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Description of Work The USGS will communicate these results through coordinating site visits to demonstrate how technologies are applied. USGS will coordinate the communication approach across multiple projects to most efficiently demonstrate technologies and get the information to the stakeholders and managers. A demonstration of Asian carp control technologies occurred in August 2013 near Morris, Illinois at a backwater pond of the Illinois River. State and federal partners were invited to visit an application of the Integrated Pest Management approach to Asian carp control. Water guns, algal feeding attractant, acoustic fish tracking, and commercial fishing were implemented in a coordinated manner to reduce...
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Description of Work USGS researchers have determined the densities of the eggs as these develop, and how much time the bighead and silver carp require to begin swimming and migrating laterally from flowing water into nursery habitat. This information about egg transport requirements was used to create a Tributary Assessment Tool also referred to as the Fluvial Egg Drift Simulator (FluEgg) model. The development of this tool was a collaborative effort between USGS and the University of Illinois. The tool takes into account the hydraulics of a river (water velocity and dispersion rates) and the water temperature (affects egg and larvae development rates) in order to determine if a river is sufficiently long and the...
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Products Duncker, J.J. and Johnson, K.K., 2015, Hydrology of and current monitoring issues for the Chicago Area Waterway System, northeastern Illinois: U.S. Geological Survey Scientific Investigations Report 2015–5115, 48 p., http://dx.doi. org/10.3133/sir20155115.
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Description of Work Several techniques will be used to characterize these potential controlling factors and data collection will be coordinated with the other agencies efforts to provide maximum complementary data collection and analysis. Flow, velocity and a suite of water-quality parameters (water temperature, pH, dissolved oxygen, specific conductance, chlorophyll-a, blue-green algae, nitrate and turbidity) will be collected in the main channel and backwater areas of the river. Plankton sampling data from the Illinois Department of Natural History will be used to characterize the available food supply in this reach of the river. Day-to-day movement of Asian carp recorded from field observations and telemetered...
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Description of Work Two large-scale and complex applications of rotenone (a fish poison) in the Chicago Area Waterway System (CAWS) occurred in 2009 and 2010 to combat invasive Asian. Rotenone is a fish toxicant that targets gill-breathing organisms by inhibiting respiration and breaks down quickly in the environment. In December 2009, rotenone was applied in the Chicago Area Waterway System (CAWS) at multiple stations through a 6.2-mile reach of the canal near Lockport, Illinois. The rotenone was being applied as a precautionary measure during maintenance of the electric fish barrier in place to keep the Asian carp out of the Great Lakes. Tracking the movement of the rotenone is critical to time the addition of...