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Title
Camera-trap studies of maned wolf density in the Cerrado and the Pantanal of Brazil
Author(s)
Trolle M., Noss A.J., Lima E.D.S., Dalponte J.C.
Published
2007
Publisher
Biodiversity and Conservation
Published Version DOI
https://doi.org/10.1007/s10531-006-9105-y
Abstract
The maned wolf (Chrysocyon brachyurus) is threatened by large-scale habitat loss, in particular due to conversion to agricultural land. This is the first published study on maned wolf density and the first test of individual identification from camera-trap photographs. We present results from two Brazilian regions: the Cerrado and the Pantanal. Using capture-recapture analysis of camera-trap data, we estimated densities per 100 square kilometers of 3.64 ± 0.77 individuals at the Cerrado site and 1.56 ± 0.77 individuals at the Pantanal site. Parallel radio-telemetry studies at the Pantanal site showed that maned wolves occupied home ranges of 39-58 km 2 (mean = 50.3 ± 7.67 km2). Our study in the Cerrado took place in a private farm with a mixture of agricultural land and native habitats, representative of the majority of the present-day Cerrado. Whereas many other mammalian species have suffered in the region, our results show that the maned wolf may cope better with this highly fragmented landscape than one might have feared. Finally, the paper briefly compares maned wolf density with density of puma (Puma concolor) in the Pantanal site. © 2006 Springer Science+Business Media B.V.
Keywords
canid; cerrado; endangered species; felid; home range; mark-recapture method; photography; population density; species conservation; Pantanal; South America; Chrysocyon; Chrysocyon brachyurus; Mammalia; Puma concolor
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PUB10731