| Titre : | Vogelwelt (Die) 132(2) - 2011 |
| Type de document : | Bulletin |
| Paru le : | 00/00/0000 |
Dépouillements
Article
C. Herrmann, Auteur
Article
Marjam Gues, Auteur ;
Claudia Puerckhauer, Auteur
In Bavaria the population of the Ortolan Bunting is heavily decreasing. Therefore, measures for the protection of Ortolan Bunting are being tested within the scope of the species protection programme of the Landesbund fur Vogelschutz in Bayern e[...]
Article
Wilhelm Meier-Peithmann, Auteur
Since the 1980s swans switched from (semi) aquatic to terrestrial food in their Central European staging and wintering areas. This paper describes the course of this change with circumstances, scale and consequences by the example of the Dannenb[...]
Article
C. Herrmann, Auteur
Article
Lukasz Lawicki, Auteur ;
Przemyslaw Wylegala, Auteur ;
Andrzej Batycki, Auteur ;
Zbigniew Kajzer, Auteur ;
Sebastian Guentzel, Auteur ;
Michal Jasinski, Auteur ;
Robert Kruszyk, Auteur ;
Slawomir Rubacha, Auteur ;
Michal Zmihorski, Auteur
During the periods 1980-1990 and 2000-2010, surveys on breeding populations of waders have been conducted in the 11 largest wet grassland sites in Western Poland, mainly in the valleys of the big rivers Odra, Warta, Noted, and Obra. Changes in t[...]
Article
Torsten Langgemach, Auteur ;
Joerg Boehner, Auteur
Monitoring data for the Lesser Spotted Eagle Aquila pomarina in the federal state of Brandenburg (Germany) since 1994 indicate a continuous and significant decline of the species. In the recent past, several years with extraordinary poor reprodu[...]
Article
Wilhelm Meier-Peithmann, Auteur
Since the 1980s swans switched from (semi) aquatic to terrestrial food in their Central European staging and wintering areas. This paper describes the course of this change with circumstances, scale and consequences by the example of the Dannenb[...]
