2 months ago
ANNAPOLIS, Md. (WUSA) -- Beleaguered Chesapeake Bay oysters appear to be developing natural resistance to the diseases that have all but killed a once thriving harvest industry, according to a new report from the Chesapeake Bay Foundation.
The report argues that an expansion of protective sanctuaries for the once-plentiful mollusks will likely enhance the immunity now being developed, as disease-resistant adults mature and reproduce without being harvested.
"With strong and appropriate management, oysters will rebound the same as crabs, said CBF President William C. Baker. "Nature seems to be doing its part, and scientists and state policymakers can help by restoring and protecting more historical oyster reefs."
Maryland's Department of Natural Resources is now considering more than doubling the bay bottom under protection to more than 9,000 acres, or 25% of the remaining oyster reefs in the bay. A decision is due September 6th.
The states oyster fishery has been devastated by disease, pollution and overharvesting, according to scientists.
The diseases, MSX and Dermo have done particular damage.
In 2009, watermen harvested less than 1% of the oysters that were taken during the industry's heydays in the 20th century.
According to the report, between 1985 and 2004 an average of 30% of oysters in the bay were killed annually by the diseases.
But since 2005, the number has dropped to 17%, as oysters in sanctuary areas appear to be developing a natural immunity.
Written by Scott Broom
9NEWS NOW & wusa9.com
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