Not having enough Chinook salmon to eat stresses out southern resident killer whales in the Pacific Northwest more than having boatloads of whale watchers nearby, according to hormone levels of whales summering in the Salish ...
Plants & Animals
Jun 6, 2012
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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 mounting evidence ...
Ecology
May 14, 2012
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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
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Researchers at the University of Oviedo (Spain) have come up with a way of tagging gunpowder which allows its illegal use to be detected even after it has been detonated. Based on the addition of isotopes, the technique can ...
Ecology
Jan 12, 2012
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(PhysOrg.com) -- Scientists have shown for the first time that salmon can be artificially stimulated to leap through water, opening the door to effective sea lice treatment, an infection that costs the global industry more ...
Ecology
Dec 5, 2011
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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 ...
Ecology
Nov 17, 2011
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When both a predator and its prey are conservationally at risk, it can be difficult to find the right balance of ecosystem management to sustain and protect both.
Ecology
Nov 9, 2011
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(PhysOrg.com) -- A research team at the National Institute of Standards and Technology (NIST) has provided the first look at a genetic structure that may play a critical role in the reproduction of the infectious salmon anemia ...
Cell & Microbiology
Nov 9, 2011
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(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 ...
Environment
Oct 18, 2011
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The highly contagious marine influenza virus, Infectious Salmon Anaemia (ISA) has for the first time been officially reported after being found in the Pacific on B.C.’s central coast.
Ecology
Oct 17, 2011
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