Federal agencies required a minimum criteria of 96 percent of spring-migrating and 93 percent of summer-migrating juvenile salmon had to survive passage over Lower Granite Dam, located in southeastern Washington. Because ...
Plants & Animals
Sep 2, 2020
0
4
Summer has finally arrived in the northern reaches of Canada and Alaska, liberating hundreds of thousands of northern stream fish from their wintering habitats.
Plants & Animals
Jul 7, 2020
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4
For Atlantic salmon, size matters when it comes to love. Larger males and females that may spend up to four years at sea produce many more babies, but they are very rare compared to younger fish.
Plants & Animals
Jun 23, 2020
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4
Researchers in Oregon State University's College of Agricultural Sciences have taken a step closer to solving one of nature's most remarkable mysteries: How do salmon, when it's time to spawn, find their way back from distant ...
Ecology
May 4, 2020
0
217
Research shows that even fish farmers have doubts as to whether using cleaner fish is an effective delousing method. "Fish farmers tell us that they want a ban on the use of certain species. They're also very critical of ...
Plants & Animals
Apr 14, 2020
1
78
A team of researchers from the Norwegian University of Science and Technology, Tallinn University of Technology and Estonia University of Life Sciences has found evidence that suggests salmon living in fish farms prefer to ...
Salmon farmers battling large numbers of parasites that flourish on fish farms are seeking—and finding—new ways to cut their losses and protect marine wildlife.
Ecology
Feb 18, 2020
2
123
Alaska's Tongass and Chugach National Forests, which contain some of the world's largest remaining tracts of intact temperate rainforest, contribute an average of 48 million salmon a year to the state's commercial fishing ...
Ecology
Feb 7, 2020
0
8
The manipulation of rivers in California is jeopardizing the resilience of native Chinook salmon. It compresses their migration timing to the point that they crowd their habitats. They may miss the best window for entering ...
Ecology
Dec 13, 2019
0
28
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
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3
