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 Private forest reserves can aid in preserving the community of medium and large-sized vertebrates in the Amazon arc of deforestation
Please use this identifier to cite or link to this item http://hdl.handle.net/10773/6544

title: Private forest reserves can aid in preserving the community of medium and large-sized vertebrates in the Amazon arc of deforestation
authors: Negroes, N
Revilla, E
Fonseca, C
Soares, AMVM
Jacomo, ATA
Silveira, L
keywords: Camera-trapping
Tropical mammals and birds
Activity period
issue date: 2011
publisher: Springer Verlag
abstract: Due to the advancing agricultural frontier in the Brazilian Amazon, the present rate of deforestation engenders a pessimistic scenario for vertebrate diversity in the area. Protected areas are an essential conservation tool to limit biodiversity loss, but their efficiency have yet to be proven. Here, we used camera-trap data on the presence of medium and large-size vertebrates in a protected area (Canto State Park) and a neighbouring private forest reserve (Santa F, Ranch) to evaluate their effectiveness in protecting biodiversity. We also gathered information on seasonality and activity patterns. A total sampling effort of 7929 trap-nights revealed a diverse vertebrate fauna in the region. A total of 34 mammal species, belonging to 8 different orders was detected in the study area, some of which have a high level of conservation interest and value. The photographic index showed that diversity was more abundant outside the protected area of Canto State Park, where seasonality could play a major role in vertebrate occurrence. Overall, the influence of seasonality on distribution appears to be species-specific. During the wet season around 40% of the common species were not detected inside the park, whereas in Santa F, Ranch most species (62.5%) suffered only a slight decrease in relative abundance probably due to changes in the availability of food resources. Our results highlight the importance of private land for vertebrate conservation in the Amazon and alert to the need for increased law enforcement in these areas to secure biodiversity preservation.
URI: http://hdl.handle.net/10773/6544
ISSN: 0960-3115
publisher version/DOI: http://dx.doi.org/10.1007/s10531-010-9961-3
source: Biodiversity and Conservation
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