Waterbird Populations and Pressures in the Baltic Sea
Autor: | Jan Durinck, Hans W. Nehls, Szymon Bzoma, Jochen Bellebaum, Andres Kuresoo, Nicole Sonntag, Antra Stipniece, Ramnas Žydelis, Ib Krag Petersen, Gennady Grishanov, Jan Jacob Kieckbusch, Stefan Pihl, Stefan Heinänen, Mindaugas Dagys, Wodzimierz Meissner, Henrik Skov, Markku Mikkola Roos, Jan Kube, Martti Hario, Kjell Larsson, Stefan Garthe, Leho Luigujoe, Leif Nilsson, Andy Stock |
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Jazyk: | angličtina |
Rok vydání: | 2011 |
Předmět: | |
Zdroj: | TemaNord ISBN: 9789289330480 Waterbird Populations and Pressures in the Baltic Sea |
Popis: | This report outlines the results of the internationally coordinated census of wintering waterbirds in the Baltic Sea 2007-2009 undertaken under the SOWBAS project (Status of wintering Waterbird populations in the Baltic Sea). The estimated total number of wintering waterbirds was 4.41 million compared to 7.44 million during the last co-ordinated census 1992-1993. Despite the general declines stable or increasing populations of herbivorous species were recorded. While benthic carnivores with a coastal distribution have either shown moderate declines, stable or increasing populations seaducks with an offshore distribution have declined seriously. Based on analyses of trends in wintering waterbirds and pressures indicators are suggested as performance indicators in relation to the international and national actions taken to reduce the anthropogenic pressures in the Baltic Sea. |
Databáze: | OpenAIRE |
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