Historically, spring-run and fall-run Chinook salmon have been considered as separate subspecies, races, ecotypes, or even as separate species of fish. A new genetic analysis, however, shows that the timing of migration in ...
Plants & Animals
Oct 29, 2020
0
124
Chemical signatures imprinted on tiny stones that form inside the ears of fish show that two of Alaska's most productive salmon populations, and the fisheries they support, depend on the entire watershed.
Ecology
May 23, 2019
0
128
The impact of hatcheries on salmon is so profound that in just one generation traits are selected that allow fish to survive and prosper in the hatchery environment, at the cost of their ability to thrive and reproduce in ...
Evolution
Dec 19, 2011
100
0
A team of Michigan State University researchers has developed a new, more efficient way of cloning zebra fish, a breakthrough that could have implications for human health research.
Biotechnology
Aug 30, 2009
0
0
To help struggling salmon populations, the state of Washington is legally required to replace hundreds of culverts that divert streams under roadways. The state transportation department is replacing old, rusting metal pipes ...
Ecology
Oct 19, 2023
0
77
Four decades of conservation spending totaling more than $9 billion in inflation-adjusted tax dollars has failed to improve stocks of wild salmon and steelhead in the Columbia River Basin, according to Oregon State University ...
Ecology
Jul 28, 2023
5
219
Restoration of the critically endangered Atlantic salmon is an important issue in the rivers of Maine. Dams on Maine rivers have long been known to impact fish populations, but a new study led by the University of Maine quantifying ...
Plants & Animals
Feb 3, 2023
2
88
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
0
43
Scientists at Pacific Northwest National Laboratory (PNNL) have released a unique data set containing more than 5 million raw data points on the movement, behavior, and location of juvenile Chinook salmon as they traveled ...
Ecology
Mar 7, 2022
0
65
Researchers from Finland used genetic methods to pinpoint how a fishery for an aquaculture fish food source and changes in salmon fishing may be linked to changes in the size of wild salmon.
Plants & Animals
Feb 25, 2022
0
308
