INDEX 
DIVERSITY 
Figure 28. 
FORT MACON 
.. EMERALD ISLE 
2 NOURISHMENT 
Seasonal variation in Shannon-Weaver's Species Diversity for the 
intertidal zone at Fort Macon (nourishment beach), June 1977 to 
August 1978, and the comparison beach at Emerald Isle, December 
1977 to September 1978. The actual period of nourishment is 
represented by a slashed line below the X-axis. The bull's eye 
symbol represents a species diversity that is undefined because 
no organisms were found. 
49 
