| Titre : | Limosa 74(2) - 2001 |
| Type de document : | Bulletin |
| Paru le : | 01/04/2001 |
Dépouillements
Article
Joep J. de Leeuw, Auteur
Dans
Limosa (74(2) 2001)
If fish-eating birds and fishery utilize the same species of prey fish, it is often assumed that there is strong competition for their common resource. The implicit assumption that the removal of any prey fish results in a loss of benefit for th[...]
Article
Peter L. Meininger, Auteur ;
Wim J. ter Keurs, Auteur
Dans
Limosa (74(2) 2001)
This note summarises the results of an old census of a night-roost of Corvidae in the Duivenvoordse-Veenzijdse Polder, between Den Haag and Leiden, Province Zuid-Holland, on 2 February 1974. It focuses on the number of Hooded Crows Corvus cornix[...]
Article
Ken Kraaijeveld, Auteur ;
Femmie Kraaijeveld-Smit, Auteur
Dans
Limosa (74(2) 2001)
With the development of new techniques in molecular genetics, many have become available to the ecologically or behaviourally oriented biologist. This paper explains three of the methods most commonly used in ornithology: phylogenetic and popula[...]
Article
Meinte Engelmoer, Auteur ;
Johan Taal, Auteur ;
Eddy Wymenga, Auteur ;
Robert Kuipers, Auteur
Dans
Limosa (74(2) 2001)
Until recently, the Frisian Wadden Sea coast (Fig. 1) harboured the largest concentrations of Brent Geese during spring migration in The Netherlands. The area is also one of the principal wintering sites for Barnacle Geese in The Netherlands, an[...]
