The experimental extreme draining of a reservoir in Oregon to aid downstream migration of juvenile chinook salmon is showing benefits but also a mix of unintended consequences, including changing the aquatic food web and ...
Ecology
Feb 7, 2019
0
4
A plan to test the use of a new technology to help endangered salmon in a Maine river that is critical to their existence has been abandoned, at least for now.
Ecology
Jan 31, 2019
0
3
A University of Southampton study suggests that the membrane of salmon eggs may evolve to cope with reduced oxygen levels in rivers, thereby helping their embryos to incubate successfully.
Plants & Animals
Jan 31, 2019
0
16
Each year wild salmon return to the streams in which they were born to spawn and die. Salmon fishery managers must ensure that adequate numbers of fish return each year to spawn and produce offspring for future harvest. ...
Plants & Animals
Jan 21, 2019
0
5
Over the years, scientists have identified dams, pollution and vessel noise as causes of the troubling decline of the Pacific Northwest's resident killer whales. Now, they may have found a new and more surprising culprit: ...
Plants & Animals
Jan 19, 2019
1
246
Authorities in the western US state of Oregon have euthanized four sea lions in the last month as part of a program to protect salmon runs and steelhead trout that are at risk of going extinct.
Ecology
Jan 12, 2019
0
19
Hundreds of surrogate "fish" will be put to work at dams around the world through an agreement between ATS—Advanced Telemetry Systems—and the Department of Energy's Pacific Northwest National Laboratory (PNNL) to improve ...
Plants & Animals
Jan 9, 2019
0
4
Scientists have published a novel method for counting Pacific salmon—analyzing DNA from the slime the fish leave behind in their spawning streams.
Ecology
Jan 3, 2019
0
216
A new article published today in the journal Arctic points to major challenges in the ways traditional knowledge is included in the management of Atlantic salmon in Norway and Finland. Comparing different policy and research ...
Ecology
Dec 21, 2018
0
4
The ability to smell is critical for salmon. They depend on scent to avoid predators, sniff out prey and find their way home at the end of their lives when they return to the streams where they hatched to spawn and die.
Ecology
Dec 18, 2018
4
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