Analysis reveals significant abiotic factors influencing haddock presence in the Barents Sea, suggesting implications for future distribution amidst climatic warming.
This study reports the findings of an evaluation of the impact of abiotic environmental conditions on the dispersion of the northeast Arctic haddock population. The distribution of haddock is significantly influenced by temperature, ice cover, depth, salinity, and water clarity. The presence of haddock is most strongly correlated with the average water temperature during the warmest month and the highest yearly bottom temperature among thermal characteristics. The region of the Barents Sea with a high likelihood of haddock presence (P > 0,5) is predicted to cover 820,000 km², accounting for 29,3% of the whole Barents Sea area. The CMIP6 climate model’s forecast scenarios indicate that climatic warming by the end of the 21st century is likely to cause a substantial increase (by 9–50%) in the potential distribution area of haddock in the Barents Sea.
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Bakanev et al. (2025) studied this question.
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