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On the basis of SSR-method the genetic structure of marsh frog populations (Pelophylax ridibundus) in the urbanized area of Belgorod and its suburbs was studied. The data obtained indicate a high level of genetic variability in the populations studied. The heterozygosity level was equal to He=0.731±0.027, Ho=0.587±0.037, Shannon index I=1.737±0.082, and the effective number of alleles Ae=4.992±0.364. However, in a number of populations there is a trend towards a decrease in genetic diversity and an increase in the level of inbreeding. Keywords—Pelophylax ridibundus, SSR, population, urbanized area

Analysis of the Genetic Structure of the Populations of Marsh Frog (Pelophylax Ridibundus) in the Impact Territories of the City of Belgorod on the Basis of Microsatellite Markers of DNA