USGS - science for a changing world

Upper Midwest Environmental Sciences Center

Vegetation - Stratified Random Sampling
 1999 Results

Pool 4 - 1999 Figures

Image Preview
Figure - Description
Aquatic area strata and sampling points in Pool 4 Figure 1. Aquatic area strata and sampling points in Pool 4, Upper Mississippi River System, 1999.
Sites where species were recorded in Pool 4 Figure 2. Sites where species were recorded in Pool 4, Upper Mississippi River System, 1999.  Species: all submersed species, common bladderwort (Utricularia macrorhiza), longbeak buttercup (Ranunculus longirostris), coontail (Ceratophyllum demersum), and horned pondweed (Zannichellia palustris).
Sites where species were recorded in Pool 4 Figure 2. Continued.  Species: curly pondweed (Potamogeton crispus), flatstem pondweed (P. zosteriformis), leafy/small pondweed (P. foliosus/pusillus), longleaf pondweed (P. nodosus), ribbonleaf pondweed (P. epihydrus), and sago pondweed (P. pectinatus).
Sites where species were recorded in Pool 4 Figure 2. Continued.  Species: water stargrass (Heteranthera dubia), Eurasian watermilfoil (Myriophyllum spicatum), nodding waternymph (Najas flexilis), and Canadian waterweed (Elodea canadensis).
Sites where species were recorded in Pool 4 Figure 2. Continued. Species: wildcelery (Vallisneria americana), all rooted floating–leaf species, American lotus (Nelumbo lutea), and white waterlily (Nymphaea odorata).

Accessibility FOIA Privacy Policies and Notices

Take Pride in America logo USA.gov logo U.S. Department of the Interior | U.S. Geological Survey
URL: http://www.umesc.usgs.gov/reports_publications/ltrmp/veg/1999/pool04-figures.html
Page Contact Information: Contacting the Upper Midwest Environmental Sciences Center
Page Last Modified: December 31, 2012