Lake Seminole Hydrilla Action Plan: Development and Implementation
Eubanks, Michael J.
Morgan, Donald M.
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This paper describes an effort by the U.S. Army Corps of Engineers (Corps) to manage the invasive aquatic plant Hydrilla verticillata (hydrilla). This plant causes serious water resource problems such as adverse impacts to small boat navigation, water quality, fish and wildlife habitat, water-borne recreation, and hydropower production. An integrated management plan, including several traditional chemical, biological, and mechanical methods, was developed to address reducing the coverage of hydrilla on the lake and to enhance restoration of mixed native aquatic plant communities. Two of the hydrilla management tools that are in the process of implementation on Lake Seminole, grass carp confined behind electric fish barriers and low dose herbicide application system, are innovative technologies, particularly for the scale being applied on the lake. Both techniques are showing excellent potential to provide significant hydrilla control on Lake Seminole, as well as other areas, at considerable cost savings compared with traditional herbicide applications or mechanical harvesting.