Seafood from a changing Arctic

Author(s): Troell, M., Eide, A., Isaksen, J., Hermansen, Ø., Crépin, A-C.
In: Ambio 46(Suppl 3): 368. https://doi.org/10.1007/s13280-017-0954-2
Year: 2017
Type: Journal / article
Theme affiliation: Marine
Link to centre authors: Crépin, Anne-Sophie, Troell, Max
Full reference: Troell, M., Eide, A., Isaksen, J., Hermansen, Ø., Crépin, A-C. 2017. Seafood from a changing Arctic. Ambio 46(Suppl 3): 368. https://doi.org/10.1007/s13280-017-0954-2

Summary

We review current knowledge about climate change impacts on Arctic seafood production. Large-scale changes in the Arctic marine food web can be expected for the next 40–100 years. Possible future trajectories under climate change for Arctic capture fisheries anticipate the movement of aquatic species into new waters and changed the dynamics of existing species. Negative consequences are expected for some fish stocks but others like the Barents Sea cod (Gadus morhua) may instead increase. Arctic aquaculture that constitutes about 2% of global farming is mainly made up of Norwegian salmon (Salmo salar) farming. The sector will face many challenges in a warmer future and some of these are already a reality impacting negatively on salmon growth. Other more indirect effects from climate change are more uncertain with respect to impacts on the economic conditions of Arctic aquaculture.

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