| Titre : | Vogelwarte 48(1) - FEB 2010 |
| Type de document : | Bulletin |
| Paru le : | 01/02/2010 |
Dépouillements
Article
Jan Baer, Auteur ;
Manuel Konrad, Auteur
The brown trout Salmo trutta stock in a small near-natural tributary of the river Danube was monitored during six consecutive years To protect the local fish community against existing predation by cormorants, after the first year of the study r[...]
Article
Einhard Bezzel, Auteur
In 1978-1987 122 bird species were recorded by several well trained birdwatchers in daily checks at a study plot of eight ha between mountain forest and gardens in a valley of the Bavarian Alps (Germany) at 811 m asl. with six (596) species pres[...]
Article
Roland Prinzinger, Auteur
Article
Ralf Siano, Auteur
Article
Reinhold Necker, Auteur
Many buds stand on one leg when resting on the ground The leg is positioned in a way which needs not much energy In long-legged birds the body is far from the ground which may require special adaptations to keeping balance Snapping mechanisms wh[...]
Article
Michael R. Preusch, Auteur ;
Joerg Edelmann, Auteur
For hundreds of years Kestrels and Barn Owls have populated settled areas in southern Germany Reproduction rates show huge variations without any strict correlation between the two species In the present study we investigate the population dynam[...]
Article
Jochen Bellebaum, Auteur ;
Ulrich Koeppen, Auteur ;
Bodo Grajetzky, Auteur
Estimates of survival probabilities and reproduction in bird populations are of increasing importance for population modelling We used the free software MARK with data from the Hiddensee ringing scheme and a local colour ringing study on 110 Rob[...]
