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An Assessment of Ecosystem Risks in the St. Croix National Scenic Riverway

Author

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  • Robert B. Wenger

    (Environmental Science, University of Wisconsin-Green Bay, Green Bay, Wisconsin 54311, USA)

  • Hallett J. Harris

    (Environmental Science, University of Wisconsin-Green Bay, Green Bay, Wisconsin 54311, USA)

  • David S. Devault

    (U.S. Fish and Wildlife Service, Ecological Services, 1 Federal Drive, Fort Snelling, Minnesota 55111, USA)

Abstract

The information needed for conducting the risk assessment was provided by the participants in a 2-day workshop. The invited participants, who possessed knowledge of the St. Croix ecosystem, identified through a group-consensus process a list of stressors and a list of ecosystem values. They then assigned numerical values to each stressor-ecosystem value pair that reflected the degree to which the given stressor contributes to ecosystem risk as measured by the given ecosystem value. Based on this information, the analytical portion of the methodology was then used to rank the ecosystem risks (stressors) when examined from several different perspectives: immediate impact, time-duration, and management activities. Regardless of the perspective taken, riverway development emerged as the most significant stressor.

Suggested Citation

  • Robert B. Wenger & Hallett J. Harris & David S. Devault, 2000. "An Assessment of Ecosystem Risks in the St. Croix National Scenic Riverway," Environmental Management, Springer, vol. 25(6), pages 599-611, June.
    • Handle: RePEc:spr:envman:v:25:y:2000:i:6:d:10.1007_s002670010047
    DOI: 10.1007/s002670010047
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