1. Dept of Ecology, Faculty of Environmental Sciences, Czech Univ. of Life Sciences Prague Prague Czech Republic
2. Dept of Evolutionary Zoology and Human Biology, Univ. of Debrecen Debrecen Hungary
3. Dept of Animal and Plant Sciences, Univ. of Sheffield Western Bank Sheffield UK
4. Dept of Biodiversity Research, Global Change Research Inst., Czech Academy of Sciences Brno Czech Republic
5. Dept of Zoology and Centre For Polar Ecology, Faculty of Science, University of South Bohemia České Budějovice Czech Republic
6. Center for Historical Ornithology Prague Czech Republic
7. Dept of Ecology, Faculty of Science, Charles Univ. Prague Czech Republic
8. Center for Theoretical Study, Charles Univ. and Czech Academy of Science Prague Czech Republic
9. Dept of Ecosystem Biology, Faculty of Science, Univ. of South Bohemia České Budějovice Czech Republic