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Weak population differentiation in northern European populations of the endangered anadromous clupeid Alosa fallax |
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| Authors: | J Volk † D Bekkevold ‡ V Loeschcke † |
| Institution: | Danish Institute for Fisheries Research, Technical University of Denmark, Vejlsøvej 39, DK-8600 Silkeborg, Denmark; and Department of Ecology and Genetics, University of Aarhus, Ny Munkegade, Bygn. 1540, 8000 Aarhus C, Denmark |
| Abstract: | Examination of genetic structure among different spawning populations of the endangered twaite shad Alosa fallax showed statistically significant but weak differentiation estimated using nine microsatellite loci. Results point to substantial gene flow among the majority of individual estuary/river spawning locations, and no evidence that habitat disruption has led to increased local genetic drift. |
| Keywords: | conservation genetics estuarine spawning habitats genetic differentiation microsatellite DNA |