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Article
Jochen Bellebaum, Auteur ; K. Lesley Szostek, Auteur ; Janusz Kloskowski, AuteurRed-necked Grebe (RNG) breeding numbers have been declining in parts of Europe for more than 10 years. We have examined population trends and estimated, for the first time, survival rates of RNGs in a population in eastern Poland in order to exp[...]
Article
K. Lesley Szostek, Auteur ; Peter H. Becker, Auteur ; Barbara C. Meyer, Auteur ; Stefan R. Sudmann, Auteur ; Heribert Zintl, AuteurDensity is known to be an important factor in population size regulation. Several mechanisms of density limitation have been identified in colonial birds. We studied competition in Common Terns Sterna hirundo to assess whether the factor limitin[...]
Article
K. Lesley Szostek, Auteur ; Peter H. Becker, AuteurThe nationally endangered breeding population of Common Terns Sterna hirundo in the German Wadden Sea has been rapidly declining in recent years. In an attempt to identify the causes for this decline we analysed the demography of the Jade Bay po[...]
