Record Display for the EPA National Library Catalog

RECORD NUMBER: 210 OF 242

OLS Field Name OLS Field Data
Main Title Stressor identification guidance document.
CORP Author Environmental Protection Agency, Washington, DC. Office of Water.
Publisher U.S. Environmental Protection Agency, Office of Water, Office of Research and Development,
Year Published 2000
Report Number EPA/822/B-00/025
Stock Number PB2001-104770
Subjects Stream ecology--United States. ; Biotic communities--United States--Evaluation. ; Ecological risk assessment--United States. ; Indicators (Biology)--United States. ; Water quality biological assessment--United States. ; Biotic communities--Evaluation.
Additional Subjects Guidance documents ; Water pollution ; Biological assessments ; Aquatic ecosystems ; Biological impairment ; Water quality ; Causes ; Stressor identification ; Iteration options ; Presumpscot River(Maine) ; Little Scioto River(Ohio) ; Water management programs
Internet Access
Description Access URL
http://nepis.epa.gov/Exe/ZyPDF.cgi?Dockey=20003F6L.PDF
Holdings
Library Call Number Additional Info Location Last
Modified
Checkout
Status
NTIS  PB2001-104770 Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy. NTIS 01/01/1988
Collation 246 pages : illustrations ; 28 cm
Abstract
The Office of Water and Office of Research and Development of the US EPA have developed a process for identifying any type of stressor or combination of stressors that cause biological impairment. The Stressor Identification (SI) Guidance is intended to lead water resource managers through a formal and rigorous process that identifies stressors causing biological impairment in aquatic ecosystems, and provides a structure for organizing the scientific evidence supporting the conclusions. The ability to accurately identify stressors and defend the evidence supporting those findings is a critical step in developing strategies that will improve the quality of aquatic resources. The Stressor Identification process (SI) is prompted by biological assessment data indicating that a biological impairment has occurred. The general SI process entails critically reviewing available information, forming possible stressor scenarios that might explain the impairment, analyzing those scenarios, and producing conclusions about which stressor or stressors are causing the impairment.
Notes
"December 2000." Includes bibliographical references and index. "EPA 822/B-00/025." Microfiche.