Trofimova Liudmila S. RussiaMoscow regionFederal Williams Research Center of Forage Production and Agroecology, 1 Science Town, Lobnya, Moscow region 141055, Russialstrofi@mail.ru Author's articles Long-term Dynamics of the Community Structure of Larks (Alaudidae, Aves) in the North-Western Caspian Lowland