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Evaluation of Camera Trapping for Estimating Red Fox Abundance

Identifieur interne : 000596 ( Main/Exploration ); précédent : 000595; suivant : 000597

Evaluation of Camera Trapping for Estimating Red Fox Abundance

Auteurs : Pedro Sarmento [Portugal] ; Joana Cruz [Portugal] ; Catarina Eira [Portugal] ; Carlos Fonseca [Portugal]

Source :

RBID : ISTEX:691A781677ABEB37E6D04C86FEA3F2180F6C297B

English descriptors

Abstract

ABSTRACT  The nature reserve Serra da Malcata, Portugal, was recently considered a site for Iberian lynx (Lynx pardinus) reintroduction. Because of potential disease risk posed by red foxes (Vulpes vulpes) in the area, a reliable estimate of fox abundance was critical for a dependable reintroduction program. We adapted camera‐trapping techniques for estimating red fox abundance in the reserve. From July 2005 to August 2007, we conducted 7 camera‐trapping sessions, allowing for individual identification of foxes by physical characteristics. We estimated abundance using the heterogeneity (Mh) model of the software program CAPTURE. Estimated density ranged from 0.91 ± 0.12 foxes/km2to 0.74 ± 0.02 foxes/km2. By estimating red fox density, it is possible to define the number of foxes that must be sampled to assess the presence of potential fox‐transmitted diseases that may affect lynx reintroduction.

Url:
DOI: 10.2193/2008-288


Affiliations:


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Le document en format XML

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<div type="abstract">ABSTRACT  The nature reserve Serra da Malcata, Portugal, was recently considered a site for Iberian lynx (Lynx pardinus) reintroduction. Because of potential disease risk posed by red foxes (Vulpes vulpes) in the area, a reliable estimate of fox abundance was critical for a dependable reintroduction program. We adapted camera‐trapping techniques for estimating red fox abundance in the reserve. From July 2005 to August 2007, we conducted 7 camera‐trapping sessions, allowing for individual identification of foxes by physical characteristics. We estimated abundance using the heterogeneity (Mh) model of the software program CAPTURE. Estimated density ranged from 0.91 ± 0.12 foxes/km2to 0.74 ± 0.02 foxes/km2. By estimating red fox density, it is possible to define the number of foxes that must be sampled to assess the presence of potential fox‐transmitted diseases that may affect lynx reintroduction.</div>
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