Article
Density-dependent selection in a fluctuating ungulate population.
Proceedings. Biological sciences - 22 Jan 1996
Moorcroft P R, Albon S D, Pemberton J M, Stevenson I R, Clutton-Brock T H
Abstract excerpt
Despite considerable theoretical interest no direct examples of density-dependent natural selection acting on simple polymorphic variation have been documented in a natural population. Here we show that the magnitude of selective differences in survival between phenotypes in two conspicuous polymorphisms of coat colour and horn type in Soay sheep Ovis aries living on St Kilda, Scotland are associated with marked...
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