1. Department of Arctic and Marine Biology UiT The Arctic University of Norway Tromsø 9037 Norway
2. The New Zealand Institute for Plant and Food Research Ltd Palmerston North 4410 New Zealand
3. School of Biological Sciences University of Auckland Auckland 1142 New Zealand
4. Department of Ecology and Genetics University of Oulu Oulu 90014 Finland
5. The New Zealand Institute for Plant and Food Research Ltd Auckland 1025 New Zealand
6. Norwegian Institute of Bioeconomy Research (NIBIO) Ås 1431 Norway