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On an island sized 800 m2 near Radolfzell at least 18 Mute Swans were breeding in May 2004. The level of the lake was very low and the reed lay dry. When the level of the lake rose at the beginning of June by 60 cm, the stock was regulated, only[...]
Article
Markus Peintinger, Auteur ; Siegfried Schuster, AuteurGlobal change affects the timing of bird migration. It presumed (and has been shown) that, (1) species arrived earlier in spring and that (2) this response to climate change is stronger in short-distance than in long-distance migratory species. [...]
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This paper describes the moulting sites, timing and numbers of the 17 waterbird species regularly moulting their flight feathers at Lake Constance. The data presented include 90 observations of Black-throated Divers in flight feather moult (flig[...]
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Siegfried Schuster, Auteur ; Arne Brall, AuteurThe breeding birds in three line transects at Lake Constance were censused between 1968 and 2001 (2004). After a strong decrease of species diversity at the beginning of the study, a constant or even increasing trend was observed since 1985. An [...]
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Siegfried Schuster, Auteur ; Klaus Schilhansl, Auteur ; Markus Peintinger, AuteurThe long-term population dynamics of wintering Buzzards and Kestrels were studied at two sites in Southwest Germany. At Lake Constance, the January populations were recorded at three 10 km2 study sites between 1968 and 2001. In addition, at two [...]
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Siegfried Schuster, AuteurClimate change has markedly affected the migratory and breeding behaviour of indigenous species since the 1950s, and has led to major changes of their breeding and wintering areas in some of them. In the south of Germany, and in Vorarlberg and n[...]
