| Titre : | How successful do Northern Fulmars (Fulmarus glacialis) breed at Helgoland, southeastern North Sea? (2012) |
| Auteurs : | Kathrin Hueppop, Auteur ; Ommon Hueppop, Auteur |
| Type de document : | Article |
| Dans : | Vogelwarte (50(1) FEB 2012) |
| Article en page(s) : | 3-7 |
| Langues: | Allemand |
| Résumé : | On the island of Helgoland in the south-eastern North Sea (54 degrees 11' N, 7 degrees 52' E) the assumed breeding stock of the Northern Fulmar is recorded yearly as "apparently occupied sites" (AOS) since 1972. In three years of more intensive studies at 41 different, easily observable breeding sites a total of 96 AOS occupied in June generated |



