Nineteen major populations of wild Pacific salmon in the Fraser River are projected to decline over the next 25 years—but it's not too late to boost their chances of recovery.
Ecology
Jul 20, 2022
0
7
California's Chinook salmon haven't been able to reach the McCloud River since 1942, when the construction of Shasta Dam blocked the fish from swimming upstream and sealed off their spawning areas in the cold mountain waters ...
Plants & Animals
Jul 18, 2022
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46
Salmon lice are one of the biggest challenges for the Norwegian aquaculture industry today and pose a threat to wild salmon. The authorities have therefore introduced several measures to reduce the lice levels in production ...
Ecology
Jul 14, 2022
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25
As climate change continues to worsen, heatwaves like one that killed hundreds of people as it rolled across the Pacific Northwest last summer have become more common and more extreme. These heatwaves can lead to mass die-offs ...
Plants & Animals
Jul 8, 2022
0
32
Animals that live in groups tend to be more protected from predators. That idea might be common sense, but it's difficult to test for some species, especially for wild populations of fish that live in the ocean.
Ecology
Jun 29, 2022
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43
Salmon famously travel hundreds of miles upstream to reach their home waters to spawn, but climate change is shrinking their destination. A new study offers high-resolution details on how Chinook salmon habitats are being ...
Earth Sciences
Jun 28, 2022
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139
The endangered southern resident killer whale population isn't getting enough to eat, and hasn't been since 2018, a new University of British Columbia (UBC) study has determined.
Plants & Animals
Jun 27, 2022
0
1312
As we know, our genes can greatly affect our health. We can inherit genetic disorders and defects as well as positive traits from our parents. But our genes are not the only players contributing to our health.
Plants & Animals
Jun 23, 2022
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14
Researchers at the University of Jyväskylä, Finland, have found that the larvae of freshwater pearl mussel survive best in the original salmon fish population of their home river. Their study was published in Freshwater ...
Plants & Animals
Jun 21, 2022
0
19
Research led by the University of Southampton has revealed that an abrupt change in climate conditions in the North Atlantic around 800 years ago played a role in a decline in Atlantic salmon populations returning to rivers. ...
Plants & Animals
Jun 8, 2022
0
39
