News tagged with salmon spawning
Hatchery fish mask the decline of wild salmon populations
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 ...
Feb 08, 2012 |
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Living, Meandering River Constructed
(PhysOrg.com) -- In a feat of reverse-engineering, Christian Braudrick of University of California at Berkeley and three coauthors have successfully built and maintained a scale model of a living meandering ...
Sep 29, 2009 |
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Search results for salmon spawning
Growing risks from hatchery fish
A newly published collection of more than 20 studies by leading university scientists and government fishery researchers in Alaska, British Columbia, Washington, Oregon, California, Russia and Japan provides ...
May 14, 2012 |
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Steelhead trout lose out when water is low in wine country
(Phys.org) -- The competition between farmers and fish for precious water in California is intensifying in wine country, suggests a new study by biologists at the University of California, Berkeley.
May 08, 2012 |
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Why letting salmon escape could benefit bears and fishers
New research suggests that allowing more Pacific salmon to spawn in coastal streams will not only benefit the natural environment, including grizzly bears, but could also lead to more salmon in the ocean and ...
Apr 10, 2012 |
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Sunlight and bunker oil a fatal combination for Pacific herring
The 2007 Cosco Busan disaster, which spilled 54,000 gallons of oil into the San Francisco Bay, had an unexpectedly lethal impact on embryonic fish, devastating a commercially and ecologically important species for nearly ...
Dec 26, 2011 |
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Genetic buzzer-beater genes may save fish
Two distinct populations of rainbow trout -- one in Alaska, the other in Idaho -- share a genetic trait that could have huge implications for fisheries conservation and management, an eight-member research team reports.
Nov 29, 2011 |
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Environmental conditions and predators affect Atlantic salmon survival in the Gulf of Maine
Stocks of Atlantic salmon (Salmo salar), which have been steadily declining for the past few decades, are facing new challenges in the Gulf of Maine, where changing spring wind patterns, warming sea surface temperatures and ...
Nov 17, 2011 |
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Gold rush hurts aquatic life
Gold prospectors chasing $1,600-an-ounce flecks in river bottoms east of Charlotte also might be sucking life out of the streams, experts say.
Nov 06, 2011 |
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Glaciers make way for new stream habitat in Alaska
(PhysOrg.com) -- Researchers from the University of Birmingham and other UK universities describe the evolution and assembly of a stream ecosystem in South East Alaska in new de-glaciated terrain, from early insect and crustacean ...
Oct 18, 2011 |
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Delta smelt population on the rise, survey finds
The imperiled fish that has been at the center of California's water wars may be at its highest numbers in a decade, judging by the results of a recent survey.
Oct 14, 2011 |
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Researchers find impact of oil spill in marsh fish species
A research team led by LSU Associate Professors of Biological Sciences Fernando Galvez and Andrew Whitehead has published the results of a combined field and laboratory study showing the effects of the Deepwater Horizon oil ...
Sep 26, 2011 |
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List of search results for salmon spawning
