The stability characteristics of trophic relations marsh frog Pelophylax ridibundus (Pallas, 1771) (Amphibia, Anura) under anthropogenic transformation

The article presents data on the taxonomic composition of the diet of the marsh frog near Samara. A reduction in the trophic niches with increasing degree of transformation of the marsh frog habitat in a series of control for industrial buildings 9,06 11,49 9,69 4,51 5,48. It marked increase in the proportion of water bodies in the diet by 14.63% in terms of control to 55.93% for the area of industrial development.