Fine-scale genetic structure suggests low levels of short-range gene flow in a wolf population of the Italian Apennines
作者： Massimo Scandura , Laura Iacolina , Claudia Capitani , Andrea Gazzola , Luca Mattioli
DOI: 10.1007/S10344-011-0509-Y
关键词: Gene flow 、 Range (biology) 、 Ecology 、 Canis 、 Disease cluster 、 Biology 、 Microsatellite 、 Population 、 Genetic structure 、 Biological dispersal 、 Ecology (disciplines) 、 Animal Science and Zoology 、 Ecology, Evolution, Behavior and Systematics 、 Management, Monitoring, Policy and Law 、 Nature and Landscape Conservation
摘要: We investigated local gene flow in a high-density wolf (Canis lupus) population of the Italian Apennines, where no effective barrier to dispersal was present. From 1998 2004 we examined carcasses and non-invasively collected samples, focusing on three mountain districts, separated by two valleys, packs showed high spatial stability. Using nine autosomal microsatellites successfully genotyped 177 achieving identification 74 wolves. Genetic relatedness steeply decreased with increasing distance between sampling areas, thus suggesting that short-distance interpack migration is infrequent this population. In addition, individual from central pack under intensive monitoring sampled range surrounding over 4-year period. The limited resulted cryptic genetic structure, which revealed Bayesian analysis. A different cluster found each small proportion first-generation immigrants detected. Overall, present study suggests differentiation wolves might arise stability can be favoured combination long-range dispersal, attitude mate unrelated individuals young mortality rate.
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