Dam-Sheds: Tribes Report Calculates Loss Of Spring/Summer Chinook On Upper Snake River Due To Dams At 1.4 Million Fish
March 22nd, 2024
An estimated 1.4 million spring/summer Chinook salmon were lost after multiple dams were constructed on the upper Snake River, according to a loss assessment recently completed by the Upper Snake River Tribes Foundation.
Invasive Walleye Moving Higher Into Snake River Basin, Threatening Wild, Hatchery Stocks Of Juvenile Salmon, Steelhead, Lamprey
March 22nd, 2024
Walleye, an invasive species with a reputation for a voracious appetite, has moved down the Columbia River from Lake Roosevelt and are now being counted in increasing numbers upstream of Lower Granite Dam on the Snake River, according to a report by the Idaho Department of Fish and Game.
Montana Climate Office Says Western Montana Headed To Lowest Snowpack Ever Seen; Big Ripple Effects Downstream Of Three Major Rivers’ Headwaters
March 22nd, 2024
Snowpack this winter continues to be at an all-time low across several river basins in western Montana, indicating that this year could see water shortages, according to recent projections from the Montana Climate Office.
Ocean Conditions Key For Columbia River Basin Salmon/Steelhead Survival, NOAA Researchers Say About Average In 2023
March 22nd, 2024
urvival of Columbia River basin salmon and steelhead is poor – in most cases less than 2 percent smolt to adult returns – compared to a Northwest Power and Conservation SARs goal of 6 percent, according to a presentation at the Council’s March meeting.
This Year’s West Coast Ocean Salmon Fishing Alternatives Reflect Expected Low Abundance Of ESA-Listed Salmon Stocks, In-Season Cuts Possible
March 22nd, 2024
Fishery managers have developed options for Washington’s ocean salmon fisheries that reflect lower numbers of several coho salmon stocks predicted to return this year.
Strong, Ocean-Warming El Nino Has Arrived But Researchers Say California Current Ecosystem Should Hold Up Better Than Last Time (2015)
March 22nd, 2024
The California Current ecosystem is a vital ocean system stretching from Washington to Baja California. It is facing a strong 2024 El Niño event, a cyclical warming of the Pacific Ocean. However, the latest information from NOAA’s Integrated Ecosystem Assessment program suggests the ecosystem is better positioned to weather these changing conditions than previous El Niño events.
OSU, NOAA Publish First Study Examining Marine Heat Wave Impacts On Entire Ocean Ecosystem In California Current, Food Webs Disrupted
March 22nd, 2024
Marine heat waves in the northeast Pacific Ocean create ongoing and complex disruptions of the ocean food web that may benefit some species but threaten the future of many others, a new study has shown.
Study: Low Oxygen Conditions (Hypoxia) Widespread, Increasing Off Pacific Northwest Coast
March 22nd, 2024
Low oxygen conditions that pose a significant threat to marine life are widespread and increasing in coastal Pacific Northwest ocean waters as the climate warms, a new study shows.
Work Progresses On Removing Second Of Four Dams On Klamath River; Copco No. 1 Should Be Gone By End Of Summer
March 22nd, 2024
Following a successful test blast, the Klamath River Renewal Corporation will proceed with the removal of the Copco No. 1 Dam, the second dam to be removed as a part of the Klamath dam removal project. The Copco No. 1 Dam, constructed in 1918 for the sole purpose of hydroelectric power generation, has blocked fish passage for over 100 years and is expected to be fully removed by the end of August.