LAKE AND STREAM METRICS LAKE MORPHOMETRIC PARAMETERS MAXIMUM

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 H’=-Σ(pi*ln(pi)) SIMPSON’S DIVERSITY INDEX λ = Σ(pi )2 SPECIES EVENNESS SDE = H’/ln. R SPECIES RICHNESS R SIMILARITY INDICES POLLUTION TOLERANCE INDICES – HILSENHOFF INDEX FOR BENTHOS (0 -10) – OTHER COMMUNITY-SPECIFIC INDICES

PARTIAL LIST OF METRICS FOR BENTHOS • • Abundance Measures – Corrected Abundance – EPT Abundance Dominance Measures – Dominant Taxon – Dominant Abundance – 2 nd Dominant Taxon – 2 nd Dominant Abundance – 3 rd Dominant Taxon – 3 rd 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