Upper Midwest Environmental Sciences Center
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.
*Analysis was not calculated in 2003 because no data were collected for
the isolated backwater and Lake Pepin strata.
*Analysis was not calculated in 2003 because no data were collected for
the isolated backwater and Lake Pepin strata.
*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.
Content manager: Dr Yao Yin
URL: http://www.umesc.usgs.gov/reports_publications/ltrmp/veg/figures/fig2_freqall.html
