LAKE AND STREAM METRICS

LAKE MORPHOMETRIC PARAMETERS

• MAXIMUM LENGTH (Lmax)

• MAXIMUM WIDTH (Wmax)• SURFACE AREA (A)• VOLUME (V)• MAXIMUM DEPTH (X)• MEAN DEPTH (V/A)• RELATIVE DEPTH (X AS % DIAMETER)• SHORELINE (L)• SHORELINE DEVELOPMENT (SLD=L/2(πa)1/2 )

STREAM MORPHOMETRIC PARAMETERS

• AREA OF WATERSHED• STREAM ORDER• DRAINAGE DENSITY (STREAM LENGTH/BASIN AREA)• DISCHARGE

CALCULATING DISCHARGE

BIOTIC METRICS

• SHANNON DIVERSITY INDEX• SIMPSON’S DIVERSITY INDEX• SPECIES EVENNESS• SPECIES RICHNESS• SIMILARITY INDICES• POLLUTION TOLERANCE INDICES– HILSENHOFF INDEX FOR BENTHOS– OTHER COMMUNITY-SPECIFIC INDICES

PARTIAL LIST OF METRICS FOR BENTHOS•   Abundance Measures

– Corrected Abundance – EPT Abundance

• Dominance Measures – Dominant Taxon – Dominant Abundance – 2nd Dominant Taxon – 2nd Dominant Abundance – 3rd Dominant Taxon – 3rd Dominant Abundance – % Dominant Taxon – % 2 Dominant Taxa – % 3 Dominant Taxa

• Richness Measures – Species Richness – EPT Richness – Ephemeroptera Richness – Plecoptera Richness – Trichoptera Richness – Chironomidae Richness – Oligochaeta Richness – Non-Chiro. Non-Olig. Richness – Rhyacophila Richness

• Community Composition – % Ephemeroptera – % Plecoptera – % Trichoptera – % EPT – % Coleoptera – % Diptera – % Oligochaeta – % Baetidae – % Brachycentridae – % Chironomidae – % Ephemerellidae – % Hydropsychidae – % Odonata – % Perlidae – % Pteronarcyidae – % Simuliidae

• Functional Group Composition – % Filterers – % Gatherers – % Predators – % Scrapers – % Shredders – % Piercer-Herbivores – % Unclassified – Filterer Richness – Gatherer Richness – Predator Richness – Scraper Richness – Shredder Richness – Piercer-Herbivore Richness – Unclassified

• Diversity/Evenness Measures – Shannon-Weaver H' (log 10) – Shannon-Weaver H' (log 2) – Shannon-Weaver H' (log e) – Margalef's Richness – Pielou's J' – Simpson's Heterogeneity

• Biotic Indices – % Indiv. w/ HBI Value – Hilsenhoff Biotic Index – % Indiv. w/ MTI Value – Metals Tolerance Index – % Indiv. w/ FSBI Value – Fine Sediment Biotic Index FSBI

• - average FSBI • - weighted average

– % Indiv. w/ TPM Value – Temp. Pref. Metric

• - average TPM • - weighted average

• Karr BIBI Metrics – Long-Lived Taxa Richness – Clinger Richness – % Clingers Intolerant Taxa Richness – % Tolerant Individuals – % Tolerant Taxa – Coleoptera Richness