First look on the home range, movement, and habitat selection of the invasive Northern raccoon (Procyon lotor) in France through two contrasted populations

IF 1.8 3区生物学 Q3 ECOLOGY European Journal of Wildlife Research Pub Date : 2023-12-15 DOI:10.1007/s10344-023-01756-1

Manon Gautrelet, Jean-François Gerard, Rémi Helder, Pascal Fournier, Christine Fournier-Chambrillon, Pauline Hubert, Estelle Isère-Laoué, Lucille Capitaine, Maëlle Dupuy, Lucie Dispan de Floran, Clémence Alleman, Alain Devos

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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.

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通过两个不同的种群，首次了解入侵的北浣熊（Procyon lotor）在法国的活动范围、移动和栖息地选择情况

摘要外来入侵物种（IAS）的引入是生物多样性面临的主要威胁之一。北浣熊（Procyon lotor），下文命名为 "浣熊"，最近被引入法国并在三个主要种群中迅速扩展，是欧盟关注的 47 种 IAS 之一。迄今为止，法国还没有关于浣熊生态学的研究，然而了解该物种在新环境中的情况是更好地评估其影响和改善其管理的必要步骤。我们在2019年5月至2021年8月期间，分别在马恩省的一个农村种群和吉伦特省的一个郊区种群中，通过GPS项圈追踪14只浣熊，研究了法国浣熊的空间利用和栖息地选择情况。我们使用最小凸多边形（MCP）、适应性局部凸壳（a-LoCoH）和动态布朗桥运动模型（dBBMM）估算了浣熊的家园范围大小。伊夫列夫选择指数（Ivlev's electivity index）和综合阶跃选择分析（iSSA）模型分别对生境选择进行了二阶和三阶研究。结果表明，农村种群浣熊的家园范围是郊区种群的两倍。不同种群的浣熊对栖息地的选择也不同，这凸显了浣熊的巨大可塑性。林地是两种浣熊都最常去的栖息地；然而，人类化区域似乎对农村浣熊也很有吸引力。令人惊讶的是，郊区种群的情况并非如此，它们往往会避开这些栖息地，而选择湿地。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

European Journal of Wildlife Research 生物-动物学

CiteScore

3.40

自引率

5.00%

发文量

审稿时长

2 months

期刊介绍： European Journal of Wildlife Research focuses on all aspects of wildlife biology. Main areas are: applied wildlife ecology; diseases affecting wildlife population dynamics, conservation, economy or public health; ecotoxicology; management for conservation, hunting or pest control; population genetics; and the sustainable use of wildlife as a natural resource. Contributions to socio-cultural aspects of human-wildlife relationships and to the history and sociology of hunting will also be considered.