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Posted Sat Feb 18 2012: from
UBC:
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Ocean acidification turns climate change winners into losers http://apocadocs.com/s.pl?1329600235
Previous projections have suggested the effects of warmer water temperature would result in fish moving pole-ward and deeper towards cooler waters - and an increase of fish catch potential of as much as 30 per cent in the North Atlantic by 2050.
Accounting for effects of de-oxygenation and ocean acidification, however, some regions may see a 20-35 per cent reduction in maximum catch potential by 2050 (relative to 2005) - depending on the individual species' sensitivity to ocean acidification.
For example, in the Norwegian Sea, ocean warming by itself may result in a 15 per cent increase in fisheries catch potential. However, accounting for acidification and de-oxygenation, the increase turns to a decrease of 15 per cent, and the region from a "winner" to a "loser."
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[Read more stories about:
ocean acidification, ocean warming, climate impacts, economic myopia]
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'Doc Jim says:
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Careful now -- that makes it seem like climate change could make us all losers!
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