Information related to Practitioner’s Guide to the Biological Condition Gradient: A Framework to Describe Incremental Change in Aquatic Ecosystems.
You will need Adobe Reader to view some of the files on this page. See EPA’s About PDF page to learn more.- Fact Sheet: A Practitioner’s Guide to the Biological Condition Gradient: A Framework to Describe Incremental Change in Aquatic Ecosystems (PDF)(2 pp, 480 K)
- A Practitioner’s Guide to the Biological Condition Gradient: A Framework to Describe Incremental Change in Aquatic Ecosystems (PDF)(250 pp, 13 MB)
- Appendices (PDF)(127 pp, 6 MB)