Track A - Water Resources Center - University of Minnesota

Track A - Water Resources Center - University of Minnesota Track A - Water Resources Center - University of Minnesota

04.04.2014 Views

Sampling Methods Early, mid, and late winter samples Paired with brown trout diets In each sample event: 5 Hess samples 10 minute dipnet sample 10 minutes pupal exuviae collection

Sample Analyses Simpson’s Index with jack-knifing Measure of population diversity (D) Range from 0 < D < 1 • 0 represents no diversity • 1 represents infinite diversity Whittaker’s Percentage Similarity Measure of within-reach heterogeneity Range from 0 to 1 • 0 represents complete heterogeneity • 1 represents complete homogeneity

Sampling Methods<br />

Early, mid, and late winter samples<br />

Paired with brown trout diets<br />

In each sample event:<br />

5 Hess samples<br />

10 minute dipnet sample<br />

10 minutes pupal exuviae collection

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