Record Display for the EPA National Library Catalog

RECORD NUMBER: 450 OF 955

OLS Field Name OLS Field Data
Main Title New Indicators of Coastal Ecosystem Conditions.
CORP Author Environmental Protection Agency, Washington, DC. Office of Research and Development.
Year Published 2005
Report Number CR82-8677
Stock Number PB2009-111609
Additional Subjects Ecosystems ; Coastal waters ; Habitats ; Estuaries ; Shellfish ; Marine fishes ; Sediments ; Finfish
Holdings
Library Call Number Additional Info Location Last
Modified
Checkout
Status
NTIS  PB2009-111609 Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy. NTIS 05/27/2010
Collation 6p
Abstract
Coastal ecosystems, from large estuarine systems to salt marshes, are recognized for their important ecological function and societal value. They provide habitat and nursery grounds for commercially- and recreationally important finfish and shellfish. Marshes absorb energy from storms and protect the land from hurricanes. These important ecosystems are threatened by multiple human stressors as well as natural disturbances. The nation is losing much of its coastal marsh due to development, land subsidence, erosion, and sea level rise. In some areas, invasive species have displaced native species, threatening commercially important biological resources by altering habitat and productivity of the marsh. Reduction of water clarity, through increases in suspended sediments and algal blooms, adversely affects the growth of submerged aquatic vegetation, the nursery grounds for many fish and shellfish. In order to protect against continued degradation and loss of coastal ecosystem services and to plan for their remediation, new indicators are needed that will predict when and where ecosystem degradation and wetland losses will occur.