Dynamics of spring concentrations of waterfowl on the Olonets fields of Karelia in 2010 and 2011

Artemiev A.V. Zimin V.B. Lapshin N.V. Simonov S.A. Loginov I.I.

Journal: Русский орнитологический журнал @ornis

Article in issue: 706 т.20, 2011.