Stream Condition (IBI)

•	Poor

•	Good

EPA Region 3

Relative Extent

Relative Risk to
Macroinvertebrate
Integrity (IBI)

Riparian Disturbance
Salinity
Acidification
Riparian Vegetative Cover
In-stream Fish Habitat
Streambed Sediments
Nitrogen
Phophorous

0

10 20 30 40

—i r~

50 0

—i—

2

-1

4

% of Stream Length Relative Risk Ratio
in Poor Condition

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