First look on the home range, movement, and habitat selection of the invasive Northern raccoon (Procyon lotor) in France through two contrasted populations
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Abstract
Introduction of invasive alien species (IAS) is one of the main threats to biodiversity. The Northern raccoon (Procyon lotor), here after named “raccoon,” recently introduced and rapidly expanding in three main populations in France, is one of the 47 IAS of concern in the European Union. At this date, there is no study on the ecology of the raccoon in France, yet the acquisition of knowledge of the species in its new environment is an essential step for a better evaluation of its impacts and improving its management. We studied space use and habitat selection by French raccoons in a rural population in the Marne department and in a suburban population in Gironde department, respectively, by tracking 14 individuals with GPS collars between May 2019 and August 2021. We estimated the home ranges’ size using minimum convex polygon (MCP), adaptative local convex hull (a-LoCoH), and dynamic Brownian bridge motion model (dBBMM). Habitat selection was studied at the second and third order using Ivlev’s electivity index and integrated step selection analysis (iSSA) models, respectively. Our results show that raccoons of the rural population have home ranges twice larger than those of the suburban population. Habitats are selected differently according to the population, highlighting the great plasticity of the raccoon. Woodlands are the most used habitats for both populations; however, anthropized areas also appear to be very attractive for the rural population. Surprisingly, this is not the case for the suburban population, which tends to avoid these habitats in favor of the wetland.
期刊介绍：
Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance.
Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.
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