Home – Home – Jornals – Contemporary Problems of Ecology 2010 number 1

Monitoring of lesser swan was carried out during the years 1982-1995, 2007. The length of aerial count routes was 48 thousand km. An increase in the number of population and broadening of the habitat to the northern and western directions were detected. The data on the number dynamics, geographical distribution, social structure, reproduction indices are reported. Ecological problems connected with an increase in the number of swans are discussed.