Estimation of Muscardinus avellanarius population density by live-trapping

Common dormouse (Muscardinus avellanarius) density in Transylvanian Plain is investigated using live-traps. Estimated population size is 39 individuals. Results using non-spatial methods combined with ad hoc calculations of the effective trapping area overestimated common dormouse density, both when...

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Veröffentlicht in:Folia zoologica (Brno) 2015-12, Vol.64 (4), p.325-329
Hauptverfasser: Sevianu, Eliana, Stermin, Alexandru N.
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description Common dormouse (Muscardinus avellanarius) density in Transylvanian Plain is investigated using live-traps. Estimated population size is 39 individuals. Results using non-spatial methods combined with ad hoc calculations of the effective trapping area overestimated common dormouse density, both when using the naïve density estimation (27 ind./ha) and also when the “edge-effect” was accounted for by the addition of a boundary strip (16 ind./ha). Compared with published results using the same methods, our results are yet significantly higher. Spatially explicit capture-recapture approach yields lower density, of 13 ind./ha (maximum likelihood estimate), but still one of the highest densities reported for the species. Interspecific competition for traps was negligible at our study site.
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subjects Animal populations
common dormouse
Density
Distribution
effective trapping area
Hazel dormouse
Measurement
Methods
population size
SECR
Studies
Trapping
title Estimation of Muscardinus avellanarius population density by live-trapping
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