Cover title. Prepared for U. S. Fish and Wildlife Service, Washington, D. C., and Office, Chief of Engineers, Washington, D. C., under Contract No. USFWS-CE7-255, Coastal Ecosystems Project, Biological Services Program (DMRP Work Unit No. 4F01A). Monitored by National Coastal Ecosystems Team, Office of Biological Services, U. S. Fish and Wildlife Service, National Space Technology Laboratories, NSTL Station, Miss., and Dredged Material Research Program, Environmental Laboratory, U. S. Army Engineer Waterways Experiment Station, Vicksburg, Miss. Appendices C-E on microfiche in pocket. FWS/OBS-78/15. Bibliography: p. 134-136.