Calculate Your Own FIBI

Complete the fields below to calculate a Fish Index of Biotic Integrity value from your own sampling data.

This calculation assumes you have used the same sampling methods and protocols currently used by the Iowa DNR Bioassessment Program. Failure to follow the Bioassessment methods and protocols can affect the final score.

Required Session Data

Stream Name

Sample Date

Drainage Area (mi²)

Major Drainage Basin

Reach Length (ft)

IBI Type

Fish DELTs

EcoRegion

Not required- but useful if you'd like to see how the site compares to reference sites in the same ecoregion.

Comment

Optional, displayed on results page. Handy if you want to include a note in your summary report.

Collected Fish

	Fish Species	# Collected