"Fringing" reefs typical of those lining the shores of tidal creeks of high 

 salinity estuaries in coastal South Carolina. Photo by Rhett Talbert, Univer- 

 sity of South Carolina 



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Oyster reefs interspersed in channels dissecting an intertidal mud flat, 

 by Rhett Talbert, University of South Carolina. 



56 



Photo 



