Estimating overlap of daily activity patterns from camera trap data

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Authors Martin S. Ridout, Matthew Linkie
Journal/Conference Name Journal of Agricultural, Biological, and Environmental Statistics
Paper Category
Paper Abstract Data from camera traps that record the time of day at which photographs are taken are used widely to study daily activity patterns of photographed species. It is often of interest to compare activity patterns, for example, between males and females of a species or between a predator and a prey species. In this article we propose that the similarity between two activity patterns may be quantified by a measure of the extent to which the patterns overlap. Several methods of estimating this overlap measure are described and their comparative performance for activity data is investigated in a sistudy. The methods are illustrated by comparing activity patterns of three sympatric felid species using data from camera traps in Kerinci Seblat National Park, Sumatra.
Date of publication 2009
Code Programming Language R
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