. The ecological impact of beach nourishment with dredged materials on the intertidal zone at Bogue Banks, North Carolina . MONTH 'igure 31. Seasonal variation in Simpson's Index of Dominance for the inter- tidal zone at the nourishment beach at Fort Macon, June 1977 to August 1978, and the comparison beach at Emerald Isle, September 1977 to August 1978. The actual period of nourishment is repre- sented by a slashed line below the X-axis. The bull's eye symbol represents an index of dominance that is undefined because no organisms were found. 52

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Keywords: ., bookcentury1900, bookcollectionbiodiversity, booksubjectecology