| Titre : | Dansk Ornitologisk Forenings Tidsskrift 101(4) - 2007 |
| Type de document : | Bulletin |
| Paru le : | 00/00/0000 |
Dépouillements
Article
The Danish Crane populationen increased from 4-5 pairs in 1990 to c. 60 pairs in 2006, and information on the breeding biology (habitat, behaviour, young production) were collected by the Danish Ornithological Society in parallel with annual mon[...]
Article
Article
Article
Hans Meltofte, Auteur ;
Toke Thomas Hoye, Auteur
Eleven years of monitoring at Zackenberg Research Station in high-arctic Northeast Greenland documented a relatively stable population of about 21-27 pairs of Long-tailed Skuas in a 17.1 km(2) study area. The average density, 1.2-1.6 pairs per k[...]
