A new University of Alaska-led study provides the first evidence that declines in many of Alaska's chinook salmon populations can be attributed in part to climate-driven changes in their freshwater habitats.
Plants & Animals
Jul 9, 2020
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88
We hear so much about missing wild salmon and recently a record run. But Simon Fraser University scientists say a population explosion of hatchery and wild salmon in the North Pacific Ocean is leading hatchery fish to beat ...
Ecology
Oct 4, 2010
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0
Preventing the long-imperiled Atlantic salmon from disappearing from American waters will require the U.S. to put pressure on Inuit fishermen in Greenland to stop harvesting a fish that has fed them for hundreds of years, ...
Ecology
Mar 13, 2016
2
27
In a milestone decision, federal regulators on Thursday signed off on plans to demolish four aging dams along the Klamath River, paving the way for hundreds of miles of native fish habitat along the California-Oregon border ...
Ecology
Nov 18, 2022
1
51
Scientists have found that only about ten percent of the fall-run Chinook salmon spawning in California's Mokelumne River are naturally produced wild salmon. A massive influx of hatchery-raised fish that return to spawn in ...
Ecology
Feb 8, 2012
0
0
Have you ever been stressed and forgot what you were doing? Chronic mild stress may explain why many salmon don´t return to our rivers and why 20% of salmon production is lost every year.
Ecology
Sep 24, 2013
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0
Salmon runs are notoriously variable: strong one year, and weak the next. New research shows that the same may be true from one century to the next.
Ecology
Jan 14, 2013
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0
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
Nonnative species can affect the biogeochemistry of an ecosystem. For instance, Pacific salmon have been introduced as a sport fishery in many streams and lakes beyond their native range, but their introduction may be altering ...
Ecology
Apr 5, 2013
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0
(Phys.org) -- Competition with pink salmon in the open ocean could be an important factor in the long-term decline in abundance of sockeye salmon populations in the Fraser River, according to new research from Simon Fraser ...
Ecology
May 18, 2012
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0
