Environmental Engineering Reference
In-Depth Information
Is there a water quality problem?
How extensive is the problem?
Does the problem occur in “hotspots” or is it widespread?
Which environmental stressors affect the quality of the nation's streams and rivers, and
which are most likely to be detrimental?
TABLE 7.5
Mississippi Benthic Index of Stream Quality (M-BISQ) Indices for Macro-Invertebrate IBIs
by Bioregion
Metrics for Speciic Bioregions
Black Belt
East
Northwest
Northeast
West
No. of collector taxa
Caenidae (%)
No. of Chironomidae
taxa
Clingers (%)
Hydropsychidae/
Trichoptera
Beck's Biotic Index
No. of Tanytarsini taxa
Clingers (%)
Diptera (%)
Beck's Biotic Index
No. of Plecoptera
taxa
Filterers (%)
Ephemeroptera (no
Caenidae) (%)
Filterers (%)
No. sprawler taxa
Total taxa
Beck's Biotic Index
No. of Filterer taxa
Tanytarsini (%)
EPT (no
Caenidae) (%)
No. of sprawler taxa
Hilsenhoff Biotic Index
Beck's Biotic Index
Hilsenhoff Biotic Index
No. Coleoptera. taxa
No. of Coleoptera taxa
EPT (no Caenidae) (%)
Hilsenhoff Biotic Index
No. of Trichoptera taxa
No. predator taxa
Caenidae (%)
Clingers (%)
Tanytarsini (%)
Source: MDEQ, Development and application of the Mississippi Benthic Index of Stream Quality (M-BISQ), Prepared by
Tetra Tech, Inc., Owings Mills, MD, for the Mississippi Department of Environmental Quality, Ofice of Pollution
Control, Jackson, MS, 2003.
Oneida Nation
of Wisconsin
ORSANCO
DRBC
SRBC
DC
ICPRB
Biological multimetric indices
Biological multimetric indices under development
None
FIGURE 7.9 Development of biological multimetric indices. (From USEPA, Summary of biological assess-
ment programs and biocriteria development for states, tribes, territories, and interstate commissions: Streams
and wadeable rivers, U.S. Environmental Protection Agency, Ofice of Environmental Information and Ofice
of Water, Washington, DC, 2002.)
 
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