Salmon spawning in their home rivers have the edge in mating over those born in other streams. This was the discovery of a new study examining the sex lives of Atlantic salmon in northern Finland. The results show that the ...
Plants & Animals
Feb 27, 2019
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4
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
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4
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
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5
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
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4
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
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4
Fraser River chinook, one of the most important food sources for southern resident killer whales, are in steep decline and should be listed for protection as an endangered species, a Canadian independent science committee ...
Plants & Animals
Dec 10, 2018
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7
Fish stocking as a fisheries compensation method in hydropower operations no longer meets latest legal and scientific requirements, according to a new study from the University of Eastern Finland. Published in Water International, ...
Ecology
Nov 30, 2018
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4
Male salmon are maturing earlier and becoming smaller, and it shows in their genes. This was the discovery of a study that examined scale samples from salmon in the River Teno in Northern Finland over a 40-year period, and ...
Ecology
Nov 14, 2018
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7
Hansen Creek, a small stream in southwest Alaska, is hard to pick out on a map. It's just over a mile long and about 4 inches deep. Crossing from one bank to the other takes about five big steps.
Ecology
Oct 23, 2018
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7
A Simon Fraser University study has found that steelhead trout have a remarkable life-cycle variation that responds to changes in temperature and numbers of other species of salmon. They may go to the ocean when they are ...
Ecology
Sep 28, 2018
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