Yermokhin Mikhail Valentinovich RussiaSaratovSaratov State University, 83 Astrakhanskaya Str., Saratov 410012ecoton@rambler.ru Author's articles REPRODUCTIVE PARAMETERS OF BOMBINA BOMBINA AND PELOPHYLAX RIDIBUNDUS (AMPHIBIA, ANURA) FEMALES AS FUNCTIONS OF THEIR SIZE AND WEIGHT CHARACTERISTICS ON THE WINTER ACTIVITY OF MARSH FROG – PELOPHYLAX RIDIBUNDUS IN THE BALAKOVO NPS COOLING POND