1. Natural History Museum, University of Oslo, Sars’ gate 1, 0562 Oslo, Norway
2. Nature Metrics Ltd, CABI Site, Bakeham Lane, Egham, Surrey TW20 9TY, United Kingdom
3. Department of Environmental Systems Science, ETH Zurich, Universitätstrasse 16, CH-8092 Zurich, Switzerland
4. Department of Integrative Biology, University of Guelph, 50 Stone Road East, Guelph, Ontario N1G 2W1, Canada