Анотація:
Present paper is based on the materials of studies on the Cormorant ecology, biology and distribution, carried out by the Institute of Zoology of the National Academy of Sciences of Belarus in 2005. An analysis of factors that influence the species numbers is given. These investigations were carried out on task of the Ministry of Natural Resources and Environmental Protection in Belarus and aimed at elaboration of proposals on a reduction of damage from fish-eating birds to fish-farming.