Affiliation: | 1. Centre for Ecology &2. Hydrology, Bush Estate, Penicuik, Midlothian EH26 0QB, UKmph@ceh.ac.uk;4. Hydrology, Bush Estate, Penicuik, Midlothian EH26 0QB, UK;5. Norwegian Institute for Nature Research, FRAM – High North Research Centre on Climate and the Environment, 9296 Troms?, Norway;6. Norwegian Institute for Nature Research, 7485 Trondheim, Norway;7. Department of Biology, Centre for Conservation Biology, Norwegian University of Science and Technology, 7049 Trondheim, Norway |