| Titre : | Vogelwelt (Die) 129(1) - 2008 |
| Type de document : | Bulletin |
| Paru le : | 00/00/0000 |
Dépouillements
Article
Ian van der Winden, Auteur
The recent updates of estimates of the Eurasian Black Tern population size are reviewed. Based on known densities in European countries, the average density in Asia is calculated. The total Eurasian population is estimated at 120,000 and 248,000[...]
Article
Christof Herrmann, Auteur ;
Hans Wolfgang Nehls, Auteur ;
Jens Gregersen, Auteur ;
Wilfried Knief, Auteur ;
Rolf Larsson, Auteur ;
Jaanus Elts, Auteur ;
Maria Wieloch, Auteur
At the beginning of the 20(th) century, the Baltic Sea did not form part of the breeding range of the Sandwich Tern. However, during the first half of the century the species expanded its range gradually to the northeast, colonising Skane in 191[...]
Article
Ian van der Winden, Auteur
The recent updates of estimates of the Eurasian Black Tern population size are reviewed. Based on known densities in European countries, the average density in Asia is calculated. The total Eurasian population is estimated at 120,000 and 248,000[...]
Article
Thorsten Krueger, Auteur
The lowland of the river Hunte, east of Oldenburg, is a traditional staging and wintering site for Bewick's Swans. First documented in 1861, the species has been reported regularly from the area since 1870. From the total study area of 65 km(2),[...]
Article
Christof Herrmann, Auteur ;
Hans Wolfgang Nehls, Auteur ;
Jens Gregersen, Auteur ;
Wilfried Knief, Auteur ;
Rolf Larsson, Auteur ;
Jaanus Elts, Auteur ;
Maria Wieloch, Auteur
At the beginning of the 20(th) century, the Baltic Sea did not form part of the breeding range of the Sandwich Tern. However, during the first half of the century the species expanded its range gradually to the northeast, colonising Skane in 191[...]
Article
Arne Hegemann, Auteur ;
Petra Salm, Auteur ;
Birgit Beckers, Auteur
The Lapwing and most other farmland birds belong to the most threatened bird species in Germany and western Europe. Although the decline of the breeding population is beyond doubt, data on population size and population development in large area[...]
Article
Arne Hegemann, Auteur ;
Petra Salm, Auteur ;
Birgit Beckers, Auteur
The Lapwing and most other farmland birds belong to the most threatened bird species in Germany and western Europe. Although the decline of the breeding population is beyond doubt, data on population size and population development in large area[...]
