Mazanaeva Lyudmila F. RussiaMakhachkalaDagestan State University, 4 Batyryaya Str., Makhachkala 367000, Russiamazanaev@mail.ru Author's articles On the Reduction of the Area and Abundance of the Greek Tortoise Testudo graeca Linnaeus, 1758 (Testudinidae, Reptilia) on the Primorsky Lowland of Dagestan and Problems of its Conservation