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Politics : Formerly About Advanced Micro Devices -- Ignore unavailable to you. Want to Upgrade?

To: Brumar89 who wrote (825074)	12/23/2014 12:46:12 PM
From: Wharf Rat	Read Replies (2) \| Respond to of 1577931

"I don't see much of a trend there:" You never do. You may have the brain of an oyster, but you don't have the physiology. Ocean acidification a culprit in commercial shellfish hatcheries’ failures The mortality of larval Pacific oysters in Northwest hatcheries has been linked to ocean acidification. Yet the rate of increase in carbon dioxide in the atmosphere and the decrease of pH in near-shore waters have been questioned as being severe enough to cause the die-offs. Now, a new study of Pacific oyster and Mediterranean mussel larvae found that the earliest larval stages are sensitive to saturation state, rather than carbon dioxide (CO2) or pH (acidity) per se. Saturation state is a measure of how corrosive seawater is to the calcium carbonate shells made by bivalve larvae, and how easy it is for larvae to produce their shells. A lower saturation rate is associated with more corrosive seawater. Increasing CO2 lowers saturation state, the researchers say, and saturation state is very sensitive to CO2. Read more at: Link