Iowa DNR
River & Stream Biological Monitoring
Fish and Benthic Macroinvertebrate Surveys
Physical Habitat Assessments


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


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.

This page was created 3/30/2009 12:46:16 PM and was last updated 4/26/2021 8:55:35 AM