Table
A
of Sediment Covers
.
Characteristic
Description
Target
Nuisance rooted plants.
Prevents plant growth by a physical barrier over
Mode of action
--
reservoir sediments.
Effective; problem often eliminated.
Effectiveness
Months to years.
Longevity
Elimination of habitat.
Negative features
Installation may be difficult and costly.
May float to surface and clog intake structures.
May annoy waders at swim beaches.
Ranges from ,400 to ,000
plus installation,
depending upon material selected.
Applicability to
Suitable for eliminating plants in selected areas such
as marinas, swimming areas, and docks.
reservoirs
References
Armour, G. D., D. W. Brown, and K.
1979. "Studies on Aquatic
Macrophytes; Part XV, An Evaluation of Bottom Barriers for Control of Eurasian
Watermilfoil in British Columbia," Water Investigations Branch, Province of
British Columbia, Vancouver, BC, Canada.
Boston, H. L., and M. A. Perkins.
1982. "Water Column Impacts of Macrophyte
Decomposition Beneath Fiberglass Screens," Aquat. Bot.,
Cooke, G. D. 1980. "Covering Bottom Sediments as a Lake Restoration Tech-
nique," Wat. Res. Bull.,
Cooke, G. D., and M. E. Gorman.
1980. "Effectiveness of DuPont Typar
Sheeting in Controlling Macrophyte Regrowth After Over-winter Drawdown," Wat.
Res. Bull.,
Cooke, G. D., E. B. Welch, S. A . Peterson, and P. R.
1986.
Lake and
Reservoir Restoration, Ann Arbor Science, Butterworth Publishers,
S.
"Evaluating Sediment Blankets and a Screen for Macrophyte
1982.
Control in Lakes," Office of Inland Lake Renewal, Department of Natural
Resources, Madison, WI.
161
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