Metric

Abbreviation

Metric Category

Use

Response to Stress

Chironomidae richness

Chirrich

Richness

2

Decrease

Diptera richness

Diptrich

Richness

2

Decrease

Ephemeroptera richness

Ephrich

Richness

2

Decrease

Ephemeroptera + Plecoptera + Trichoptera richness

EPTrich

Richness

1, 2, 3

Decrease

Plecoptera richness

Plecrich

Richness

2

Decrease

Total taxa richness

TTrich

Richness

1, 2, 3

Decrease

Trichoptera richness

Tricrich

Richness

2

Decrease

% Chironomidae

Chircp

bComposition/%

2

Increase

% Corbicula

Corbcp

bComposition/%

2

Increase

% Diptera

Diptcp

bComposition/%

2

Increase

% Ephemeroptera

Ephcp

bComposition/%

2

Decrease

% Ephemeroptera + Plecoptera

EPcp

bComposition/%

1

Decrease

% Ephemeroptera + Plecoptera + Trichoptera

EPTcp

bComposition/%

1, 2, 3

Decrease

% Hydropsychidae Trichoptera

HydTcp

bComposition/%

2

Increase

% Other Diptera + Non-insectsa

ODNIcp

bComposition/%

2

Increase

% Oligochaeta

Oligocp

bComposition/%

1, 2

Increase

% Plecoptera

Pleccp

bComposition/%

2

Decrease

% Tanytarsini midges

Tanycp

bComposition/%

1, 2

Decrease

% Trichoptera

Triccp

bComposition/%

2

Decrease

Clinger richness

ClingRfh

Functional/Habitat

2

Decrease

% Clingers

ClingPfh

Functional/Habitat

2

Decrease

% Filterers

Filtfh

Functional/Habitat

2

Increase

% Predators

Predfh

Functional/Habitat

2

Increase

% Scrapers

Scfh

Functional/Habitat

1, 2

Decrease

% Shredders

Shfh

Functional/Habitat

2

Decrease

% Intolerant taxa (KBI tolerance < 3.0)

IntKBItol

Tolerance

1, 2

Decrease

Kansas Biotic Index

KBItol

Tolerance

1, 3

Increase

Macroinvertebrate Biotic Index

MBItol

Tolerance

1, 3

Increase

% Dominant taxon

DT1dd

Dominance/Diversity

2

Increase

% of 2 dominant taxa

DT2dd

Dominance/Diversity

2

Increase

% of 5 dominant taxa

DT5dd

Dominance/Diversity

2

Increase

Shannon Diversity Index

SDIdd

Dominance/Diversity

1, 3

Decrease

EPT/Chironomidae ratio

EPTCratio

Ratio

2

Decrease

Scraper/Filtering collector ratio

ScFcratio

Ratio

2

Decrease