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Trouble on the Half Shell http://apocadocs.com/s.pl?1309023416
Four summers ago, Sue Cudd couldn't keep a baby oyster alive.
She'd start with hundreds of millions of oyster larvae in the tanks at the Whiskey Creek Shellfish Hatchery in Netarts, Oregon. Only a handful would make it....
A hatchery that has supplied seafood businesses for three decades had virtually nothing to sell for months, said Cudd, who owns the hatchery.
"They would just sort of fade away... It was really devastating. We're kind of the independent growers' hatchery, and we had always been reliable up until that point. People were just shocked. I heard a lot of times how it was ruining people's businesses."
It's tough to say with scientific certainty that ocean acidification is the sole cause of the die-offs that have plagued two of the Northwest's three major oyster hatcheries in the last few years.
But this much seems clear: young oysters have a hard time surviving in conditions that will only become more widespread as carbon dioxide from cars, coal plants and other industries cause the fundamental chemistry of the ocean to become more acidic.
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[Read more stories about:
ocean acidification, carbon emissions, coral bleaching, massive die-off, toxic water]
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