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July 6, 2009

Invasive aquatic weeds combated with triploid grass carp

In an effort to control non-native aquatic invasive species, the S.C. Department of Natural Resources (DNR) Aquatic Nuisance Species Program has stocked 6,325 sterile grass carp in four South Carolina public water bodies as prescribed by the 2009 SC Aquatic Plant Management Plan. Three of the water bodies are original stockings and one is an increased maintenance stocking to keep invasive plants under control.

The carp will be used as a tool to help control non-native invasive species such as hydrilla and elodeaTriploid grass carp and aid in the navigability of Lake Greenwood, Goose Creek Reservoir, Lake Cunningham and Lake Thicketty.

Aquatic invasive plant species are a serious problem in public waters throughout South Carolina. It is well-documented and acknowledged that non-native aquatic invasive species cause serious ecological and economic harm to water resources in many regions of the country as well as in South Carolina. They restrict access to fishing areas, reduce fish harvest and decrease the usefulness, attractiveness and value of public waters. Herbicides, mechanical removal, water level changes, and biological methods successfully control unwanted aquatic weed growth.

The stocking in Goose Creek Reservoir near Hanahan, S.C. is an increased maintenance stocking to compensate for a severe loss of grass carp from predation and bow hunting activities. Anglers and bow fishermen may see large grass carp in the shallows in the coming years. Please remember, it is illegal to "take" triploid grass carp from public waters according to section 50-13-1630(D) of the SC code of laws.

South Carolina's natural resources are essential for economic development and contribute nearly $30 billion and 230,000 jobs to the state's economy. Find out why Life's Better Outdoors.

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