Figure 2. Frequency of all life forms

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Vegetation Update Title Page

Figures

Figure 2. Percent frequency of occurrence (±1 standard error) of submersed aquatic, rooted, floating-leaf, and emergent vegetation by study reach,
weighted by the areas of the aquatic strata. Sample sizes can be found in Table 1.

Pool 4-upper
*Analysis was not calculated in 2003 because no data were collected for the isolated backwater and Lake Pepin strata.

Pool 4 - lower
*Analysis was not calculated in 2003 because no data were collected for the isolated backwater and Lake Pepin strata.

p8_2007

p13_2007

Percent frequency of submersed aquatic vegetation in La Grange Pool, Illinois River

*Data were provided by the Illinois Natural History Survey based on a grant from the Illinois Department of Natural Resources.

*Data were provided by the Illinois Natural History Survey based on a grant from the National Great Rivers Research and Education Center.

*Data were provided by the Illinois Natural History Survey based on a grant from the Illinois Department of Natural Resources.

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Page Last Modified: February 19, 2009