1. School of Global Studies, Human Ecology, University of Gothenburg, SE 40530, Gothenburg, Sweden
2. Centre for Rural Research, Norwegian University of Science and Technology, N-7491 Trondheim, Norway
3. Directorate for Nature Management, N-7485 Trondheim, Norway
4. Queen Maud University, College Thoning Owesens gt.187044 Trondheim, Norway