Upper Midwest Environmental Sciences Center
Summary of Monitoring Findings for Fiscal Year 2004
Figures
Figure 14. | Percent frequency of occurrence of submersed aquatic vegetation by study reach, weighted by areas of aquatic strata. Percent frequency of occurrence = number of occurrences/total number of rake samples, UMR = Upper Mississippi River, ILR = Illinois River. |
Page Last Modified: April 17, 2018