title: Comment to 'Opdal AF, Jørgensen C (2015) Long-term change in a behavioural trait: truncated spawning distribution and demography in Northeast Arctic cod. Global Change Biology, 21:4, 1521-1530, doi: 10.1111/gcb.12773'.
authors.affiliation: Institute of Marine Research and Hjort Centre for Marine Ecosystem Dynamics, P.O. Box 1870 Nordnes, Bergen, N-5817, Norway.
authors.forename: Svein
authors.initials: S
authors.lastname: Sundby
keywords: Atlantic cod; climate impacts; demography; spawning migration; stock distribution; subarctic ecosystem