But native grasses are being replanted and oyster reefs restored in line with the foundation's role as a naturalist training center.

A. An oyster reef is a natural accumulation of oysters.

Do you know of the starfish, that kills the oyster reefs?

The projects include work with oyster reefs, wetlands, and longleaf pine forests.

Found mainly in estuaries, oyster reefs are compromised by human settlement, including development and boating activity.

In South Florida, oyster reefs face an additional threat.

An oyster reef can increase the surface area of a flat bottom 50-fold.

Mississippi's oyster reefs have been closed since the spill started.

It is estimated that more than 85% of oyster reefs are gone, making it the most threatened marine habitat in the world.

In the 1930 there have been oyster reefs below the mussel banks at the water level.