| Titre : | Ornithologischer Anzeiger 41(1) - April, 2002 |
| Type de document : | Bulletin |
| Paru le : | 00/00/0000 |
Dépouillements
Article
Article
Guenther Nitsche, Auteur ;
Bernd-Ulrich Rudolph, Auteur
This paper presents data from the changes of breeding bird populations in a moor complex in Upper Bavaria over the last 50 years, focussing mainly on the development since 1993. Draining and nutrification of fen meadows as well as drainage and i[...]
Article
The European Bee-eater was breeding twice in the Allgaeu, southern Bavaria: June 2000: 3 nests (1 successful); June to Sept. 2001: 1 successful brood at the unusually high altitude of 720 m asl.
Article
Article
Christian Gubitz, Auteur ;
Heinz Spath, Auteur
Records confirming breeding Ring Ouzels in the Fichtelgebirge were first published in 1993. In the following years further and more detailed research on the distribution of the ring ouzel was carried out here. According to these records, the rin[...]
Article
Since 1992, numerous sections of the Main river and its tributary, the Rodach in Upper Franconia (Germany) have been restored by removing large stones which stabilized the banks. Since these measures were taken, areas are only influenced by floo[...]
Article
Miriam Hansbauer, Auteur ;
Wilfried Langer, Auteur
During spring 2001 a research was conducted about the occurrence of the Middle Spotted Woodpecker (Dendrocopos medius) in the northern part of the Feilenforst, district of Pfaffenhofen. 21 territories of the woodpecker could be investigated in t[...]
Article
Manfred Kraus, Auteur ;
Werner Krauss, Auteur
Common Snipe: No trend regarding sequence of migration and quantitative ratio 1 to 8 of home passage to departure can be ascertained. The number of migratory birds, however, dropped by 84%. An increasing tendency of overwintering is statisticall[...]
Article
Lamberto Ranazzi, Auteur ;
Luca Salvati, Auteur
The proportion of suitable habitat left affects population features of woodland raptors. Here we correlated the proportion of forested areas with Tawny Owl (Strix aluco) density and the amount of wooded areas per owl territory recorded in four d[...]
