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 LONG-TERM DYNAMICS OF THE SIZE-WEIGHT AND SEXUAL STRUCTURE IN POPULATIONS OF PELOBATES FUSCUS (ANURA, PELOBATIDAE) IN THE MEDVEDITSA RIVER VALLEY (SARATOV REGION) NATURE PROTECTION STATUS OF AMPHIBIANS AND REPTILES IN SARATOV REGION