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Effects of environmental stress on the genetic structure of natural populations of the periwinkles Littorina littorea and Littorina saxatilis (Mollusca, Gastropoda)

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Dutch title: Effecten van omgevingsstress op de genetische structuur van natuurlijke populaties van de alikruiken Littorina littorea en Littorina saxatilis (Mollusca, Gastropoda)
Reference no: P104/BIOL000166
Period: October 1999 till December 2000
Status: Completed

Thesaurus terms: Biological stress; Population dynamics
Taxonomic terms: Littorina littorea (Linnaeus, 1758) [WoRMS]; Littorina saxatilis (Olivi, 1792) [WoRMS]
Geographical term: ANE, Netherlands, Westerschelde [Marine Regions]

Institutes (2)  Top 
  • Universiteit Antwerpen; Faculteit Wetenschappen; Departement Biologie; Onderzoeksgroep Systemisch Fysiologisch en Ecotoxicologisch Onderzoek (SPHERE), more
  • Institutionele werkingstoelagen (v.d. overheid), more, sponsor

Although it is known that environmental stress influences the genetic variability of natural populations, it is not at all clear which factors are responsible for this genetic response. This study will investigate possible effects of salinity and heavy metal pollution on the genetic structure of two periwinkles, with contrasting developmental modes, along a known metal pollution and salinity gradient in the Western Scheldt estuary.

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