Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 506904
Title Genetic structure among remnant populations of a migratory passerine, the Northern Wheatear Oenanthe oenanthe
Author(s) Oosten, H.H. van; Mueller, Jakob C.; Ottenburghs, Jente; Both, Christiaan; Kempenaers, Bart
Source Ibis 158 (2016)4. - ISSN 0019-1019 - p. 857 - 867.
DOI http://dx.doi.org/10.1111/ibi.12393
Department(s) Resource Ecology
PE&RC
Publication type Refereed Article in a scientific journal
Publication year 2016
Keyword(s) F - Gene flow - Genetic drift - Genetic structuring - Heterozygosity - IMa2 - Microsatellite - MtDNA - Philopatry - Songbird
Abstract

Continuous animal populations often become fragmented due to anthropogenic habitat alterations. These small, fragmented populations are fragile due to demographic and genetic factors, whereas immigration can enhance their long-term viability. Previously, we showed that high philopatry affected the local dynamics of three small and remnant subpopulations of Northern Wheatears in The Netherlands. Here, we show that these three populations together with an additional larger population in the European lowlands are highly genetically differentiated based on 22 microsatellite markers. In contrast, we found no evidence for differentiation using two mitochondrial DNA markers. An IMa2 analysis indicates that gene flow has occurred regularly among our sampled populations. As immigration of colour-ringed birds among our sampled populations is rare at best, our results suggest that the populations have recently become isolated from one another. Low dispersal rates in highly mobile birds may occur when suitable habitat becomes highly fragmented, and will accentuate stochastic demographic processes and inbreeding, both reducing population viability. As dispersal rates are low among populations of Northern Wheatears in The Netherlands, there is only a small probability of recolonization of habitat patches where populations have become locally extinct.

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