Population dynamics of white-winged scoters.

Autor:	Krementz, David G., Brown, Patrick W.
Předmět:	*Bird populations Black scoter
Zdroj:	Journal of Wildlife Management. Jan97, Vol. 61 Issue 1, p222. 6p. 2 Charts, 3 Graphs.
Abstrakt:	Examines the population dynamics of white-winged scoters in Alaska. Age ratio of white-winged scoters; Annual survival rates in Atlantic Flyaway; Comparison of scoters' age ratio with waterfowls; Rebound in recruitment by population.
Databáze:	GreenFILE
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