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Article
Martin Flade, Auteur ; Christoph Sudfeldt, Auteur ; Krista Dziewiaty, Auteur ; Hermann Hoetker, Auteur ; Joerg Hoffmann, Auteur ; Petra Bernardy, Auteur ; Jan Dieter Ludwigs, Auteur ; Ralf Joest, Auteur ; Torsten Langgemach, Auteur ; Lutz Achilles, Auteur ; Hilke Ruehmkorf, Auteur ; Robert Tuellinghoff, Auteur ; Benedilct Giessing, Auteur ; Mathias Kramer, Auteur ; Sven Trautmann, Auteur ; Malice Dankelmann, Auteur
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Ralf Joest, Auteur ; G. M. Arroyo, Auteur ; Hermann Hoetker, Auteur ; G. Henk Visser, Auteur
Article
Hermann Hoetker, Auteur ; Heike Jeromin, Auteur ; Johannes Melter, AuteurA high proportion of bird species breeding in Germany has population sizes that are too small to be covered adequately by the monitoring of common bird species. On the other hand, many of these species are too common to be included in monitoring[...]
Article
Hermann Hoetker, Auteur ; Heike Jeromin, Auteur ; Johannes Melter, AuteurA high proportion of bird species breeding in Germany has population sizes that are too small to be covered adequately by the monitoring of common bird species. On the other hand, many of these species are too common to be included in monitoring[...]
Article
Hermann Hoetker, Auteur ; Kai-Michael Thomsen, Auteur ; Heike Jeromin, AuteurAn evaluation of 127 studies of wind farms in ten countries, mostly in Germany, revealed the following results about the impact of wind farms on larger birds:The main potential hazards to birds from wind farms are disturbance leading to displace[...]
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Hermann Hoetker, Auteur ; Claus Ivens, Auteur ; Heike Koester, AuteurThe last stronghold of the breeding Population of Black Terns in Schleswig-Holstein (Germany) is the marshlands of the peninsula of Eiderstedt. The Black Tern population, however, is threatened there. In the breeding seasons of 2002 and 2003 we [...]
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Hermann Hoetker, AuteurBetween 7th and 14th October 2003, a census of Golden Plover with an almost complete coverage of all Germany revealed 213,193 individuals. Most Golden Plovers were counted in Schleswig-Holstein (88,702), Lower Saxony (55,809) and Mecklenburg-Vor[...]
Article
In many colonial bird species there is considerable intraspecific variation in colony size and inter-nest distance (colony density). Possible causes of this variation and its effects on hatching success (survival of eggs) and breeding success (p[...]
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Stefan Thyen, Auteur ; Peter H. Becker, Auteur ; Klaus-Michael Exo, Auteur ; Bernd Haelterlein, Auteur ; Hermann Hoetker, Auteur ; Peter Suedbeck, AuteurIn the framework of the "Trilateral Monitoring and Assessment Program" (TMAP), a pilot study on monitoring breeding success of coastal birds was carried out in 1996 and 1997. The objective of this study was to test the applicability of the metho[...]
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Hermann Hoetker, Auteur ; Jan van der Winden, AuteurAfter a strong decline the size of the population of Black Terns breeding in Germany and the Netherlands remained stable between 1990 and 2003. The number of breeding pairs in Germany fluctuated between 832 and 1002 without any apparent trend. T[...]
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Maja Roodbergen, Auteur ; Bert van der Werf, Auteur ; Hermann Hoetker, AuteurIn this review, we summarize available data on nest success, chick survival and reproductive output, and adult and juvenile survival of five meadow breeding waders in Europe: Eurasian Oystercatcher (Haematopus ostralegus), Northern Lapwing (Vane[...]
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Hermann Hoetker, Auteur ; Hans-Guenther Bauer, Auteur ; Martin Flade, Auteur ; Alexander Mitschke, Auteur ; Christoph Sudfeldt, Auteur ; Peter Suedbeck, AuteurThis overview of recent bird population developments in Germany is based on information presented in this and the two preceding VOGELWELT issues, the 2nd report on the state of birds in Germany (1st report see VOGELWELT 117: 165-365 (1996)), and[...]
