Introduction of nonnative lake trout in Yellowstone Lake has affected organisms from the microscopic level in the lake to large animals in the region, according to newly published research.
Ecology
Mar 20, 2019
1
1210
The lakes in Wyoming's Wind River Mountains historically didn't contain fish, but stocking of trout that began in the early 1900s has created an environment in which hundreds of those lakes now have strong fish populations—some ...
Evolution
Jul 31, 2023
0
84
According to a new study published today in the Proceedings of the National Academy of Sciences, 40 years of reduced mercury use, emissions, and loading in the Great Lakes region have largely not produced equivalent declines ...
Environment
Nov 4, 2019
0
281
Invasive species cause biodiversity loss and about $120 billion in annual damages in the U.S. alone. Despite plentiful evidence that invasive species can change food webs, how invaders disrupt food webs and native species ...
Plants & Animals
Nov 4, 2021
0
176
Warmer temperatures are having a ripple effect on food webs in Ontario lakes, according to a new University of Guelph study.
Environment
Mar 22, 2019
5
133
A sea lamprey has no jaw, no proper teeth and no bones. Yet this predator can attach like a suction cup to a fish 100 times its size, use its tongue to burrow a hole into its side, liquefy its tissues and eat it.
Plants & Animals
May 21, 2020
0
20
Ever wondered how fish spend the winter? Using new technology, researchers from U of T Mississauga have taken a peek beneath the winter ice to reveal surprising new information about aquatic environments in winter.
Plants & Animals
Feb 28, 2020
0
339
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
(PhysOrg.com) -- Just a few years ago, scientists at the University of Wisconsin-Madison's research station in Boulder Junction, Wis., were growing sick of a crustacean delicacy - the rusty crayfish. Roughly 90,000 of the ...
Ecology
Nov 4, 2010
0
0
Steelhead trout, a member of the salmon family that live and grow in the Pacific Ocean, genetically adapted to the freshwater environment of Lake Michigan in less than 120 years.
Ecology
May 30, 2018
0
187
