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Document Type

Book Chapter

Department/Program

Virginia Institute of Marine Science

Editors

Sari J. Kiraly, Ford A. Cross, John D. Buffinton, eds.

Publication Date

1990

Book Title

Federal Coastal Wetland Mapping Programs : A Report by the National Ocean Pollution Policy Board's Habitat Loss and Modification Working Group

Publisher

U.S. Department of the Interior, Fish and Wildlife Service

City

Washington, D.C.

Series

Biological Report 90 (18)

Abstract

Seagrasses, or submerged aquatic vegetation (SA V), have been mapped in the Chesapeake Bay five times between 1978 and 1987 with standard aerial photographic techniques, resulting in annual reports on SAV distribution. Acquisition of the vertical photography at a scale of 1:24,000, adhering to strict quality-assurance guidelines based on sun angle, tidal stage, cloud cover, wind speed, and season, has produced excellent, high-contrast imagery delineating beds of SAV from adjacent, unvegetated areas. Ground-truthing data from various State, Federal, and public organizations have corroborated the photographic data base. (more ...)

Monitoring Seagrass Distribution and Abundance Patterns: A Case Study from the Chesapeake Bay

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