research@WUR; Ecolog... arrow_drop_down Research@WUR; Ecological IndicatorsOther literature type . Article . 2016 . Peer-reviewedLicense: Elsevier TDMHAL - UPEC / UPEM; HAL-Pasteur; HAL-Inserm; Hal-DiderotArticle . 2016add 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.eudescription Publicationkeyboard_double_arrow_right Article , Other literature type 2016 FrancePublisher:Elsevier BV Catalina Sanabria; Florence Dubs; Patrick Lavelle; Steven J. Fonte; Sébastien Barot;International audience; Ants and termites, as soil engineers, provide many ecosystem services that can be important for the sustainability of agriculture. The aim of this study was to evaluate the impact of land use on ant and termite communities in Colombian savanna landscapes, and to assess whether this impact is associated with the modification of soil physical and chemical properties. Ants and termites were sampled in five different agricultural and semi-natural systems across three regions of the 3 eastern Colombian Llanos: 1) annual crops (maize, soy and rice), 2) rubber plantations, 3) oil palm plantations, 4) improved pastures and 5) semi-natural savannas. A total of 91 ant and 16 termite species were collected. Multivariate analysis revealed that termite communities significantly differed among land uses, but not between regions. Ant communities differed between regions and land uses. Based on between group analyses of termite communities, three groups of land use can be distinguished: one formed by semi-natural savannas and improved pastures, the second by oil palm plantations and annual crops and the third by rubber plantations. General linear models applied separately to each species found 19 significant associations of soil physical or chemical properties, land uses or regions with 15 ant species and 14 significant associations with 6 termite species. Taken together, there is a strong association between land use and ant or termite communities and this influence is likely due to changes in ant and termite habitats resulting from agricultural practices such as tillage, fertilization, and lime addition. These results suggest that annual crops are the most detrimental land use for termites and ants, because their communities are highly sensitive to vegetation cover and agricultural practices such as tillage. Maintaining a high diversity of soil engineers and the ecosystem services they provide likely depends on the maintenance of natural ecosystems in the landscape and the adoption of practices that reduce impacts on soil ecosystem engineers when native ecosystems have been transformed into agricultural systems.
European Journal of ... arrow_drop_down European Journal of Soil BiologyArticle . 2016 . Peer-reviewedLicense: Elsevier TDMData sources: Crossrefadd 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 Routesbronze 15 citations 15 popularity Top 10% influence Average impulse Average Powered by BIP!more_vert European Journal of ... arrow_drop_down European Journal of Soil BiologyArticle . 2016 . Peer-reviewedLicense: Elsevier TDMData sources: Crossrefadd 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.eudescription Publicationkeyboard_double_arrow_right Article , Other literature type 2016 Netherlands, Spain, Netherlands, France, United Kingdom, NetherlandsPublisher:Wiley Funded by:NSF | PBI: Solanum: A Worldwide...NSF| PBI: Solanum: A Worldwide TreatmentAuthors: Syfert, Mindy M.; Castañeda-Álvarez, Nora P.; Khoury, Colin K.; Särkinen, Tiina; +6 AuthorsSyfert, Mindy M.; Castañeda-Álvarez, Nora P.; Khoury, Colin K.; Särkinen, Tiina; Sosa, Chrystian C.; Achicanoy, Harold A.; Bernau, Vivian; Prohens, Jaime; Daunay, Marie Christine; Knapp, Sandra;[EN] Crop wild relatives (CWR) provide important traits for plant breeding, including pest, pathogen, and abiotic stress resistance. Therefore, their conservation and future availability are essential for food security. Despite this need, the world's genebanks are currently thought to conserve only a small fraction of the total diversity of CWR. METHODS: We define the eggplant genepool using the results of recent taxonomic and phylogenetic studies. We identify the gaps in germplasm accessions for eggplant (Solanum melongena L.) CWR by comparing georeferenced herbarium records and germplasm accessions using a gap analysis methodology implementing species distribution models (SDM). Preliminary conservation assessments using IUCN criteria were done for all species and were combined with the gap analysis to pinpoint where under-collected and threatened CWR species coincide with high human disturbance and occur outside of protected areas. KEY RESULTS: We show that many eggplant CWR are poorly represented in genebanks compared to their native ranges. Priority areas for future collecting are concentrated in Africa, especially along the Kenya-Tanzania border. Fourteen species of eggplant CWR are assessed as threatened or near-threatened; these are also concentrated in eastern Africa. CONCLUSIONS: The knowledge base upon which conservation of wild relative germplasm depends must take into account both taxonomic and phylogenetic advances. Beyond traditional research focus on close relatives of crops, we emphasize the benefits of defining a broad CWR genepool, and the importance of assessing threats to wild species when targeting localities for future collection of CWR to improve crop breeding in the face of environmental change. The authors thank the managers curating Solanaceae in both herbaria and genebanks for contributing data for these analyses. Helpful comments by two anonymous reviewers greatly improved the manuscript. This work was undertaken as part of "Adapting Agriculture to Climate Change: Conserving, Protecting and Preparing Crop Wild Relatives" (http://www.cwrdiversity.org/) supported by the Government of Norway and the Natural History Museum's Natural Resources Initiative. Taxonomic and systematic work on Solanum and eggplant CWR was supported by National Science Foundation (NSF) grant DEB-0316614 'PBI Solanum - a world treatment' to SK. MMS was funded by the Crop and Pest Wild Relatives project as part of the NHM Natural Resources Initiative.
NARCIS; Research@WUR arrow_drop_down Recolector de Ciencia Abierta, RECOLECTA; American Journal of BotanyArticle . 2016 . Peer-reviewedLicense: Wiley Online Library User AgreementHAL - UPEC / UPEM; HAL-Pasteur; HAL-Inserm; Hal-DiderotArticle . 2016Mémoires en Sciences de l'Information et de la CommunicationArticle . 2016Full-Text: https://hal.science/hal-01315233/documentadd 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 bronze 64 citations 64 popularity Top 10% influence Top 10% impulse Top 10% Powered by BIP!visibility 218visibility views 218 download downloads 366 Powered bymore_vert NARCIS; Research@WUR arrow_drop_down Recolector de Ciencia Abierta, RECOLECTA; American Journal of BotanyArticle . 2016 . Peer-reviewedLicense: Wiley Online Library User AgreementHAL - UPEC / UPEM; HAL-Pasteur; HAL-Inserm; Hal-DiderotArticle . 2016Mémoires en Sciences de l'Information et de la CommunicationArticle . 2016Full-Text: https://hal.science/hal-01315233/documentadd 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.eudescription Publicationkeyboard_double_arrow_right Article 2015 Germany, Netherlands, Netherlands, Netherlands, Netherlands, United Kingdom, United Kingdom, France, BrazilPublisher:American Association for the Advancement of Science (AAAS) Funded by:ANR | CEBA, NSF | Understanding the Spatial..., NSF | Doctoral Dissertation Res... +3 projectsANR| CEBA ,NSF| Understanding the Spatial Patterns of Diversity of Montane Forests in Northern Bolivia ,NSF| Doctoral Dissertation Research: Multi-Scale Tree Diversity Conservation Implementation in the Western Amazon Based on Remote Sensing and Tree Inventory Data ,NSF| Botanical Inventory of the Madidi Region, Bolivia ,NSF| Collaborative Research: Ectomycorrhizal fungal diversity of the central Guiana Shield ,EC| GEM-TRAITHans ter Steege; Nigel C. A. Pitman; Timothy J. Killeen; William F. Laurance; Carlos A. Peres; Juan Ernesto Guevara; Rafael de Paiva Salomão; Carolina V. Castilho; Iêda Leão do Amaral; Francisca Dionízia de Almeida Matos; Luiz de Souza Coelho; William E. Magnusson; Oliver L. Phillips; Diogenes de Andrade Lima Filho; Marcelo de Jesus Veiga Carim; Mariana Victória Irume; Maria Pires Martins; Jean-François Molino; Daniel Sabatier; Florian Wittmann; Dairon Cárdenas López; José Renan da Silva Guimarães; Abel Monteagudo Mendoza; Percy Núñez Vargas; Angelo Gilberto Manzatto; Neidiane Farias Costa Reis; John Terborgh; Katia Regina Casula; Juan Carlos Montero; Ted R. Feldpausch; Eurídice N. Honorio Coronado; Álvaro Javier Duque Montoya; Charles E. Zartman; Bonifacio Mostacedo; Rodolfo Vasquez; Rafael L. Assis; Marcelo Brilhante de Medeiros; Marcelo F. Simon; Ana Andrade; José Luís Camargo; Susan G. Laurance; Henrique E. M. Nascimento; Beatriz Schwantes Marimon; Ben-Hur Marimon; Flávia R. C. Costa; Natalia Targhetta; Ima Célia Guimarães Vieira; Roel J. W. Brienen; Hernán Castellanos; Joost F. Duivenvoorden; Hugo Mogollón; Maria Teresa Fernandez Piedade; A C Gerardo Aymard; James A. Comiskey; Gabriel Damasco; Nállarett Dávila; Roosevelt García-Villacorta; Pablo Roberto Stevenson Diaz; Alberto Vincentini; Thaise Emilio; Carolina Levis; Juliana Schietti; Priscila Souza; Alfonso Alonso; Francisco Dallmeier; Leandro Valle Ferreira; David A. Neill; Alejandro Araujo-Murakami; Luzmila Arroyo; Fernanda Carvalho; Fernanda Coelho de Souza; Dário Dantas do Amaral; Rogério Gribel; Bruno Garcia Luize; M. P. Pansonato; Eduardo Martins Venticinque; Paul V. A. Fine; Marisol Toledo; Christopher Baraloto; Carlos Cerón; Julien Engel; Terry W. Henkel; E. M. Jimenez; Paul J. M. Maas; Maria Cristina Peñuela Mora; Pascal Petronelli; Juan David Cardenas Revilla; Marcos Silveira; Juliana Stropp; Raquel Thomas-Caesar; Timothy R. Baker; Doug Daly; Marcos Ríos Paredes; Naara Ferreira da Silva; Alfredo F. Fuentes; Peter M. Jørgensen; Jochen Schöngart; Miles R. Silman; Nicolás Castaño Arboleda; Bruno Barçante Ladvocat Cintra; Fernando Cornejo Valverde; Anthony Di Fiore; Juan Fernando Phillips; Tinde van Andel; Patricio von Hildebrand; Edelcilio Marques Barbosa; Luiz Carlos de Matos Bonates; Deborah de Castro; Emanuelle de Sousa Farias; Therany Gonzales; Jean-Louis Guillaumet; Bruce Hoffman; Yadvinder Malhi; Ires Paula de Andrade Miranda; Adriana Prieto; Agustín Rudas; Ademir R. Ruschell; Natalino Silva; César I.A. Vela; Vincent A. Vos; Egleé L. Zent; Stanford Zent; Ángela Cano; Marcelo Trindade Nascimento; Alexandre Adalardo de Oliveira; Hirma Ramírez-Angulo; José Ferreira Ramos; Rodrigo Sierra; Milton Tirado; Maria Natalia Umaña Medina; Geertje M. F. van der Heijden; Emilio Vilanova Torre; Corine Vriesendorp; Ophelia Wang; Kenneth R. Young; Cláudia Baider; Henrik Balslev; Natalia de Castro; William Farfan-Rios; Cid Ferreira; Casimiro Mendoza; Italo Mesones; Armando Torres-Lezama; Ligia Estela Urrego Giraldo; Daniel Villarroel; Roderick Zagt; Miguel Alexiades; Karina Garcia-Cabrera; Lionel Hernández; Isau Huamantupa-Chuquimaco; William Milliken; Walter Palacios Cuenca; Susamar Pansini; Daniela Pauletto; Freddy Ramirez Arevalo; Adeilza Felipe Sampaio; Elvis H. Valderrama Sandoval; Luis Valenzuela Gamarra;Estimates of extinction risk for Amazonian plant and animal species are rare and not often incorporated into land-use policy and conservation planning. We overlay spatial distribution models with historical and projected deforestation to show that at least 36% and up to 57% of all Amazonian tree species are likely to qualify as globally threatened under International Union for Conservation of Nature (IUCN) Red List criteria. If confirmed, these results would increase the number of threatened plant species on Earth by 22%. We show that the trends observed in Amazonia apply to trees throughout the tropics, and we predict that most of the world’s >40,000 tropical tree species now qualify as globally threatened. A gap analysis suggests that existing Amazonian protected areas and indigenous territories will protect viable populations of most threatened species if these areas suffer no further degradation, highlighting the key roles that protected areas, indigenous peoples, and improved governance can play in preventing large-scale extinctions in the tropics in this century. Analyses of forest loss and protected areas suggest that 36 to 57% of Amazonian tree flora may qualify as “globally threatened.”
University of East A... arrow_drop_down University of East Anglia digital repositoryArticle . 2015 . Peer-reviewedData sources: University of East Anglia digital repositoryEurope PubMed CentralArticle . 2015Full-Text: http://europepmc.org/articles/PMC4681336Data sources: PubMed CentralNARCISArticle . 2015Full-Text: https://pure.uva.nl/ws/files/2708537/171134_Estimating_the_global_conservation_status.pdfData sources: NARCISScience AdvancesArticle . 2015Research@WUR; Oxford University Research Archive; Repositório Institucional da EMBRAPA (Repository Open Access to Scientific Information from EMBRAPA - Alice) - Empresa Brasileira de Pesquisa Agropecuária (Embrapa); Science Advances; LAReferencia - Red Federada de Repositorios Institucionales de Publicaciones Científicas Latinoamericanas; PURE Aarhus UniversityOther literature type . Article . 2015 . 2016 . Peer-reviewedLicense: CC BY NC NDRecolector de Ciencia Abierta, RECOLECTAArticle . 2015Data sources: Recolector de Ciencia Abierta, RECOLECTAHAL - UPEC / UPEM; HAL-Pasteur; HAL-Inserm; Mémoires en Sciences de l'Information et de la Communication; HAL-IRD; Hal-DiderotArticle . 2015License: CC BY NCadd 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 gold 134 citations 134 popularity Top 1% influence Top 10% impulse Top 1% Powered by BIP!visibility 14visibility views 14 download downloads 163 Powered bymore_vert University of East A... arrow_drop_down University of East Anglia digital repositoryArticle . 2015 . Peer-reviewedData sources: University of East Anglia digital repositoryEurope PubMed CentralArticle . 2015Full-Text: http://europepmc.org/articles/PMC4681336Data sources: PubMed CentralNARCISArticle . 2015Full-Text: https://pure.uva.nl/ws/files/2708537/171134_Estimating_the_global_conservation_status.pdfData sources: NARCISScience AdvancesArticle . 2015Research@WUR; Oxford University Research Archive; Repositório Institucional da EMBRAPA (Repository Open Access to Scientific Information from EMBRAPA - Alice) - Empresa Brasileira de Pesquisa Agropecuária (Embrapa); Science Advances; LAReferencia - Red Federada de Repositorios Institucionales de Publicaciones Científicas Latinoamericanas; PURE Aarhus UniversityOther literature type . Article . 2015 . 2016 . Peer-reviewedLicense: CC BY NC NDRecolector de Ciencia Abierta, RECOLECTAArticle . 2015Data sources: Recolector de Ciencia Abierta, RECOLECTAHAL - UPEC / UPEM; HAL-Pasteur; HAL-Inserm; Mémoires en Sciences de l'Information et de la Communication; HAL-IRD; Hal-DiderotArticle . 2015License: CC BY NCadd 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.eudescription Publicationkeyboard_double_arrow_right Other literature type , Article 2014 FrancePublisher:Wiley Jean-François Bastin; Nicolas Barbier; Pierre Couteron; Benoît Adams; Aurélie Shapiro; Jan Bogaert; Charles De Cannière;doi: 10.1890/13-1574.1
pmid: 29185667
In the context of the reduction of greenhouse gas emissions caused by deforestation and forest degradation (the REDD+ program), optical very high resolution (VHR) satellite images provide an opportunity to characterize forest canopy structure and to quantify aboveground biomass (AGB) at less expense than methods based on airborne remote sensing data. Among the methods for processing these VHR images, Fourier textural ordination (FOTO) presents a good method to detect forest canopy structural heterogeneity and therefore to predict AGB variations. Notably, the method does not saturate at intermediate AGB values as do pixelwise processing of available space borne optical and radar signals. However, a regional‐scale application requires overcoming two difficulties: (1) instrumental effects due to variations in sun–scene–sensor geometry or sensor‐specific responses that preclude the use of wide arrays of images acquired under heterogeneous conditions and (2) forest structural diversity including monodominant or open canopy forests, which are of particular importance in Central Africa. In this study, we demonstrate the feasibility of a rigorous regional study of canopy texture by harmonizing FOTO indices of images acquired from two different sensors (Geoeye‐1 and QuickBird‐2) and different sun–scene–sensor geometries and by calibrating a piecewise biomass inversion model using 26 inventory plots (1 ha) sampled across very heterogeneous forest types. A good agreement was found between observed and predicted AGB (residual standard error [RSE] = 15%; R2 = 0.85; P < 0.001) across a wide range of AGB levels from 26 Mg/ha to 460 Mg/ha, and was confirmed by cross validation. A high‐resolution biomass map (100‐m pixels) was produced for a 400‐km2 area, and predictions obtained from both imagery sources were consistent with each other (r = 0.86; slope = 1.03; intercept = 12.01 Mg/ha). These results highlight the horizontal structure of forest canopy as a powerful descriptor of the entire forest stand structure and heterogeneity. In particular, we show that quantitative metrics resulting from such textural analysis offer new opportunities to characterize the spatial and temporal variation of the structure of dense forests and may complement the toolbox used by tropical forest ecologists, managers or REDD+ national monitoring, reporting and verification bodies.
Horizon / Pleins tex... arrow_drop_down Ecological ApplicationsArticle . 2014 . Peer-reviewedLicense: Wiley Online Library User AgreementData sources: Crossrefadd 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 Routesbronze 72 citations 72 popularity Top 10% influence Top 10% impulse Top 10% Powered by BIP!more_vert Horizon / Pleins tex... arrow_drop_down Ecological ApplicationsArticle . 2014 . Peer-reviewedLicense: Wiley Online Library User AgreementData sources: Crossrefadd 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.eudescription Publicationkeyboard_double_arrow_right Article 2014 Netherlands, Netherlands, France, Netherlands, United Kingdom, BrazilPublisher:Wiley Funded by:EC | GEM-TRAIT, EC | T-FORCES, ANR | TULIP +8 projectsEC| GEM-TRAIT ,EC| T-FORCES ,ANR| TULIP ,UKRI| Using satellite data to monitor REDD+ projects: developing methodologies and error estimation for Africa ,UKRI| Tropical Biomes in Transition ,EC| GEOCARBON ,EC| AMAZALERT ,ANR| CEBA ,UKRI| Amazon Integrated Carbon Analysis / AMAZONICA ,ARC| The causes and effects of mortality in tropical Australian trees ,UKRI| Climate change and the Amazon: assessing the impact of climate on tree growth using tree ring widths and isotopesAuthors: Mitchard, Edward T. A.; Feldpausch, Ted R.; Brienen, Roel J. W.; Lopez-Gonzalez, Gabriela; +85 AuthorsMitchard, Edward T. A.; Feldpausch, Ted R.; Brienen, Roel J. W.; Lopez-Gonzalez, Gabriela; Monteagudo, Abel; Baker, Timothy R.; Lewis, Simon L.; Lloyd, Jon; Quesada, Carlos A.; Gloor, Manuel; ter Steege, Hans; Meir, Patrick; Alvarez, Esteban; Araujo-Murakami, Alejandro; Aragao, Luiz E. O. C.; Arroyo, Luzmila; Aymard, Gerardo; Banki, Olaf; Bonal, Damien; Brown, Sandra; Brown, Foster I.; Ceron, Carlos E.; Chama Moscoso, Victor; Chave, Jerome; Comiskey, James A.; Cornejo, Fernando; Corrales Medina, Massiel; Da Costa, Lola; Costa, Flavia R. C.; Di Fiore, Anthony; Domingues, Tomas F.; Erwin, Terry L.; Frederickson, Todd; Higuchi, Niro; Honorio Coronado, Euridice N.; Levis, Carolina; Killeen, Tim J.; Laurance, William F.; Magnusson, William E.; Marimon, Beatriz S.; Marimon Junior, Ben Hur; Mendoza Polo, Irina; Mishra, Piyush; Nascimento, Marcelo T.; Neill, David; Nunez Vargas, Mario P.; Palacios, Walter A.; Parada, Alexander; Pardo Molina, Guido; Pena-Claros, Marielos; Pitman, Nigel; Peres, Carlos A.; Prieto, Adriana; Poorter, Lourens; Ramirez-Angulo, Hirma; Restrepo Correa, Zorayda; Roopsind, Anand; Roucoux, Katherine H.; Rudas, Agustin; Salomao, Rafael P.; Schietti, Juliana; Silveira, Marcos; de Souza, Priscila F.; Steininger, Marc K.; Stropp, Juliana; Terborgh, John; Thomas, Raquel; Toledo, Marisol; Torres-Lezama, Armando; van Andel, Tinde R.; van der Heijden, Geertje M. F.; Vieira, Ima C. G.; Vieira, Simone; Vilanova-Torre, Emilio; Vos, Vincent A.; Wang, Ophelia; Zartman, Charles E.; Malhi, Yadvinder; Phillips, Oliver L.; Cruz, A.P.; Cuenca, W.P.; Espejo, J.E.; Ferreira, L.; Germaine, A.; Penuela, M.C.; Silva, N.; Valenzuela Gamarra, L.; Sub Ecology and Biodiversity; Ecology and Biodiversity;AbstractAimThe accurate mapping of forest carbon stocks is essential for understanding the global carbon cycle, for assessing emissions from deforestation, and for rational land‐use planning. Remote sensing (RS) is currently the key tool for this purpose, but RS does not estimate vegetation biomass directly, and thus may miss significant spatial variations in forest structure. We test the stated accuracy of pantropical carbon maps using a large independent field dataset.LocationTropical forests of the Amazon basin. The permanent archive of the field plot data can be accessed at: http://dx.doi.org/10.5521/FORESTPLOTS.NET/2014_1MethodsTwo recent pantropical RS maps of vegetation carbon are compared to a unique ground‐plot dataset, involving tree measurements in 413 large inventory plots located in nine countries. The RS maps were compared directly to field plots, and kriging of the field data was used to allow area‐based comparisons.ResultsThe two RS carbon maps fail to capture the main gradient in Amazon forest carbon detected using 413 ground plots, from the densely wooded tall forests of the north‐east, to the light‐wooded, shorter forests of the south‐west. The differences between plots and RS maps far exceed the uncertainties given in these studies, with whole regions over‐ or under‐estimated by > 25%, whereas regional uncertainties for the maps were reported to be < 5%.Main conclusionsPantropical biomass maps are widely used by governments and by projects aiming to reduce deforestation using carbon offsets, but may have significant regional biases. Carbon‐mapping techniques must be revised to account for the known ecological variation in tree wood density and allometry to create maps suitable for carbon accounting. The use of single relationships between tree canopy height and above‐ground biomass inevitably yields large, spatially correlated errors. This presents a significant challenge to both the forest conservation and remote sensing communities, because neither wood density nor species assemblages can be reliably mapped from space.
Europe PubMed Centra... arrow_drop_down Europe PubMed CentralArticle . 2014Full-Text: http://europepmc.org/articles/PMC4579864Data sources: PubMed CentralSpiral - Imperial College Digital RepositoryArticle . 2014Data sources: Spiral - Imperial College Digital RepositoryGlobal Ecology and Biogeography; Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual) - Universidade de São Paulo (USP)Article . 2014 . Peer-reviewedLicense: CC BYadd 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 RoutesGreen hybrid 243 citations 243 popularity Top 1% influence Top 10% impulse Top 1% Powered by BIP!visibility 35visibility views 35 download downloads 134 Powered bymore_vert Europe PubMed Centra... arrow_drop_down Europe PubMed CentralArticle . 2014Full-Text: http://europepmc.org/articles/PMC4579864Data sources: PubMed CentralSpiral - Imperial College Digital RepositoryArticle . 2014Data sources: Spiral - Imperial College Digital RepositoryGlobal Ecology and Biogeography; Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual) - Universidade de São Paulo (USP)Article . 2014 . Peer-reviewedLicense: CC BYadd 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=10.1111/geb.12168&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Other literature type 2014 United Kingdom, Netherlands, Germany, Netherlands, Brazil, Netherlands, United Kingdom, FrancePublisher:Copernicus GmbH Funded by:EC | GEOCARBON, UKRI | Tropical Biomes in Transi...EC| GEOCARBON ,UKRI| Tropical Biomes in TransitionAuthors: Elmar Veenendaal; Mireia Torello-Raventos; Ted R. Feldpausch; Tomas F. Domingues; +43 AuthorsElmar Veenendaal; Mireia Torello-Raventos; Ted R. Feldpausch; Tomas F. Domingues; F. Gerard; Franziska Schrodt; Gustavo Saiz; Carlos A. Quesada; Gloria Djagbletey; Andrew Ford; J Kemp; Beatriz Schwantes Marimon; Ben Hur Marimon-Junior; Eddie Lenza; J. A. Ratter; Leandro Maracahipes; Denise Sasaki; Bonaventure Sonké; Louis Zapfack; Daniel Villarroel; Michael P. Schwarz; F. Yoko Ishida; Martin Gilpin; Gabriela Bielefeld Nardoto; Kofi Affum-Baffoe; L. Arroyo; Keith J. Bloomfield; G. Ceca; Halidou Compaore; Kalu Davies; Adama Diallo; Nikolaos M. Fyllas; J. Gignoux; Fidele Hien; Michelle L. Johnson; Eric Mougin; Pierre Hiernaux; Timothy J. Killeen; Daniel J. Metcalfe; Heloisa Sinatora Miranda; Marc K. Steininger; Karle Sykora; Michael I. Bird; John Grace; Simon L. Lewis; Oliver L. Phillips; Jon Lloyd;Through interpretations of remote-sensing data and/or theoretical propositions, the idea that forest and savanna represent "alternative stable states" is gaining increasing acceptance. Filling an observational gap, we present detailed stratified floristic and structural analyses for forest and savanna stands located mostly within zones of transition (where both vegetation types occur in close proximity) in Africa, South America and Australia. Woody plant leaf area index variation was related to tree canopy cover in a similar way for both savanna and forest with substantial overlap between the two vegetation types. As total woody plant canopy cover increased, so did the relative contribution of middle and lower strata of woody vegetation. Herbaceous layer cover declined as woody cover increased. This pattern of understorey grasses and herbs progressively replaced by shrubs as the canopy closes over was found for both savanna and forests and on all continents. Thus, once subordinate woody canopy layers are taken into account, a less marked transition in woody plant cover across the savanna–forest-species discontinuum is observed compared to that inferred when trees of a basal diameter > 0.1 m are considered in isolation. This is especially the case for shrub-dominated savannas and in taller savannas approaching canopy closure. An increased contribution of forest species to the total subordinate cover is also observed as savanna stand canopy closure occurs. Despite similarities in canopy-cover characteristics, woody vegetation in Africa and Australia attained greater heights and stored a greater amount of above-ground biomass than in South America. Up to three times as much above-ground biomass is stored in forests compared to savannas under equivalent climatic conditions. Savanna–forest transition zones were also found to typically occur at higher precipitation regimes for South America than for Africa. Nevertheless, consistent across all three continents coexistence was found to be confined to a well-defined edaphic–climate envelope with soil and climate the key determinants of the relative location of forest and savanna stands. Moreover, when considered in conjunction with the appropriate water availability metrics, it emerges that soil exchangeable cations exert considerable control on woody canopy-cover extent as measured in our pan-continental (forest + savanna) data set. Taken together these observations do not lend support to the notion of alternate stable states mediated through fire feedbacks as the prime force shaping the distribution of the two dominant vegetation types of the tropical lands.
NARCIS; Research@WUR arrow_drop_down NARCIS; Research@WUROther literature type . Article . 2015License: CC BYFull-Text: https://edepot.wur.nl/346323Biogeosciences; Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual) - Universidade de São Paulo (USP)Article . 2015 . Peer-reviewedLicense: CC BYResearch@WUR; Biogeosciences DiscussionsOther literature type . Article . Preprint . 2014License: CC BYSpiral - Imperial College Digital RepositoryArticle . 2015Data sources: Spiral - Imperial College Digital RepositoryHAL AMU; Mémoires en Sciences de l'Information et de la Communication; HAL-IRD; HAL-UPMCArticle . 2015License: CC BY NCHAL - UPEC / UPEM; HAL-Pasteur; HAL-InsermArticle . 2015add 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=10.5194/bgd-11-4591-2014&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess Routesgold 66 citations 66 popularity Top 10% influence Top 10% impulse Top 10% Powered by BIP!visibility 6visibility views 6 download downloads 269 Powered bymore_vert NARCIS; Research@WUR arrow_drop_down NARCIS; Research@WUROther literature type . Article . 2015License: CC BYFull-Text: https://edepot.wur.nl/346323Biogeosciences; Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual) - Universidade de São Paulo (USP)Article . 2015 . Peer-reviewedLicense: CC BYResearch@WUR; Biogeosciences DiscussionsOther literature type . Article . Preprint . 2014License: CC BYSpiral - Imperial College Digital RepositoryArticle . 2015Data sources: Spiral - Imperial College Digital RepositoryHAL AMU; Mémoires en Sciences de l'Information et de la Communication; HAL-IRD; HAL-UPMCArticle . 2015License: CC BY NCHAL - UPEC / UPEM; HAL-Pasteur; HAL-InsermArticle . 2015add 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=10.5194/bgd-11-4591-2014&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Other literature type 2014 FrancePublisher:Elsevier BV Authors: Laetitia Herrmann; Jean-Luc Chotte; Moses Thuita; Didier Lesueur;Laetitia Herrmann; Jean-Luc Chotte; Moses Thuita; Didier Lesueur;Agriculture intensification has resulted in severe soil nutrient depletion in Africa. Alternative agricultural practices have been promoted to reduce the use of expensive mineral fertilizers and to restore and sustain soil fertility. The use of mineral fertilizer combined with organic inputs (such as crop residues) and different cropping systems (cereal-legume association or rotation) have been particularly promising. Impacts of these agricultural practices on soil communities have been widely studied, yet little is known on the effect on more specific groups such as rhizobia. A field trial was set up in Chuka (Kenya) to assess the impact of different cropping systems (maize and soybean in intercropping, rotation or monocropping) combined with N fertilization and residues application on the genetic diversity of promiscuous soybean rhizobia during two seasons. Soybean yields were severely reduced by moisture stress and the association with maize compared to mono-legume and rotation systems. Nodulation was generally low but was positively affected by residues application. Diversity of native rhizobia was very low (Shannon indices H_ < 0.8) across the experiment and was not affected by the treatments. Only 5 IGS profiles were obtained after RFLP analysis and all isolated rhizobia were identified as Bradyrhizobium elkanii. The distribution of the different IGS groups within the experiment was more affected by season and residues application than by cropping system and nitrogen fertilizer application. These results suggest a limited population and a low diversity of indigenous rhizobia, and emphasize the need of alternative managements to increase and sustain soybean yields in Central Kenya.
Horizon / Pleins tex... arrow_drop_down HAL - UPEC / UPEM; HAL-Pasteur; HAL-Inserm; Hal-DiderotArticle . 2014add 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.pedobi.2013.12.004&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eu28 citations 28 popularity Top 10% influence Average impulse Top 10% Powered by BIP!more_vert Horizon / Pleins tex... arrow_drop_down HAL - UPEC / UPEM; HAL-Pasteur; HAL-Inserm; Hal-DiderotArticle . 2014add 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.pedobi.2013.12.004&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eu