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2013 article Chesapeake Bay oyster restoration.

September 12, 2016 by Reef Innovations  

Saving the Chesapeake Bay, One Oyster at a Time

Written by: Laura Wood

Recent low lunar tides along the Lafayette River offered an excellent opportunity to see the fruits of our oyster restoration work. Above, reef balls planted two years ago are now completely covered in oysters.
Photo by CBF Staff

Once so chock-full that Native Americans called it “great shellfish bay,” the Chesapeake has long since seen its oyster population decimated by overharvesting, pollution, and disease.

This is bad news for the Bay, and its rivers and streams. CBF’s Oyster Restoration and Fisheries Scientist Tommy Leggett explains, “Oysters are important to cleaning up the Bay. They filter huge amounts of water; nearly 50 gallons a day during the warmer months, and they grow in reefs that are home to many other Bay critters”—including blue crabs, striped bass, redfish, black drum, bluefish, white perch, speckled trout, and spot.

But, with support from friends like The Orvis Company, CBF is working to bring this vital species back from the brink.

Every year, with the help of thousands of volunteers, CBF plants tens of millions of baby oysters, builds and submerges hundreds of oyster reef balls onto protected sanctuary reefs in the waters of both Maryland and Virginia, collects oyster shells that are recycled into oyster reefs, works with local watermen on oyster aquaculture, and, runs a successful oyster gardener program.

Since 1998, CBF has planted more than 130 million oysters on 150 sanctuary reefs throughout the Bay. In what the Washington Post called a “modern day Lazarus story”, CBF’s work has helped reverse the oysters decline. In 2011, Virginia harvested the most oysters since 1989—roughly 236,000 bushels (up from 79,600 in 2005), and Maryland hauled in 121,000 (more than quadrupling its harvest from 2005 of 26,000).  Not only that, but in Maryland, their 2011 oyster survey showed the highest survival rate since 1985—92 percent—a sign that our continued efforts are paying off.

Working with partners like the National Oceanic and Atmospheric Administration, The Nature Conservancy, and the U.S. Army Corps of Engineers, CBF is focusing its oyster restoration efforts on specific tributaries—Harris Creek, Severn River, and the Choptank and Little Choptank Rivers in Maryland, and the Lafayette, Elizabeth, and Piankatank Rivers in Virginia.

CBF knows we’re not going to save the Bay without oysters. With the help of partners like The Orvis Company, we’re restoring hope, not just for the Bay’s native oyster population, but for the health of the Chesapeake Bay and its rivers and streams.

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