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A sea of troubles -- an ocean wrapup http://apocadocs.com/s.pl?1230738008
The worries begin at the surface, where an atmosphere newly laden with man-made carbon dioxide interacts with the briny. The sea has thus become more acidic, making life difficult, if not impossible, for marine organisms with calcium-carbonate shells or skeletons. These are not all as familiar as shrimps and lobsters, yet species like krill, tiny shrimp-like creatures, play a crucial part in the food chain: kill them off, and you may kill off their predators, whose predators may be the ones you enjoy served fried, grilled or with sauce tartare. Worse, you may destabilise an entire ecosystem.... And then there are the red tides of algal blooms, the plagues of jellyfish and the dead zones where only simple organisms thrive. All of these are increasing in intensity, frequency and extent. All of these, too, seem to be associated with various stresses man inflicts on marine ecosystems: overfishing, global warming, fertilisers running from land into rivers and estuaries, often the whole lot in concatenation.
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[Read more stories about:
anthropogenic change, carbon emissions, ecosystem interrelationships, death spiral, marine mammals, ocean acidification, overfishing, ocean acidification, dead zones]
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JoBeth says: "All these wrap up stories for 2008 -- I dout there will be any GOOD trends."
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'Doc Michael says:
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Concatenation, concentration, feedback loops, the underwater stripmining of biomass.... Lucky we can't see it, or we'd be adding our tears to the salt in the sea!
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