Warming oceans will shift ocean fish populations away from the tropics and towards the poles, perhaps creating new fisheries in Arctic waters, according to a study conducted by scientists at the University of British Columbia and reported on by the CBC.
The study considered several different warming scenarios and found that under best-case conditions, fish populations would shift northward or southward by about 15 kilometers (a little more than 9 miles) a decade. In the worst-case scenario -- where ocean temperatures rise three degrees Celsius by 2100 -- fish populations would shift polewards by some 26 kilometers (16 miles) per decade.
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