eDNA is more than just a carp-finding tool
The science of fisheries management has been around for well over a century. The science of eDNA may well be the biggest breakthrough in all that time – and will only become more important in the future.
Asian Carp
Invasive grass carp found in Lake Huron tributary river
The DNR says it’s the first documented capture of a grass carp from the lake that was diploid, or able to produce offspring.
DNR budget for FY 2021 mostly flat, includes $27.5 million for Asian carp fight
An interesting tidbit for the state’s sportsmen is the proposed budget’s forecast for participation in fishing, trapping and hunting. The new budget proposal projects the state will have 710,000 fishermen in FY 2021 – the same number in FY 2020 but a drastic increase over the 579,497 anglers projected back in the FY 2017 budget.
Asian carp roundup in Kentucky opens new front in battle
Much of the focus has been on limiting their northerly migration and keeping them out of the Great Lakes, where experts say they could devastate a $7 billion fishing industry. That effort features an underwater electric barrier near Chicago, water sampling for carp DNA, subsidies for commercial fishers and experiments with a mass roundup-type harvest.
Officials to use new method to corral Asian carp in Kentucky
The fishing method is inspired by a traditional Chinese fishing technique. It involves setting a series of nets, underwater speakers and electrofishing gear to corral the carp.
Wildlife agency says silver carp reported in East Tennessee
An angler told the agency a silver carp jumped into his boat as he deployed a trolling motor.
Kentucky tests ‘fish fence’ to keep out Asian carp
The fence works as a deterrent by broadcasting noise at a frequency that irritates the carp. The noise is contained within a wall of bubbles that are lit by strobes. The combination has worked well in the laboratory and in smaller-scale outdoor settings.
Fall testing: Asian carp DNA spikes in Chicago River
(Illinois DNR)Wildlife agencies are stepping up waterway testing efforts following a spike in invasive Asian carp DNA detections in the Chicago River about five miles from Lake Michigan. Read the entire story here. Categories: Asian Carp, News Tags: Asian carp, Chicago River
Study: Plenty of food to support Asian Carp in Lake Michigan, Great Lakes
A study led by University of Michigan researchers found that despite a drop-off in plankton, the tiny plants and animals on which bighead and silver carp typically feed, the lake has enough dietary options to sustain individual fish that venture away from nutrient-rich shoreline areas where most would congregate.
Fishermen removing Asian carp by the thousands from dam
Some of the invasive fish reportedly from 20 to 30 pounds.
Illinois mulling options on Asian carp issue in Lake Decatur
Thousands of the invasive carp reportedly clustering near the base of Lake Decatur dam.
States, provinces OK plan to protect Great Lakes from carp
The plan would use technology such as underwater loudspeakers, electric cables and air bubble curtains to deter the fish from migrating between the Illinois River and Lake Michigan through Chicago-area waterways.
First report of bighead carp in North Dakota waters
The invasive was verified in the James River near LaMoure.
Survey shows no Asian carp
Efforts conducted June 3-14 included environmental DNA surveillance at more than 400 sites and investigation of 602 sites for fish.
4 invasive carp confirmed in Minnesota waters
Latest fish captures do not indicate reproduction.
Illinois anglers on Asian carp plan: Just do it and get it over with
The survey came after news broke that Gov. J.B. Pritzker wrote the U.S. Army Corps of Engineers a letter last week indicating that he had authorized the state’s collaboration with preconstruction, design and engineering work in the Brandon Road Lock and Dam near Joliet.
Illinois governor OKs first steps in blocking Asian carp
Location of choice is considered a crucial choke point where the invasive carp could be prevented from migrating upstream toward the lake.
University of Toledo biologists search rivers for grass carp
A crew from the University of Toledo working with the U.S. Geological Survey found the larvae during sampling last June in the Maumee River, a Lake Erie tributary.
Invasive silver carp captured in St. Croix River
In 2017, two silver carp were captured in the same location.
For first time, Asian grass carp larvae found in Great Lakes watershed
A crew from the University of Toledo working with the U.S. Geological Survey found the larvae during sampling last June in the Maumee River, a Lake Erie tributary.
Illinois rejects $8 million from Michigan for Asian carp project
Illinois governor tells Michigan governor that the offer to support operations at the Brandon Road Lock and Dam near Joliet, Ill., won’t be useful until after an upgrade there is completed in 10 years.
Cost of keeping Asian carp from Great Lakes nearly triples
The Corps’ new plan is similar to a draft from August 2017, but the estimated price tag has jumped from $275 million to nearly $778 million.
Poll: Overwhelming public support for stronger, immediate protections to block Asian carp from Great Lakes
New survey finds over 7 in 10 residents back “fair share” funding proposal in Illinois, Indiana, Michigan, Ohio and Wisconsin.
Fort Wayne berm built to keep Asian carp out of Great Lakes
In 2010, scientists found that, after Chicago’s waterways, this marsh in Fort Wayne was the second most likely place where the carp could invade the Great Lakes.
Fisheries biologists look for answers, grass carp in Sandusky, Maumee rivers
Part of continuing efforts to remove invasive grass carp, assess grass carp capture techniques and increase information on grass carp populations in the two rivers.
Officials mystified by bighead carp discovery on Missouri-Arkansas border lake
Invasive fish found on Missouri side of Bull Shoals Lake but, “Evidence suggests this is likely an isolated incident … and no evidence of a spawning population exists at this time.”
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