| Titre : | Vogelwelt (Die) 132(1) - 2011 |
| Type de document : | Bulletin |
| Paru le : | 00/00/0000 |
Dépouillements
Article
Helge Neumann, Auteur ;
Martin Ruf, Auteur
Year-round grazing systems characterised by low stocking rates and abandonment of fertilisation and mechanical operations have been established as a cost-effective and practicable tool for conservation and development of open landscapes in Germa[...]
Article
Christof Herrmann, Auteur
At the end of the 18(th) century, in the southern Baltic the Great Cormorant was a rather scarce visitor, but not a breeding bird. The species occur as a breeding bird at first around. 1775 in Denmark and a short time later, at the beginning of [...]
Article
Hans Arens, Auteur
This study aimed at recording return and activity patterns in the breeding period of individual swifts using transponder technology. Four breeding birds and seven juveniles of a small colony in the southern Emsland, Lower Saxony, Northwest Germa[...]
Article
Helge Neumann, Auteur ;
Martin Ruf, Auteur
Year-round grazing systems characterised by low stocking rates and abandonment of fertilisation and mechanical operations have been established as a cost-effective and practicable tool for conservation and development of open landscapes in Germa[...]
Article
Manfred Lang, Auteur
The song flight of Ortolan Bunting is characterised by the unusual combination of conspicuity, rareness and brevity (at maximum 15 s). For the first time, the behavioural pattern is decribed and the vocalization analysed sonagraphically. In the [...]




