Limnology

In this Oct. 17, 2019, photo provided by the U.S. Fish and Wildlife Service, a pile of recently dead freshwater mussels are piled along the shore of the Clinch River near Wallen Bend, Tenn. While freshwater mussels have been plagued for decades by habitat loss, invasive species, pollution, sedimentation and other issues, there's a possibility that the die-off in the Clinch River could be connected to infectious disease. (Meagan Racey/U.S. Fish and Wildlife Service via AP)
December 17, 2019 - 12:07 am
KYLES FORD, Tenn. (AP) — On a recent late fall afternoon at Kyles Ford, the white branches of sycamore trees overhung the banks of the Clinch River, leaves slowly turning yellow. Green walnuts covered the ground. The shallow water ran fast and cold over the rocky bottom, but it was littered with...
Read More
FILE - In this June 13, 2012, file photo, Asian carp, jolted by an electric current from a research boat, jump from the Illinois River near Havana, Ill. Sport fish have declined significantly in portions of the Upper Mississippi River infested with Asian carp, apparently confirming fears about the invaders' threat to native species, according to a newly released study. Analysis of more than 20 years of population data suggests the carp are out-competing fish prized by anglers, such as yellow perch, bluegill, and black and white crappie, the report said. (AP Photo/John Flesher, File)
KNSS News
November 16, 2019 - 10:16 am
TRAVERSE CITY, Mich. (AP) — A new study says sport fish have declined significantly in portions of the Upper Mississippi River infested with Asian carp. The study’s lead author says it’s among the first to establish a solid link between the presence of invasive carp and a drop-off of native species...
Read More
U.S. Sen. Mike Rounds, R-SD, chairman of the Senate subcommittee on Superfund, Waste Management and Regulatory Oversight, listens as Bill Beacom of Sioux City, Iowa, a retired Missouri River ship captain, makes a point after Rounds held a hearing on the U.S. Army Corps of Engineers' management of 2019 Missouri River Basin flooding Wednesday, Aug. 28, 2019, in North Sioux City, South Dakota. (Tim Hynds/Sioux City Journal via AP)
August 28, 2019 - 8:27 pm
NORTH SIOUX CITY, S.D. (AP) — An official with the U.S. Army Corps of Engineers said Wednesday a study is needed to consider changes to flood-control measures along the Missouri River south of Sioux City, Iowa. Speaking after a U.S. Senate field hearing in North Sioux City, South Dakota, Brig. Gen...
Read More
May 04, 2019 - 11:31 am
FLAGSTAFF, Ariz. (AP) — Ted Kennedy sums up what he sees along the river in the Grand Canyon: "It's buggy out there." That is to say, an experiment to change the flow of water from a dam near the Arizona-Utah state line appeared to boost the number of aquatic insects that fish in the Colorado River...
Read More
This undated photo provided by the European Space Agency, ESA, shows the surface of the Mars. Scientists say images of Martian craters taken by European and American space probes show there likely once was a planet-wide system of underground lakes. (NASA/JPL-Caltech/MSSS via AP)
March 01, 2019 - 10:46 am
BERLIN (AP) — Scientists say images of craters taken by European and American space probes show there likely once was a planet-wide system of underground lakes on Mars. Data collected by NASA and ESA probes orbiting the red planet provide the first geological evidence for an ancient Martian...
Read More
August 20, 2018 - 12:37 pm
DENVER (AP) — In a story Aug. 15 about the Colorado River, The Associated Press, relying on information from the U.S. Bureau of Reclamation, reported erroneously when potential cutbacks could begin if a shortage is declared. A shortage could be declared in the latter part of 2019, and cutbacks...
Read More