| Titre : | Vogelwarte 44(1) - FEB 2006 |
| Type de document : | Bulletin |
| Paru le : | 00/00/0000 |
Dépouillements
Article
Barbara Helm, Auteur
Article
Volker Salewski, Auteur ;
Franz Bairlein, Auteur ;
Bernd Leisler, Auteur
one of the main questions of former studies on the wintering ecology of long distance migrants is how migrants partition resources with residents in their winter quarters and to what extent competition between the two groups plays a role for the[...]
Article
Frank D. Steinheimer, Auteur
Article
Marc I. Forschler, Auteur
A comparison of Citril Finch populations at traditional postbreeding assembling sites in the northern Black Forest comfirmed a significant decline of the species. Possible reasons may be found in changes in land use due to the end of traditional[...]
