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Updated: Jun 14, 2026
12:44
Watershed Planning within a Quantitative Scenario Analysis Framework
Published on: July 24, 2016
Structuring expert input for a knowledge-based approach to watershed condition assessment for the Northwest Forest
1Pacific Northwest Research Station, USDA Forest Service, Portland, OR, 97205, USA. sgordon@fs.fed.us
Environmental Monitoring and Assessment
|March 23, 2010
Summary
Developing a computer-based decision support system from expert judgments improved consistency in assessing watershed conditions for aquatic and riparian species. This approach structured evaluations but required careful planning and highlighted challenges in managing multiple expert groups.
Area of Science:
- Environmental science
- Ecology
- Conservation biology
Background:
- Assessing watershed conditions for aquatic and riparian species often relies on complex expert opinion.
- Expert-based assessments can lack consistent documentation and application across time and space.
Purpose of the Study:
- To describe the development of a computer-based decision support application using expert judgments.
- To assess aquatic and riparian conditions within the Northwest Forest Plan area.
- To improve consistency and transparency in environmental assessments.
Main Methods:
- Expert judgments were elicited and integrated into a computer-based decision support system.
- Interactive group knowledge elicitation was employed.
- Model results were validated through in-person workshops.
Main Results:
- The decision support system structured and documented the assessment process, enhancing consistency and transparency.
- Interactive group knowledge capture required significant planning and subject matter expertise.
- Using multiple expert groups increased participation and ownership but also introduced variation in model structures.
Conclusions:
- Computer-based decision support systems can improve the objectivity and consistency of environmental assessments.
- Effective knowledge elicitation and model validation require careful planning and interactive communication.
- Strategies are needed to manage consistency when multiple expert groups contribute to assessments.
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