Asian Carp in Great Lakes Can Destroy $US 7 Billion Sport-Fishing Industry
Asian carp prevailing in Great Lakes and other connected waterways have been tested for searching environmental DNA (eDNA). This search gave a lot of alarming results. Chicago Area Waterway System (CAWS) carries a number of potential sources of Asian carp eDNA, which is showed by field and laboratory tests.
Various potential sources include - ice used to store Asian carp gets flowed into storm severs which further dissipated in CAWS, fishing gears used by anglers carries Asian carp DNA, fish eating birds can have Asian carp DNA in their waste, banks of river and stream can carry Asian DNA.
The invasive species of carp like Silver, bighead, grass can disturb the aquatic food chains and out-compete native fish. Residents living near Great Lakes believe that if the carps reached this lake than it can damage and affect region's $US 7 billion sport-fishing industry. Eurasia natives of carps escaped from the water bodies in southern region of United States since 1970s. They are presently contaminated large area of Mississippi River Basin.
The eDNA results since 2009 have been giving up alarms that the species of carps have reached much closer to Great Lakes. Some test has also revealed that some of the carps must have reached the Great Lakes till now but the eDNA results are still inconclusive of that.
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