Because walleyes are a cool-water fish species with a limited temperature tolerance, biologists expected them to act like the proverbial "canary in a coal mine" that would begin to suffer and signal when lakes influenced ...
Plants & Animals
Mar 1, 2021
0
18
Fishery collapses can be difficult to forecast and prevent due to hyperstability, a phenomenon where catch rates remain high even as fish abundance declines. In a recent Canadian Journal of Fisheries and Aquatic Sciences ...
Ecology
Apr 30, 2020
0
7
It's not spring in New England until the herring are running. From late February to early April, two species of herring —alewife and blueback herring—return from the ocean and swarm the region's ponds and streams, seeking ...
Ecology
Mar 16, 2020
0
7
Sea trout populations have declined sharply. Researchers have studied the life of sea trout by means of acoustic telemetry tags and listening stations. Now they know more about what we need to do to protect the sea trout ...
Plants & Animals
Feb 20, 2020
0
18
Warm waters are a threat to cold water fish like salmon and trout. But a study led by researchers at University of California, Davis suggests that habitats with abundant food sources may help buffer the effects of increasing ...
Plants & Animals
Dec 11, 2019
0
3
A new study has found an unexpected connection between water levels in lakes and toxic mercury levels in fish. When droughts cause water levels to drop, the levels of mercury found in fish also plummet. In wetter weather, ...
Environment
Dec 21, 2018
0
13
Walleye, an iconic native fish species in Wisconsin, the upper Midwest and Canada, are in decline in northern Wisconsin lakes, according to a study published this week in the Canadian Journal of Fisheries and Aquatic Sciences.
Ecology
Mar 29, 2018
0
25
A new study shows that human waste accounts for a high percentage of nutrients consumed by some animals and plants in suburban ponds.
Environment
Dec 12, 2017
1
6
For many Canadians, summer time means time at the lake, swimming, fishing, boating, and relaxing. Nothing can spoil this experience like blue-green mats of muck, caused by algal blooms. These blooms negatively affect not ...
Environment
Sep 13, 2017
0
7
Steelhead trout are entrenched in the economy, ecology, and culture of the Pacific Northwest. Declining numbers of steelhead in the rivers flowing through British Columbia, Washington state, and Oregon are troubling fishers ...
Ecology
Jun 26, 2017
1
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