Wolf Movement Patterns: a Key to Estimation of Kill Rate?

作者: BARBARA ZIMMERMANN , PETTER WABAKKEN , HÅKAN SAND , HANS C. PEDERSEN , OLOF LIBERG

DOI: 10.2193/2006-306

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摘要: Abstract To estimate wolf (Canis lupus) kill rates from fine-scale movement patterns, we followed adult wolves in 3 territories of the Scandinavian population using Global Positioning Systems (GPS) during winters 2001–2003. The resulting 6 datasets 62–84 study days gave a total 8,747 hourly GPS positions. We visited clusters positions field on average 8.8 after positioning and found moose (Alces alces) killed by period 74 (8%) 953 clusters. number visits to cluster, their interaction, proportion afternoon were significant fixed effects mixed logistic-regression models predicting probability cluster containing wolf-killed moose. models, however, displayed poor goodness-of-fit not suitable tool for estimating data alone. They might be used reduce fieldwork excluding unlikely clusters, although reduction was substantial. dis...

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