Development of a Computerized Wetlands Mapping Data Base for Use in Section 404 Jurisdictional Determinatins in San Francisco Bayby Patrick J. Cotter, EPA, San Francisco, CA, USA,
James B. Johnston, EPA, San Francisco, CA, USA,
Millicent L. Quammen, EPA, San Francisco, CA, USA,
Dennis D. Peters, EPA, San Francisco, CA, USA,
Abstract: Development and habitat alteration in the San Francisco Bay-Delta system have placed the remaining wetlands in jeopardy. The Bay-Delta wetlands will be mapped in a joint project of the U. S. Environmental Protection Agency (EPA) and the U. S. Fish and Wildlife Service (FWS). Maps at a 1:24,000 scale will be produced for the entire study area. High altitude color infrared photography from 1985 and historical photographs from 1976-77 and the mid-1950's for selected areas of the Bay-Delta will be used. A wetland change analysis of the Bay-Delta area will be used to define current habitat boundaries for planning a mitigation strategy to manage the system.
Subject Headings: Wetlands (coastal) | Mapping | Photography | Ecosystems | Ocean engineering | Joints | Environmental Protection Agency
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