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
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
We all know that there is nothing like hanging out with your friends for a big meal, and new research from the University of Aberdeen has shown that this is also true for Scotland's bottlenose dolphins.
Plants & Animals
Oct 11, 2023
0
128
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
A team of researchers from Sweden, the U.K and the U.S., has found that release of hatchery-reared smolts in Sweden has led to a reduction in diversity in Baltic salmon. In their paper published in Proceedings of the Royal ...
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
Aquaculture—the farming of fish and shellfish, is the world's fastest growing primary industry. It provides a healthy source of protein, oil and minerals for our rapidy expanding human population.
Ecology
Dec 1, 2020
0
117
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 Columbia River is home to one of the West Coast's most important Chinook salmon runs. Through late spring and early summer, mature fish return from the sea and begin their arduous journey upriver to spawn. In recent years, ...
Ecology
Oct 19, 2020
4
1897
Three new viruses—including one from a group of viruses never before shown to infect fish—have been discovered in endangered Chinook and sockeye salmon populations.
Plants & Animals
Sep 4, 2019
0
1014
