Ecological Description of Western Cascades Ecoregion Using Regional EMAP Data A Partnership Between EPA and the States of Oregon and Washington by EPADocs

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									Ecological Description of Western Cascades Ecoregion Using Regional EMAP Data–A Partnership
Between EPA and the States of Oregon and Washington

Author: Gretchen Hayslip

Key Words: partnerships, states, ecological indicators, EMAP, assessment

EPA’s Environmental Monitoring and Assessment Program (EMAP) is designed to provide tools to
monitor and assess the condition of the nation’s ecological resources. Since 1993, EPA Region 10 has
worked with the States in our region to demonstrate the application of the ecological indicators and
statistical designs developed by EMAP to watershed assessments conducted by State environmental
agencies.
     This poster will present a characterization of the Western Cascades Ecoregion of Oregon and
Washington, using landscape and stream data. This Regional EMAP project was a cooperative effort
between EPA Region 10, EPA ORD, the Washington Department of Ecology (Ecology) and the Oregon
Department of Environmental Quality (ODEQ). In 1999-2000, Ecology and ODEQ, with assistance from
EPA Region 10, collected biological, physical habitat and selected water column chemistry parameters in
wadeable streams. EPA Region 10 was responsible for overall coordination of the production of the final
report.
     The Western Cascades Ecoregion is between 2,000 and 7,00 feet in elevation and is densely forested.
Timber harvest is the major industry in this ecoregion. We will present an overall assessment of the
streams in this region using in-stream biological, physical and chemical data. In addition, we will present
the relationship between this information and landscape data. We will also discuss how these results
might better inform Clean Water Act decisions such as designating beneficial uses and listing of waters
that do not meet water quality standards.

Contact Information:      Gretchen Hayslip
                          Aquatic Biologist
                          Region 10, Office of Environmental Assessment
                          206-553-1685
                          hayslip.gretchen@epa.gov

								
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