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Using Stable Isotope Analysis To Quantify Anthropogenic Foraging In Black Bears, Jerod A. Merkle, Jonathan J. Derbridge, Paul R. Krausman
Using Stable Isotope Analysis To Quantify Anthropogenic Foraging In Black Bears, Jerod A. Merkle, Jonathan J. Derbridge, Paul R. Krausman
Human–Wildlife Interactions
Deciding whether to monitor, aversively condition, relocate, or destroy a problem black bear (Ursus americanus) can be difficult for wildlife managers. Understanding the extent of anthropogenic foraging within bear populations can provide insight for management decisions about black bears. An innovative way to estimate opportunistically the amount of anthropogenic food in an individual or a population of bears is through stable isotope analysis (SIA), where hair samples can provide an index of assimilated nutrients (i.e., diet) for the period of hair growth. Our objective was to use SIA to determine whether there was a difference between diets of …