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American Wildcelery (Vallisneria americana):
Ecological Considerations for Restoration

Tables and Figures


Tables

Table 1 -- Annotations on the distribution of Vallisneria americana.
Table 2 -- Literature references to alkalinity and pH of aquatic habitat for American wildcelery (Vallisneria americana).
Table 3 -- Mean and monthly variation of water chemistry parameters of Pool 7 (navigation channel) of the Upper Mississippi River, May to September, 1972-81 (Dawson et al. 1984).
Table 4 -- Chemical properties of water in Lake Opinicon, Ontario, Canada (from Crowder et al. 1977).
Table 5 -- Control of Vallisneria americana by selected herbicides (Lawrence and Hollingsworth 1969).
Table 6 -- Vallisneria americana biomass from various locations in Wisconsin (from Donnermeyer 1982).
Table 7 -- Crude protein content (dry weight) of Vallisneria americana organs, Navigation Pool 9, Upper Mississippi River, 1980a (from Donnermeyer 1982).

Figures

Figure 1 -- Schematic of Vallisneria americana (Donnermeyer 1982). (About 0.25 scale.)
Figure 2 -- Distribution of Vallisneria americana in North America: bisexual populations with solitary female flowers (solid circles), umbel of spikelike inflorescences (triangles), and representative unisexual or sterile collections (open circles; Lowden 1982).
Figure 3 -- Gross morphology of Vallisneria americana winter buds(from Donnermeyer 1982). (About 1.5 scale.)
Figure 4 -- Secchi disk depth and range of greatest abundance of Vallisneria americana in selected lakes (after Davis and Brinson 1980). The jagged end of a bar represents an approximate measurement.
Figure 5 -- Hydraulic dredge used to harvest winter buds of American wildcelery.
Figure 6 -- Examples of three packaging techniques for American wildcelery winter buds.
Figure 7 -- American wildcelery plants growing from nylon mesh bag.
Figure 8 -- Three-month-old transplanted American wildcelery plants growing in an enclosure on Lake Puchaway, Wisconsin.

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