| Titre : | British Birds 95(6) - June 2002 |
| Type de document : | Bulletin |
| Paru le : | 00/00/0000 |
Dépouillements
Article
Tim Cleeves, Auteur
Article
Dan Chamberlain, Auteur ;
Juliet Vickery, Auteur
Several farmland bird species have undergone serious population declines during the past 30 years. Evidence from national monitoring schemes co-ordinated by the British Trust for Ornithology indicates that agricultural intensification has been r[...]
