New Study Measures 38 Years Of Glacier Change In Alaska’s Kenai Fjords; 13 Of 19 Show Substantial Retreat
August 11th, 2022
As glaciers worldwide retreat due to climate change, managers of national parks need to know what’s on the horizon to prepare for the future. A new study from the University of Washington and the National Park Service measures 38 years of change for glaciers in Kenai Fjords National Park, a stunning jewel about two hours south of Anchorage.
Read the Full Article
New Hood River Study: Spawning Hatchery Steelhead Have Little Influence On Wild Fish Productivity
July 28th, 2022
Though federal and state biologists have agreed to stop releasing hatchery winter and summer steelhead into the Hood River basin, a new study says that hatchery fish spawning in the river have little influence on wild winter steelhead productivity. Other variables, such as stream flow, abundance of sea lions in the Columbia River and ocean conditions have more influence than hatchery fish on the river’s spawning grounds.
Read the Full Article
‘Intensively Monitored Watersheds’ Report Details Habitat Restoration Benefits For Juvenile Salmon, But Lack Of Increase In Adult Abundance
July 8th, 2022
In the Pacific Northwest, thirteen watersheds are “intensively monitored” to provide key data on regional salmon and steelhead recovery efforts. A new report has mixed messages about the success of habitat restoration in boosting returns of adult fish listed under the Endangered Species Act.
Read the Full Article
U.S., Canadian Scientists Publish Review Of Mining Risks To Salmon-Bearing Watersheds; 3,600 Active, Abandoned Mines Sitting In Fish Habitat
July 7th, 2022
Recently, a group of 23 science and policy experts from the U.S. and Canada published a review of mining risks to watersheds ranging from Montana to British Columbia and Alaska.
Read the Full Article
OSU, Yurok Tribe Launch Partnership To Study What Klamath River Watershed Will Look Like After Dam Removal
July 7th, 2022
Oregon State University researchers will embark this month on a 3½-year partnership with the Yurok Tribe to study what the connections between river quality, water use and the aquatic food web will look like after four Klamath River dams are dismantled.
Read the Full Article
Using 60 Years Of Data, Idaho Study Details How Climate Change Is Shrinking Salmon Habitat
June 30th, 2022
A new study led by a University of Idaho researcher offers high-resolution details on how Chinook salmon habitats, due to climate change, are being lost on Bear Valley Creek, a headwater stream of the Salmon River in central Idaho.
Read the Full Article
Salmon Predation In The North Pacific: UW Study Shows How Salmon Group Size Affects Predation Risk, Foraging Success
June 30th, 2022
Animals that live in groups tend to be more protected from predators. That idea might be common sense, but it’s difficult to test for some species, especially for wild populations of fish that live in the ocean.
Read the Full Article
Raining Microplastics: Flathead Lake May Look Clean, But Study Details Microplastic Pollution And Its Sources
June 30th, 2022
While researchers have known for years that microplastics exist in Flathead Lake, the concentrations and origins of the microplastic pollution have remained a mystery.
Read the Full Article
Global Warming Causing Ocean To Lose Memory; Creates Challenge For Climate Predictions, Managing Marine Resources
June 8th, 2022
Using future projections of the latest generation of Earth system models, a new study found that most of the world's ocean is steadily losing its year-to-year memory under global warming.