Roosting waterbirds at the Osterems, German Wadden Sea: seasonal and spatial trends studied by aerial and ground surveys
Scheiffarth, G.; Becker, P.H. (2008). Roosting waterbirds at the Osterems, German Wadden Sea: seasonal and spatial trends studied by aerial and ground surveys. Senckenb. Marit. 38(2): 137-142
In: Senckenbergiana Maritima: Wissenschaftliche Mitteilungen der Senckenbergischen naturforschenden Gesellschaft. E. Schweizerbart'sche Verlagsbuchhandlung (Nägele u. Obermiller): Stuttgart. ISSN 0080-889X, meer
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