More than half of Switzerland's native fish species are threatened with extinction or are already extinct within the country's waters, a new assessment showed Wednesday.
Ecology
Feb 8, 2023
0
24
They've been pushed to the brink of extinction by dams, drought, extreme heat and even the flare of wildfires, but now California's endangered winter-run Chinook salmon appear to be facing an entirely new threat—their own ...
Plants & Animals
Jan 4, 2023
0
86
The growth rate of seafood farming worldwide peaked in 1996 according to new UBC research, highlighting the importance of rebuilding wild fish stocks to feed future demand.
Agriculture
Nov 14, 2022
0
5
The quality of food that sockeye salmon eat along their migration routes is more important than quantity to their growth and condition, a new study has found, highlighting concerns about the effects of climate change on ocean ...
Plants & Animals
Oct 20, 2022
0
2
Struggling salmon populations could get some help from the sky. A Washington State University study showed that drone photography of the Wenatchee River during spawning season can be effective in estimating the number of ...
Plants & Animals
Oct 19, 2022
0
16
As marine species continue to decline worldwide, the southern resident killer whale population—which now stands at 75 individuals—along the west coast of North America, has baffled scientists who are trying to understand ...
Plants & Animals
Sep 21, 2022
0
30
In less than 20 years, wild Chinook salmon may disappear. But one group nestled in Central Idaho's rugged wilderness may be the key to the threatened species' recovery throughout the Northwest.
Plants & Animals
Aug 15, 2022
1
4
Researchers had the idea of feeding ragworms with locally-cultivated seaweeds. The results were as gold-edged as the worms themselves—a high-quality, locally-sourced and sustainable feed for farmed salmon.
Ecology
Aug 11, 2022
0
43
A team of scientists, including one from Oregon State University, concluded in a recent paper that breaching four dams in the Lower Snake River Basin in Washington provides the best and only reasonable opportunity to promote ...
Plants & Animals
Jul 27, 2022
0
10
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
