It's a mystery. Invasive sea lamprey, the Great Lakes' biggest predator, primarily feed on lake trout, one of the lakes' most prized sports fish. When trout populations are high, researchers expect to see fewer lamprey-wounded ...
Plants & Animals
Sep 28, 2020
0
53
More than 50 invasive Asian carp were caught this week in the Mississippi River above Minnesota's southernmost dam, causing biologists and state wardens to fear that the threshold they've long worried about may have finally ...
Ecology
Mar 16, 2020
2
8
Native fish discovered with spinal deformities in California's Sacramento-San Joaquin Delta in 2011 were exposed to high levels of selenium from their parents and food they ate as juveniles in the San Joaquin River, new research ...
Ecology
Feb 24, 2020
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15
A new study highlights that sub-Antarctic seabirds are most at risk from unsustainable fishing during the southern hemisphere winter and in the south Atlantic and Southwest Indian Oceans. The link between fishing and the ...
Ecology
May 22, 2019
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5
Ted Kennedy sums up what he sees along the river in the Grand Canyon: "It's buggy out there."
Environment
May 4, 2019
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6
Across the Great Lakes, collections of underwater rocks have been incubators for native fish eggs.
Environment
Jan 24, 2019
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5
For the first time researchers studying a deadly virus modeled how it spreads to young trout and salmon in the waters of the Columbia River Basin, showing that migrating adult fish are the main source of exposure.
Ecology
Apr 20, 2018
0
9
Citizen science surveys compare well with traditional scientific methods when it comes to monitoring species biodiversity – according to new research from the University of East Anglia.
Ecology
Mar 12, 2013
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0
Phragmites australis, an invasive species of plant called common reed, grows rapidly into dense stands of tall plants that pose an extreme threat to Great Lakes coastal wetlands. Early treatment is the key to controlling ...
Environment
Dec 17, 2012
2
1
North American freshwater fishes are going extinct at an alarming rate compared with other species, according to an article in the September issue of BioScience. The rate of extinctions increased noticeably after 1950, although ...
Ecology
Aug 10, 2012
0
0
