California Steelhead Study Suggests Ocean Migration Timing More To Do With Lengthening Spring Daylight Than Flows
September 17th, 2020
Endangered steelhead in California might use its internal clock to decide when to migrate, according to a study by the University of Cincinnati.
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Study Brings Forth Important New Information About Pacific Lamprey Life History Traits, Focus On Adult Body Size, Maturity
August 27th, 2020
Pacific lamprey is a relatively understudied species compared to other anadromous fish, such as salmon and steelhead. Basic biological information has been lacking and there is still uncertainty regarding its life history diversity.
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Study Indicates Wastewater Containing COVID-19 Could Be Threat To Natural Water Sources; OSU Gets $1.2 Million Grant To Expand Sewer Surveillance
August 27th, 2020
Wastewater containing coronaviruses may be a serious threat, according to a new, global study led by researchers from the Zuckerberg Institute for Water Research at Ben-Gurion University of the Negev (BGU).
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Alaska Salmon Getting Smaller, Returning To Rivers Younger; Climate Change, Competition With Growing Numbers Of Hatchery Fish In Ocean
August 19th, 2020
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, Santa Cruz, and the University of Alaska Fairbanks.
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Study Shows Difficulty Of Predicting Drought In American West, El Nino Cycles Unreliable; Atmospheric Dynamic The Wild Card
August 13th, 2020
People hoping to get a handle on future droughts in the American West are in for a disappointment, as new University of Southern California-led research spanning centuries shows El Niño cycles are an unreliable predictor.
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In New Research NOAA Scientists Introduce ‘Thermal Displacement’ Metric Showing How Ocean Heatwaves Shift Habitats
August 6th, 2020
Marine heatwaves across the world's oceans can displace habitat for sea turtles, whales, and other marine life by 10s to thousands of kilometers. They dramatically shift these animals' preferred temperatures in a fraction of the time that climate change is expected to do, new research shows.
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Looking For Sources Of Imnaha River Steelhead Mortality, A Discovery: Huge Numbers Of PIT-Tags At Great Blue Heron Rookery
July 30th, 2020
To get a better idea of how much predation plays in steelhead populations, a couple of Nez Perce Tribe Fisheries biologists began looking for clues at a heron rookery on northeast Oregon’s Wallowa River.
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Idaho Asks For Anglers Help In Second Year Of Wild Steelhead Study, Provides Data On How Well Fish Survive After Release
July 30th, 2020
To aid a research project, Idaho steelhead anglers are once again being asked to watch for tagged steelhead they might catch during the 2020-21 steelhead fishing seasons, and report tagged fish if they catch one.
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How Do Steelhead Build Their Nests? Eavesdropping Seismic Sensors In Washington River Stirs Up Some Answers
July 30th, 2020
Steelhead trout stir up the sediment of the river bed when building their spawning pits, thus influencing the composition of the river bed and the transport of sediment. Until now, this process could only be studied visually, irregularly and with great effort in the natural environment of the fish.