Estimating isolation and genetic differentiation in two Belgian populations of moorhens Gallinula chloropus by using minisatellite and microsatellite DNA markers
Van Duyse, E.; Galbusera, P.; Schenck, T.; Pinxten, R.; Eens, M. (1999). Estimating isolation and genetic differentiation in two Belgian populations of moorhens Gallinula chloropus by using minisatellite and microsatellite DNA markers. Belg. J. Zool. 129(1): 113-123
In: Belgian Journal of Zoology. Koninklijke Belgische Vereniging voor Dierkunde = Société royale zoologique de Belgique: Gent. ISSN 0777-6276; e-ISSN 2295-0451
Also appears in:
Mees, J. (Ed.) (1999). Proceedings of the 5th Benelux Congress of Zoology Gent, 6-7 November 1998. Belgian Journal of Zoology, 129(1). Koninklijke Belgische Vereniging voor Dierkunde = Société royale zoologique de Belgique: Brussel. 324 pp., more
Isolation of a population can result in decreased genetic variability as a consequence of inbreeding, random genetic drift and reduced gene flow. This effect is reinforced when it concerns as small population. We used two molecular techniques, multilocus minisatellite DNA fingerprinting and microsatellite analysis, to compare population genetic parameters between a small, possibly isolated natural population of moorhens and a large, presumably non-isolated population at a distance of approximately 30 km. Although sample sizes were still relatively low, both minisatellite and microsatellite analysis indicate that the small population is not genetically impoverished, despite located at the centre of a large city. Nevertheless, we found significant between-population genetic differentiation, which suggests that there is little gene flow between the two populations studied.
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