Konyushkova M. V. RussiaMoscowLomonosov Moscow State University, 1-12 Leninskie Gory, Moscow 119234, Russiaoparinml@mail.ru Author's articles ANALYSIS OF SOIL AND VEGETATION COVER FROM SATELLITE IMAGERY TO ASSESS ITS RELATION WITH LARK HABITATS (ALAUDIDAE, AVES) IN THE TRANS-VOLGA SEMI-DESERT