New Hampshire

Great Bay Oyster Restoration Program

Improving the health of New Hampshire's Great Bay Estuary one oyster at a time.

There's A Pearl In Our Oyster Work

The eastern oyster (Crassostrea virginica) has historically played a vital role in the ecology of Great Bay Estuary. As many as 1,000 acres of live oyster reef may have covered the estuary in1970, but now over 90% of oysters are lost due to pollution, harvest, and disease. Without oysters, Great Bay Estuary is lacking the natural filtration capacity to maintain healthy eelgrass beds as nitrogen and siltation increase.

The Nature Conservancy and The University of New Hampshire, with others, are scaling-up efforts to restore local oyster reefs. We re-build reefs to clean the water and provide fish habitat. Since we work in areas closed to harvest, the new reefs are sanctuaries for spawning oysters in the Bay.

From the volunteer oyster conservationists who raise young spat in cages off their docks to the scientists who reconstruct historic reef sites for the juvenile oysters to call home, our approach literally takes a village. Below are just a few of our many stories!

Oyster Conservationist Program
Oyster Conservationists Needed!
Oysters In The News
What Do Cars and Oysters Have In Common?
Dive Deeper
Re-Building Reefs in the Lamprey River
How It Works
Our Coastal Watershed
The Significance of NH's Native Shellfish

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Close Encounters with Nature

Nature Matters

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