Gazimagomedova Isabela K. RussiaMakhachkalaDagestan State University, 43a Gadzhieva St., Makhachkala 367025, Russiakurbanova_i9@mail.ru Author's articles On the issue of the thermal adaptation of the larvae caucasian brown frog Rаna macrocnemis Boulenger, 1885 (Amphibia, Ranidae) to low-temperature environmental conditions