Female in the inside, male in the outside: insights into the spatial organization of a European wildcat population

Springer Science and Business Media LLC - Tập 17 - Trang 1405-1415 - 2016
Marie-Pauline Beugin1,2,3, Guillaume Leblanc4, Guillaume Queney3, Eugenia Natoli5, Dominique Pontier1,2,3
1Université de Lyon, Lyon, France
2Université Lyon 1, CNRS, UMR 5558, Laboratoire de Biométrie et Biologie Evolutive, Villeurbanne, France
3Animal Genomics Laboratory, ANTAGENE, Lyon, France
4Association LOANA, Lorraine Association Nature, Champougny, France
5Veterinary Hospital, Azienda USL Rome D, Area Dipartementale Sanità Pubblica Veterinaria, Rome, Italy

Tóm tắt

Hybridization between the European wildcat, Felis silvestris silvestris, and the domestic cat, Felis silvestris catus, has been found in several European countries with different landscape structures and in various proportions. In this study, we focus on a local population of European wildcats in forests fragmented by agricultural lands in northeastern France. Our aim is to better understand how the spatial organization of the wildcats in this particular type of environment might impact the proportion of hybridization. We combined radio-tracking and genetics through the use of microsatellite markers in order to assess both the spacing pattern and the level of hybridization of this wildcat population. Hybridization is rare in this wildcat population with only one putative hybrid (most likely backcrossed) detected out of 42 putative wildcats. We found that most females were concentrated inside the forest while males stood in the periphery or outside the forest. Furthermore, many males and females resulted related. Such a spacing pattern might limit contacts between male domestic cats and female wildcats and can be one of the causes that explain the low level of hybridization in the wildcat population in this environment. We could not exclude the possibility of hybrid presence in the neighboring domestic cat populations. Our results yield new insights on the influence that the landscape configuration and the spacing pattern can have on genetic flow between the populations of the two subspecies.

Tài liệu tham khảo

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