Authors
Matthew J Kauffman, M Sanjayan, Jacob Heen Lowenstein, Adam Nelson, Richard M Jeo, Kevin R Crooks
Publication date
2007/1/1
Journal
Oryx
Volume
41
Issue
01
Pages
70-78
Publisher
Cambridge University Press
Description
Assessing the abundance and distribution of mammalian carnivores is vital for understanding their ecology and providing for their long-term conservation. Because of the difficulty of trapping and handling carnivores many studies have relied on abundance indices that may not accurately reflect real abundance and distribution patterns. We developed statistical analyses that detect spatial correlation in visitation data from combined scent station and camera-trap surveys, and we illustrate how to use such data to make inferences about changes in carnivore assemblages. As a case study we compared the carnivore communities of adjacent communal and freehold rangelands in central Namibia. We used an index of overdispersion to test for repeat visits to individual camera-trap scent stations and a bootstrap simulation to test for correlations in visits to camera neighbourhoods. After distilling our presence-absence …
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