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pro vyhledávání: '"George Didden"'
Autor:
Jane Huff, John Hadidian, Sam Droege, John R. Sauer, Paul Handly, Carolyn Williams, Christopher Swarth, George Didden
Publikováno v:
Urban Ecosystems. 1:87-102
‘DC Birdscape’ was initiated in 1993 to systematically count the birds occurring throughout Washington, D.C. during the breeding season. It involved a coordinated planning effort and partnership between the Audubon Naturalist Society, the Nationa