[The role of the natural selection in supporting genotypical constancy of natural populations of Bradybaena fruticum (Muller), Mollusca, Gastropoda, as a result of ecological monitoring].

Abstract excerpt

Prolonged 16-year's monitoring has revealed dynamics of genotypical structure in two generations of mollusks from eight natural populations of Bradybaena fruticum in four areas of Moscow region and two Moscow parks. The selection effect was determined through the analysis of shifts of allele frequencies, different age groups of the same generation and adults of different generations were compared. The selection...

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