Harris Creek's restored reefs. Underwater image courtesy of SERC.

VIDEO: Underwater Cam Compares Restored Oyster Reefs vs. Harvest Areas

Protecting oysters with sanctuaries are a good thing, but may not be enough. A new study on the Choptank Rive rfrom the Smithsonian Environmental Research Center finds that real progress requires planting new oysters and adding reefs, in combination with sanctuaries.

Cheryl Costello shows us underwater video that reveals a stark contrast between restored oyster habitat and harvested oyster grounds. Watch below: