Balancing between predation risk and food by boreal breeding ducks
Sari Holopainen 1, Elmo Miettinen2,
Veli-Matti Väänänen 1, Petri Nummi1and Hannu Pöysä3
1. Department of Forest Sciences, P.O. Box 27, University of Helsinki,
FI-00014 Helsinki, Finland. e-mail: sari.holopainen@helsinki.fi. Phone :
+358-504489538. Orcid: 0000-0002-3271-4468
2. Organismal and Evolutionary Biology Research Programme, Faculty of
Biological and Environmental Sciences, P.O.Box 62, University of
Helsinki, FI-00014 Helsinki, Finland. Orcid: 0000-0002-5354-7531
3. University of Eastern Finland, Department of Environmental and
Biological Sciences, POB 111, FI-80101 Joensuu, Finland.