The BioNet Reference Codex contains documentation and helpful descriptions of various aspects of the biological assessment program.

Topics of Interest:

BioNet News

BMIBI - Benthic Macroinvertebrate Index of Biotic Integrity

Ecoregion

FHI - Fish Habitat Index

FIBI - Fish Index of Biotic Integrity

Fish Health

Habitat - Instream Fish Cover

Legacy Habitat

QAQC - Quality Assurance/Quality Control

Relative Abundance - Abundance categories recording during Rapid Fish Assessments

Sample Site Types

StreamStats - A USGS web application that can be used to determine drainage areas, basin GIS, and many other features.