Genetic Variability in Island Populations of Two Rodent Species: Bank Vole (Myodes glareolus) and Yellow-Necked Mouse (Apodemus flavicollis)
PBN-AR
Instytucja
Muzeum i Instytut Zoologii Polskiej Akademii Nauk
Informacje podstawowe
Główny język publikacji
EN
Czasopismo
Annales Zoologici Fennici
ISSN
0003-455X
EISSN
1797-2450
Wydawca
Finnish Zoological and Botanical Publishing Board
Rok publikacji
2015
Numer zeszytu
3
Strony od-do
145-159
Numer tomu
52
Identyfikator DOI
Liczba arkuszy
1,5
Słowa kluczowe
EN
EN
RODENT population genetics
YELLOW-necked mouse
CLETHRIONOMYS glareolus
ANIMAL diversity
SPECIES distribution
ANIMAL genome mapping
MAMMAL behavior
Streszczenia
Język
EN
Treść
We examined changes in genetic diversity in populations of two small mammal species inhabiting islands on a lake. We hypothesized that a less mobile species, such as the bank vole, would lose genetic diversity quicker than the yellow-necked mouse, which can more easily cross habitat barriers. In contrast to this we found that the effects of isolation were much more prominent in the case of the mouse than the vole. In the vole population, on the larger island, genetic diversity remained constant over subsequent years in spite of marked isolation. On the smaller island, we noted an increase in genetic diversity which was probably caused by immigration of a small group of individuals. Genetic diversity in the mouse population decreased markedly over the course of the study. In the bank vole, the preservation of genetic diversity, especially on the larger island, may have been possible due to the specific spatial and social organization of this species, which allows the maintenance of a relatively stable number of individuals. In contrast to the bank vole, the lack of territorial behavior in adult females of yellow-necked mice may lead to frequent dramatic seasonal 'booms and busts' in population size and genetic diversity. This can lead to extremely low numbers of mice, which are likely to lead to the extinction of some island populations.
Inne
System-identifier
259
CrossrefMetadata from Crossref logo
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