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Role of genetic factors in landscape-geographic variation of the water vole (Arvicola terrestris L.) |
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| Authors: | V Yu Kovaleva V M Efimov V I Faleev Yu K Galaktionov S A Abramov G G Nazarova V Yu Muzyka L Yu Epifantseva |
| Institution: | (1) Institute of Animal Systematics and Ecology, Siberian Division, Russian Academy of Sciences, ul. Frunze 11, Novosibirsk, 630091, Russia;(2) Institute of Soil Science and Agrochemistry, Siberian Division, Russian Academy of Sciences, ul. Sovetskaya 37, Novosibirsk, 630000, Russia |
| Abstract: | The geographic variation of the water vole Arvicola terrestris L. has been analyzed with respect to two linear combinations of craniometric characters with the highest additive heritability (h 2 = 0.59 and h 2 = 0.52). The greatest differences have been revealed between the territorially close montane and piedmont populations. The lowland and montane populations have proved to differ to the smallest extent, despite their spatial and altitudinal separation. Selection under extreme conditions that leads to similar phenotypic results may be based on the common genetic background of these populations, irrespective of considerable distances between them and different environmental conditions in their habitats. |
| Keywords: | water vole Arvicola terrestris craniometry geographic variation heredity multivariate analysis |
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