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 researchers from the Norwegian Institute for Nature Research and Rådgivende Biologer, has found that interbreeding between farmed salmon and wild salmon is changing the life cycle of the wild salmon. In their paper ...
Piscine orthoreovirus (PRV) - which is associated with kidney and liver damage in Chinook salmon—is continually being transmitted between open-net salmon farms and wild juvenile Chinook salmon in British Columbia waters, ...
Ecology
May 26, 2021
0
486
The diversity and numbers of wild salmon in Northern B.C. have declined approximately 70 percent over the past century, according to a new Simon Fraser University study.
Ecology
Feb 22, 2021
0
68
Releasing captive-bred Atlantic salmon into the ocean, a long-standing practice to boost stocks for commercial fishing, reduces the rate at which wild populations reproduce and may ultimately do more harm than good, researchers ...
Plants & Animals
Oct 21, 2020
0
623
The size of salmon returning to rivers in Alaska has declined dramatically over the past 60 years because they are spending fewer years at sea, according to a new study led by researchers at the University of California, ...
Ecology
Aug 19, 2020
0
1631
Once spring-run chinook salmon disappear, they are not likely to re-emerge, indicates genetic analysis of the revered wild fish in a study led by the University of California, Davis. Prompt conservation action could preserve ...
Ecology
Dec 4, 2018
0
160
New research published today in the journal Scientific Reports has revealed for the first time that half of the world's farmed fish have hearing loss due to a deformity of the earbone.
Ecology
Apr 28, 2016
4
239
Farmed salmon show full reproductive potential to invade wild gene pools and should be sterilised - according to new research from the University of East Anglia (UEA).
Ecology
Mar 9, 2014
2
0
(Phys.org)—An "unexpectedly large" number of free-ranging salmon are being killed by parasitic lice in European waters every year, according to the results of a major international study.
Ecology
Nov 7, 2012
2
0
