Regulacje i polityka gospodarcza · 21.09.2000

Workshop Report on Characterizing Ecological Risk at the Watershed Scale

The Environmental Protection Agency (EPA), National Center for Environmental Assessment (NCEA), is announcing the availability of a final report, Workshop Report on Characterizing Ecological Risk at the Watershed Scale (EPA/600/R-99/111, February 2000). This workshop was funded through an interagency agreement between EPA and the Tennessee Valley Authority (TVA) and was held on July 7 and 8, 1999, at the Crystal City Marriott in Arlington, VA. The workshop was organized to address the application of ecological risk assessment to watershed management and decision making--in particular the challenge of characterizing risks that involve numerous stressors, interconnected pathways, and multiple endpoints. Participants representing federal agencies, academia, consulting firms, and environmental organizations were invited to attend based on their experience in ecological risk assessment, watershed management, or regional scale assessment. Workshop participants were asked to focus on those aspects for characterizing risk at the watershed scale deemed most in need of a procedural framework. This report reflects the results of those discussions and provides recommendations for estimating an