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Proceedings - Teaching and Learning Centre - Simon Fraser ...

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<strong>Fraser</strong> River Action Plan 3rd Research Workshop<br />

I. Macrohabitat (3 Types)<br />

Invertebrates<br />

Ecological Classifications<br />

A. Aquatic, Semi-Aquatic & Terrestrial<br />

II. Pollution Tolerance (5 Types)<br />

A. Sensitive (S = 3 Pts.)<br />

B. Moderate (M = 2 Pts.)<br />

C. Tolerant (T = 1 Pt.)<br />

D. Transitional (SM = 2.5 Pts. & MT = 1.5 Pts.)<br />

III. Trophic (5 Types)<br />

A. Herbivorous or Predatory<br />

B. GR = Predominantly Herbivorous or Predatory<br />

C. Omnivorous (Herbivorous-Predatory)<br />

Invertebrate Diversity<br />

Site Riparian Drift Benthic<br />

• SM FO > SF > GR SF > FO > GR FO > SF & GR<br />

• SL GR > FO > SF SF > FO > GR FO > GR > SF<br />

• NM SF > GR > SH GR > SF > SH GR > SF > SH<br />

• NL SF > SH > GR SF > SH > GR SH > SF & GR<br />

Simpson-Levins Diversity Index<br />

Page 253

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