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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 />

Environmental Variables Known to<br />

Correlate with Benthic Invertebrate<br />

Community Structure in Lotic Systems<br />

• United Kingdom • United Kingdom<br />

(Wright et al., 1984; 1989; 1995) (Corkum & Currie, 1987; 1989)<br />

- Slope - Distance from source<br />

- Discharge category - Altitude<br />

- Mean channel width - Geology<br />

- Surface velocity - Vegetation cover<br />

- Mean substrate - L<strong>and</strong> use<br />

- Dominant particle - Water width, depth<br />

- pH, Phosphorus - Overhanging vegetation<br />

- % macrophyte cover<br />

Page 244

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