Tabachishin V. G. RussiaSaratovSaratov branch of A. N. Severtsov Institute of Ecology and Evolution, Russian Academy of Sciences, 24 Rabochaya Str., Saratov 410028, RussiaTabachishinvg@sevin.ru Author's articles STRUCTURAL DYNAMICS OF THE SPAWNING ANURAN TAXOCENOSES IN FLOODPLAIN LAKES OF THE MEDVEDITSA RIVER VALLEY (SARATOV REGION)