Rules also link strategies to the ecological condition and thereb modify biological performance.
Collectively, the rules and the information in Figure 1 for the knowledge base that describes the Columbia River Ecosystem. The rules that follow should be considered extremely draft. They are provided largely to illustrate the concept of the rules. While comment is appreciated we encourage reviewers to examine them as examples of how rules are constructed and explained. In the coming months, the rules will be refined both in content and presentation.