For four frustrating months in 2007, Mark Wiegardt and his wife, Sue Cudd, witnessed something unsettling at their Oregon oyster hatchery: tank bottoms littered with dead baby oysters. Usually, the larvae are grown until they're three weeks old and a quarter of a millimeter in size -- 10 million bunched together are roughly the size of a tennis ball. Then they are shipped to 50-some growers in the U.S., Canada and Mexico. But that summer, the oysters died before they were ready to ship. Whiskey Creek Shellfish Hatchery struggled to fill a third of its orders.
"You have good and bad weeks, but this was a blanket kill on everything we tried to do," recalls Wiegardt. "We thought we were going out of business because we couldn't make the larvae grow."
It turned out that "corrosive" seawater, which makes it harder for young oysters to build shells, was largely to blame. Like the atmosphere, the world's seas are burdened by our fossil fuel use and deforestation. The ocean has sponged up a quarter of the carbon dioxide humans have produced since the Industrial Revolution, steadily lowering its pH. Today's seas are 30 percent more acidic than their pre-industrial ancestors. By the turn of the century, scientists anticipate they will be 150 percent more so -- a trend that led National Oceanic and Atmospheric Administration (NOAA) chief Jane Lubchenco to call ocean acidification climate change's "equally evil twin."
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National Fisherman Live for March 11, 2014
Governor Terry McAuliffe announced today the appointment of John M.R. Bull as Commissioner of the Virginia Marine Resources Commission. John Bull has been with the Virginia Marine Resources Commission since June 2007 and has been serving as Acting Commissioner since January 2014.
PORTSMOUTH, NH - The New Hampshire Fish and Lobster Festival, known locally as Fishtival, invites the community to Portsmouth's Prescott Park each September to honor, celebrate and rediscover the proud tradition of small-scale, local commercial groundfishing in New Hampshire and its valuable contribution to our local food system, local economy and local culture. Now, the mission continues with the announcement of small grants available from the proceeds of the 2013 event.