"March 1982." "FWS/OBS-81/54." Item 612 (microfiche) Bibliography: p. 100-110. This report describes the structure and functioning of California's coastal salt marshes south of Pt. Conception. It summarizes the physiographic, hydrological, and climatic setting, the resulting vegetative communities and their roles in overall marsh functioning. Faunal communities are also described. The discussion includes analysis of research data from specific sites, and forwards conceptual models of marsh functioning.