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

Burr Oak Creek Osage (US)

Analysis Summary for Series #1441

Benthic Macroinvertebrate Index of Biotic Integrity (BMIBI)

Metric Name Value Score
MH Sensitive Taxa 6 6.67
SH Dom FFG % 57.48 6.58
MH Total CW Taxa 0 0
MH Tricop No Hydrop 3 4.64
MH Tolerant % 17.65 6.7
SH CW % 0 0
SH Hydropsyche % 0.31 9.79
SH Hydropsychinae % 47.08 2.89
BTI 5.09 4.8
*Mouse-over metric for full name
**Final IBI is sum of scores multiplied by 1.1111

Analysis Factors

Factor Value
BMIBI Type Cold Water
Sample Date 8/16/2013
Sampling Series Series #1441
Drainage Area (mi2) 20.668
Log(DA) 0
Calculation Last Updated 7/22/2025 3:39:57 PM
Sampling Gear Hess
BMIBI Score
47
Cold Water
Not Assigned

BMIBI Score Explained

This site was analyzed using the BMIBI-Cold Water assessment methodology.

A detailed analysis of the IBI score has not yet been determined for coldwater IBI metrics.

This location has been classified as a Rejected Reference Site. This site was a Reference Site at one time, but subsequent biological assessments have determined that this site no longer meets the qualifications of a Reference Site.

EcoRegion Comparison

Scores for a sampling session are compared against reference sites within the same ecoregion:

There are not enough sampling sessions collected at reference sites in this ecoregion to generate a meaningful comparison.