1. Centre for Biodiversity Dynamics (CBD) Trondheim Norway
2. Department of Biology Norwegian University of Science and Technology (NTNU) Trondheim Norway
3. Department of Teacher Education Norwegian University of Science and Technology (NTNU) Trondheim Norway
4. Department of Mathematical Sciences Norwegian University of Science and Technology (NTNU) Trondheim Norway
5. Norwegian Institute for Nature Research (NINA) Trondheim Norway
6. Department of Biological and Environmental Science University of Jyväskylä Jyväskylän Finland