1. S. Holopainen (sari.holopainen@helsinki.fi), C. Arzel, P. Nummi and V.-M. Väänänen, Dept of Forest S
2. J. Elmberg and G. Gunnarsson, Faculty of Science, Kristianstad Univ., Kristianstad, Sweden.
3. A. D. Fox, Dept of Bioscience, Aarhus Univ., Kalø, Rønde, Denmark.
4. M. Guillemain, Office National de la Chasse et de la Faune Sauvage, Unité Avifaune Migratrice, La To
5. K. Sjöberg, Dept of Wildlife, Fish, and Environmental Studies, Swedish Univ. of Agricultural Science
6. M. Alhainen, Finnish Wildlife Agency, Helsinki, Finland
7. H. Pöysä, Management and Production of Renewable Resources, Natural Resources Inst. Finland, Joensuu