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Macroinvertebrate Update Title Page
Figures

Figure 4.

Estimated density of midges (number per square meter; ±1 standard error) by study area, weighted by area of strata. Horizontal line indicates grand mean.

**Sampling not conducted in 2003 because of budget constraints.

*Sampling not completed because of high water.

**Sampling not conducted in 2003 because of budget constraints.

*Sampling not completed because of high water.

**Sampling discontinued in 2001.

**Sampling not conducted in 2003 because of budget constraints.

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Page Last Modified: April 17, 2018