B-IBI

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These are the scores out of a possible 50.

This chart lets us know the B-ibi results from 2002 to 2007

10-24 is low biological integrity

25-39 is moderate biologicalintegrety

40+ is high biological integrrety

B-IBI means benthic Index Of Biological Integrity

Metric Predicted response due to human impact	Decrease
Total number of taxa	Decrease
Total number of mayfly taxa	Decrease
Total number of stonefly taxa	Decrease
Total number of caddisfly taxa	Decrease
Total number of long-lived taxa	Decrease
Total number of intolerant taxa	Decrease
Total percent of tolerant individuals	Increase
Total percent of predetor individuals	Decrease
Total number of clinger taxa	Decrease

This chart lets us know about Increases or Decreases that are caused by human impact.

Pollution tolerance is when the macroinvertebrates are tolerant to pollution and can live in it. Intolerant is when the macroinvertebrates cant live in the pollution and will die if in it too long.