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Biology

Seeding project near Key Bridge looks to give oysters 'a second chance' in the Patapsco

Seeding project near Key Bridge looks to give oysters 'a second chance' in the Patapsco

A heaping shoal of oysters might have peeked above the water two centuries ago near what is now the Francis Scott Key Bridge. Such a shoal could explain why the U.S. Army built the hexagonal Fort Carroll in that same area in the late-1840s to defend the busy harbor.

But the shellfish have not thrived in the Patapsco River since.

It's difficult for them to reproduce there — the process requires saltier water and the population hasn't been able to withstand decades of industrial and urban pollution.

Now, Chesapeake Bay advocates are testing a strategy to give oysters a second chance in the Patapsco.

Shells carrying 3 million speck-sized baby oysters clattered off...

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