Biodiversity loss along a gradient of deforestation in Amazonian agricultural landscapes

Biodiversity loss along a gradient of deforestation in Amazonian agricultural landscapes

© 2018 Society for Conservation Biology.

Bibliographische Detailangaben
Veröffentlicht in:Conservation biology : the journal of the Society for Conservation Biology. - 1999. - 32(2018), 6 vom: 28. Dez., Seite 1380-1391
1. Verfasser: Decaëns, Thibaud (VerfasserIn)
Weitere Verfasser: 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
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2018
Zugriff auf das übergeordnete Werk:Conservation biology : the journal of the Society for Conservation Biology
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Brazil Colombia biodiversity conservation biodiversity erosion brasil cambios en el uso de suelo conservación de la biodiversidad erosión de la biodiversidad mehr... intensificación del paisaje land-use changes landscape intensification threshold umbral
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245 1 0 |a Biodiversity loss along a gradient of deforestation in Amazonian agricultural landscapes 
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500 |a Citation Status MEDLINE 
520 |a © 2018 Society for Conservation Biology. 
520 |a Assessing 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 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
650 4 |a Brazil 
650 4 |a Colombia 
650 4 |a biodiversity conservation 
650 4 |a biodiversity erosion 
650 4 |a brasil 
650 4 |a cambios en el uso de suelo 
650 4 |a conservación de la biodiversidad 
650 4 |a erosión de la biodiversidad 
650 4 |a intensificación del paisaje 
650 4 |a land-use changes 
650 4 |a landscape intensification 
650 4 |a threshold 
650 4 |a umbral 
700 1 |a Martins, Marlúcia B  |e verfasserin  |4 aut 
700 1 |a Feijoo, Alexander  |e verfasserin  |4 aut 
700 1 |a Oszwald, Johan  |e verfasserin  |4 aut 
700 1 |a Dolédec, Sylvain  |e verfasserin  |4 aut 
700 1 |a Mathieu, Jérôme  |e verfasserin  |4 aut 
700 1 |a Arnaud de Sartre, Xavier  |e verfasserin  |4 aut 
700 1 |a Bonilla, Diego  |e verfasserin  |4 aut 
700 1 |a Brown, George G  |e verfasserin  |4 aut 
700 1 |a Cuellar Criollo, Yeimmy Andrea  |e verfasserin  |4 aut 
700 1 |a Dubs, Florence  |e verfasserin  |4 aut 
700 1 |a Furtado, Ivaneide S  |e verfasserin  |4 aut 
700 1 |a Gond, Valérie  |e verfasserin  |4 aut 
700 1 |a Gordillo, Erika  |e verfasserin  |4 aut 
700 1 |a Le Clec'h, Solen  |e verfasserin  |4 aut 
700 1 |a Marichal, Raphaël  |e verfasserin  |4 aut 
700 1 |a Mitja, Danielle  |e verfasserin  |4 aut 
700 1 |a de Souza, Izildinha Miranda  |e verfasserin  |4 aut 
700 1 |a Praxedes, Catarina  |e verfasserin  |4 aut 
700 1 |a Rougerie, Rodolphe  |e verfasserin  |4 aut 
700 1 |a Ruiz, Darío H  |e verfasserin  |4 aut 
700 1 |a Otero, Joel Tupac  |e verfasserin  |4 aut 
700 1 |a Sanabria, Catalina  |e verfasserin  |4 aut 
700 1 |a Velasquez, Alex  |e verfasserin  |4 aut 
700 1 |a Zararte, Luz Elena M  |e verfasserin  |4 aut 
700 1 |a Lavelle, Patrick  |e verfasserin  |4 aut 
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773 1 8 |g volume:32  |g year:2018  |g number:6  |g day:28  |g month:12  |g pages:1380-1391 
856 4 0 |u http://dx.doi.org/10.1111/cobi.13206  |3 Volltext 
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