Spatial Distribution of Black Bear Incident Reports in Michigan

摘要: Interactions between humans and carnivores have existed for centuries due to competition food space. American black bears are increasing in abundance populations expanding geographically many portions of its range, including areas that also human density, often resulting associated increases human-bear conflict (hereafter, bear incidents). We used public reports incidents Michigan, USA, from 2003–2011 assess the relative contributions ecological anthropogenic variables explaining spatial distribution estimated potential risk incidents. weighted Normalized Difference Vegetation Index mean as an index primary productivity, region (i.e., Upper Peninsula or Lower Peninsula), secondary road densities, percentage land cover type within 6.5-km2 circular buffers around random points. developed 22 a priori models generalized linear Akaike’s Information Criterion (AIC) rank models. The global model was best compromise complexity fit (w = 0.99), with ΔAIC 8.99 units second performing model. found deciduous forest increased, probability incident occurrence increased. Among measured variables, cultivated crops roads were most important our AIC-best both positively related occurrence. varied markedly throughout Michigan. Forest fragmented agriculture other activities presents environment likely facilitates Our map can help wildlife managers identify occurrence, which turn be develop strategies aimed at reducing Researchers use similar mapping techniques locations specific types address impacts on endangered species.