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Accession Number ADA571455
Title Asian Carp Survivability Experiments and Water Transport Surveys in the Illinois River. Volume 2.
Publication Date Jan 2013
Media Count 79p
Personal Author C. Ehrler D. Heilprin P. Herring T. Main
Abstract This report combines two earlier reports regarding investigations into the potential for barges and towboats to transport Asian carp upstream across the Army Corps of Engineers electronic dispersal barrier and release them on the Lake Michigan side of the barrier. It summarizes a series of experiments conducted during June 2011 to evaluate the potential for Asian carp larvae to be entrained into and survive in barge ballast tanks on the Illinois River. It also describes investigations in 2010 and 2012 to determine the amount of water normally carried in barge ballast tanks. Experiments were conducted in the LaGrange Reach of the Illinois River. Results indicated few Asian carp larvae were entrained and the majority of entrained fish were non- Asian carp, primarily gizzard shad. Survival of Asian carp larvae in test cages in tanks was high, even when water quality conditions were not favorable (low dissolved oxygen concentrations). A very small percentage (0.56%) of Asian carp survived for 30 minutes after being pumped through either a 2-inch or 3-inch pump. Although long-term survival following pumping was not determined, this extremely low survival rate translates to a minimal risk. Visual inspections of ballast tanks and voids on 132 barges (empty and loaded) and 14 towboats were completed in the Chicago Sanitary and Ship Canal in August 2010. An additional tank survey was conducted in July 2012 on barges operating locally near the electronic dispersal barriers. Overall, only 5% of the more than 1000 tanks surveyed contained a measurable amount of water. Dissolved oxygen in tanks ranged between 0.44 - 7.80 mg/L. Although the water quality conditions were not optimal and water depth was very shallow, tanks could support early developmental stages of Asian carp. Volume 2 is comprised of the appendices containing a test plan for experiments and field and laboratory data sheets from the original reports.
Keywords Asian carp
Ballast tanks
Barge ballast tanks
Barge tanks
Cssc(Chicago sanitary and ship canal)
Do(Dissolved oxygen)
Electrical barriers
Illinois river
Incidental introduction
Incidental transport
Invasive species(Fauna)
Lagrange reach
Lake michigan
Larval survival
Pump effects
Risk vectors
Water quality
Water temperature
Water transport

Source Agency Non Paid ADAS
NTIS Subject Category 98F - Fisheries & Aquaculture
85G - Marine & Waterway Transportation
47A - Marine Engineering
Corporate Author Coast Guard Academy, New London, CT. Research and Development Center.
Document Type Technical report
Title Note Final rept.
NTIS Issue Number 1316
Contract Number HSCG32-10-D-R00021 HSCG32-11-P-E55003

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