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Ecology, conservation and management of colonial waterbirds in the Mediterranean Region

Alain Jean Crivelli ; Heinz Hafner ; M. Fasola ; R.M. Erwin ; D.A. Mccrimmon 1996

Colonial Waterbirds 19 NS1 227p

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Relationships between nesting populations of wading birds and habitat features along the Atlantic Coast. In: Waterfowl and wetlands symposium: Proceedings of a Symposium on waterfowl and wetland management in the coastal zone of the Atlantic Flyway

R.M. Erwin ; J.A. Spendelow ; P.H. Geissler ; B.K. Williams | [S.l.] : Delaware Department of Natural Resources and Environmental Control. Delaware Coastal Management Program Dover | 1987

Delaware Department of Natural Resources and Environmental Control. Delaware Coastal Management Program Dover (USA) p56-69

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Differences in the feeding behavior of little egrets Egretta garzetta in two habitats in the Camargue, France

R.M. Erwin ; Heinz Hafner ; P. Dugan 1985

Wilson Bull 97(4) p534-538

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Colonial bird monitoring: a strategy for regional and national evaluation. In: Proceedings of a Workshop on Management of nongame species and ecological communities. McCOMB W.

R.M. Erwin ; P.H. Geissler ; M.L. Shaffer ; D.A. Mccrimmon | [S.l.] : University of Kentucky Lexington | 1984

University of Kentucky Lexington (USA) p342-358

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