Presentation is loading. Please wait.

Presentation is loading. Please wait.

LAKE AND STREAM METRICS

Similar presentations


Presentation on theme: "LAKE AND STREAM METRICS"— Presentation transcript:

1 LAKE AND STREAM METRICS

2 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 )

3

4

5 STREAM MORPHOMETRIC PARAMETERS
AREA OF WATERSHED STREAM ORDER DRAINAGE DENSITY (STREAM LENGTH/BASIN AREA) DISCHARGE

6 CALCULATING DISCHARGE

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

8 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  


Download ppt "LAKE AND STREAM METRICS"

Similar presentations


Ads by Google