California Salmon Still In Trouble: PFMC Offers Limited Rec Fishing First Time Since 2022, Repeat Closure Of Commercial Fishing

April 21st, 2025

The Pacific Fishery Management Council this week recommended limited fishing opportunities for California’s recreational ocean salmon fisheries through the end of 2025. This decision will allow for the first recreational salmon fishing in California since 2022. The PFMC also recommended a repeat year of closure for California’s commercial salmon fisheries, the third year in a row.

Washington’s Annual Wolf Report For 2024 Shows Increase In Gray Wolf Packs, Decrease In Overall Minimum Count

April 12th, 2025

The number of gray wolf packs in Washington increased slightly in 2024, according to the Washington Gray Wolf Conservation and Management 2024 Annual Report, released by the Washington Department of Fish and Wildlife, while the state’s wolf count declined overall. Based on wolf biology and long-term population trajectory, WDFW wolf biologists do not believe wolf recovery is threatened at this time.

ODFW Deploying Large Nets On Wallowa Lake To Monitor Fish Populations, Assess Invasive Lake Trout Impacts

March 31st, 2025

This spring, Oregon Department of Fish and Wildlife staff deployed large nets in northeast Oregon’s Wallowa Lake to monitor fish population trends and assess the impact of lake trout on other species.

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For First Time WDFW Using ‘Management Strategy Evaluation’ To Assess Harvest Strategies For Lower Columbia River Tributary Fisheries

March 31st, 2025

The Washington Department of Fish and Wildlife will hold a virtual public meeting on April 1, from 6–8 p.m., to discuss potential harvest management strategies for Lower Columbia River tributary fisheries.

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ESA-Listed Tucannon Spring Chinook Close To Extinction; ‘Safety Net Offsite Strategy’ A Last Ditch Effort To Save Them

March 15th, 2025

Tribal and Washington fishery managers are doubling down on recovering threatened spring Chinook salmon in the Tucannon River in Eastern Washington by raising juveniles originating from the river at a hatchery 300 miles downstream.

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Fishery Managers Close John Day Pool For Sturgeon Retention As Anglers Reach Harvest Guideline, No Lower River Retention This Year

March 15th, 2025

Oregon and Washington fishery managers on March 13 closed the only area where recreational anglers can currently catch and keep white sturgeon on the mainstem Columbia River – the John Day Dam pool up to The Dalles Dam.

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Columbia Basin Water Supply Forecast, April-September, Remains Below Normal, Coming Precipitation Could Help

March 15th, 2025

2025 is forming to be the third consecutive year of low Columbia River basin water supplies, with the latest forecast April-September at The Dalles Dam of just 85 percent of the 30-year average, according to a NOAA water supply briefing this week.

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ODFW Studies Hatchery Economic Costs, Benefits; Trout Stocking The Highest Benefit, Summer Steelhead Not So Much

March 15th, 2025

An economic study of its fish hatcheries that was funded over the past year by the Oregon Department of Fish and Wildlife found that trout are by far the least expensive fish to produce at less than $10 per fish harvested, while summer steelhead costs the state nearly $500 per fish harvested, according to a presentation by ODFW before the Oregon Fish and Wildlife Commission in February.

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Work Continues To Improve Lamprey Passage At Columbia/Snake Dams, Corp Completing Changes To Bonneville Dam Fish Ladder

March 15th, 2025

The U.S. Army Corps of Engineers is in the process of revamping the dam’s northern-most fish ladder near the Washington shore at a cost of some $8 million. According to the Corps, the project is changing out a portion of the fish ladder, which spans 800 feet from top to bottom, that was originally a serpentine passage of concrete walls, called baffles, with a newer baffle design more friendly to lamprey.

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Oregon Study Shows Bird Flu Markers In Wastewater Comes Can Come From Wild Birds, Doesn’t Necessarily Mean Human, Poultry Or Dairy Cases

March 15th, 2025

New research shows that wild birds can account for much of the avian influenza virus evidence found in wastewater in Oregon, suggesting wastewater detections of the virus do not automatically signal human, poultry or dairy cattle cases of bird flu.

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Hydraulic Egg Injection: Pilot Project Uses Man-Made Salmon Redds To Bring Back Salmon In California River

March 15th, 2025

Salmon are swimming again in California’s North Yuba River for the first time in close to a century. The fish are part of an innovative pilot project to study the feasibility of returning spring-run Chinook salmon to their historical spawning and rearing habitat in the mountains of Sierra County.

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Lawsuit Filed In Effort To Stop Musk’s DOGE From Taking Further Actions Against Multiple Environmental Agencies

March 15th, 2025

The Center for Biological Diversity has sued five cabinet-level agencies seeking to stop the so-called Department of Government Efficiency and its DOGE teams from taking further actions against multiple environmental agencies until each team fully complies with the Federal Advisory Committee Act.

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California Wolf Report Show Stable Population With 7 Packs, About 50 Wolves

March 15th, 2025

The California Department of Fish and Wildlife reports that the state currently has seven known wolf families amid changing pack dynamics and areas of new wolf activity. California now has around 50 known wolves, according to the state wolf coordinator — up from around 49 at the end of 2023. That modest increase comes despite 30 pups known to have been born in spring 2024. The report indicates that the nine packs confirmed at the end of September 2024 have declined to seven. The Beckwourth pack no longer exists and another pack, the Antelope pack, merged with the Beyem Seyo …

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Study Reveals Older Trees Retain Memory Of Past Water Conditions; As Climate Warms, Mature Trees May Struggle

March 15th, 2025

As climate change accelerates, mature forests may struggle to survive. A recent study reveals that older trees retain a ‘memory’ of past water conditions, making it harder for them to adapt to drier environments.

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Montana Seeks Public Comment On Proposed Conservation Easement For 53,000 Acres Of Timberland, Habitat For Fish, Wildlife

March 15th, 2025

Montana Fish, Wildlife & Parks is seeking public input on a potential project that would place nearly 53,000 acres of private timberland in northwest Montana under a conservation easement and protect working lands, public recreation access, and wildlife habitat.

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University Of Idaho Researchers Develop Model To Better Understand Glacier Behavior, Climate Change Implications

March 15th, 2025

University of Idaho researchers have developed a mathematical model that simplifies the way scientists understand changes in glacier movement. This new approach demonstrates that diverse patterns of ice flow — ranging from short-term fluctuations to multiyear trends — can be explained using a single set of fundamental equations. 

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Public Articles

Oregon Lawmakers Seek Reversal Of Administration Actions On Programs Serving Tribal Communities, Cite Trust, Treaty Obligations

March 15th, 2025

Oregon’s U.S. Sens. Jeff Merkley and Ron Wyden—along with Oregon U.S. Reps. Suzanne Bonamici, Val Hoyle, Andrea Salinas, Maxine Dexter, and Janelle Bynum -- joined over 100 Members of Congress to demand that the Trump Administration stop and reverse its “dangerous efforts to fire employees and defund programs” that serve Tribes and Tribal members.

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Washington State Gathers Info For Implementation Of TMDL Plan To Address High Water Temperatures In Columbia, Lower Snake Rivers

March 15th, 2025

The Washington Department of Ecology is hosting a public meeting March 17 to discuss how it will implement a long-awaited Total Maximum Daily Load plan for temperature in the Columbia and lower Snake rivers. The two rivers are included in Washington’s 303(d) list of impaired bodies of water due to their persistent high water temperatures that pose a threat to salmon and steelhead. The fish rely on the rivers for migration and spawning and some of the populations are listed under the federal Endangered Species Act. The temperature TMDL had been developed by the U.S. Environmental Protection Agency by court …

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Fisheries Society Gives Lifetime Achievement Award To Northwest Fisheries Science Center Scientist Weitkamp

March 15th, 2025

From the Columbia River Estuary to the farthest reaches of the stormy Gulf of Alaska in the middle of winter, Dr. Laurie Weitkamp has gone far and wide to study and better understand the salmon and steelhead that are the lifeblood of Northwest rivers and cultures. Last month the Oregon Chapter of the American Fisheries Society presented Weitkamp with its Lifetime Achievement Award.

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Study Shows How Record Abundance Of Pink Salmon In North Pacific Creating Adverse Impacts On Puget Sound Chinook, Killer Whales

February 25th, 2025

Since the 1990s, the decline in numbers of southern resident killer whales in Puget Sound has followed a biennial pattern; births decline and deaths rise in even-numbered years. That biennial pattern matches the decline of Chinook salmon spawner abundance while abundance of pink salmon in the North Pacific and in Puget Sound rivers has risen, according to a study published this month.

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UW Study Indicates That Before Whales Hunted To Near Extinction Their Excrement May Have Provided Key Fertilizer to Marine Ecosystems

February 25th, 2025

The blue whale is the largest animal on the planet. It consumes enormous quantities of tiny, shrimp-like animals known as krill to support a body of up to 100 feet (30 meters) long. Blue whales and other baleen whales, which filter seawater through their mouths to feed on small marine life, once teemed in Earth’s oceans. Then over the past century they were hunted almost to extinction for their energy-dense blubber.

After The Palisades Fire: California Agencies Rescue The Last Known Population Of Steelhead In Santa Monica Mountains, 271 Fish

February 25th, 2025

As part of statewide efforts to help Californians and wildlife recover from the Southern California fires, the California Department of Fish and Wildlife and its partners last month rescued 271 endangered Southern California steelhead trout from Topanga Creek, the last known population of this species in the Santa Monica Mountains.

Researchers Spot Killer Whale ‘Tahlequah’ Carrying Her Deceased Calf Near Seattle; Of 73 JPod Whales, 11 Under 5-Years-Old

January 19th, 2025

The new year came with both joy and sadness for endangered Southern Resident killer whales. Researchers first spotted J35, also known as Tahlequah, carrying her deceased calf off Alki Point in West Seattle on December 31. Tahlequah is the same whale that garnered international headlines and concern in 2018 when she carried another deceased newborn calf for 17 days.

Washington State, Agencies Finalize Agreement On Future Radioactive Tank Waste Cleanup At Hanford Site; 56 Million Gallons, 177 Underground Tanks

January 19th, 2025

The U.S. Department of Energy, Washington State Department of Ecology, and U.S. Environmental Protection Agency have finalized an agreement that outlines a course for cleaning up millions of gallons of radioactive and chemical waste from large, underground tanks at the Hanford Site near the Columbia River.

Latest Oregon Climate Assessment: Precipitation Below Average 18 Of Last 24 Years, Snowfall To Decrease By 50 Percent By 2100

January 10th, 2025

Oregon is becoming warmer and more prone to drought and will see less snow due to climate change, but people and businesses are also adapting to the challenges of a warming planet, the latest Oregon Climate Assessment indicates.

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Study Details Salmonid Response To Columbia River Basin Habitat Restoration Projects, Shows Large Benefits For Coho, Steelhead

January 10th, 2025

Floodplain restoration projects designed to improve instream habitat conditions for anadromous fish resulted in an increase in the numbers of juvenile salmon and steelhead, according to a recent study that examined segments of 17 habitat restoration projects in the Columbia River basin.

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NOAA Fisheries Accepting Project Applications From States, Tribes For Up To $99 Million Through Pacific Coastal Salmon Recovery Fund

December 22nd, 2024

The Department of Commerce and NOAA Fisheries has announced up to $99 million in funding through the Pacific Coastal Salmon Recovery Fund for conservation and recovery projects focusing on Pacific salmon and steelhead. The funding — which includes $34.4 million from the Infrastructure Law — is aimed at advancing state and tribal efforts to restore salmon populations and habitats.

This Year’s Ocean Indicators Show Low Prey Numbers For Pacific Juvenile Salmon, Suggest Moderate-To-Poor Conditions For Young Salmon

December 15th, 2024

How did climate change impact ocean waters off the U.S. West Coast this past year? What does that tell us about the growth and survival of juvenile salmon for the years to come?

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Northwest Power/Conservation Council Executive Director Plans To Leave In Spring

December 9th, 2024

Just the third executive director of the Northwest Power and Conservation Council in 45 years is about to leave. After nearly five years in the position, Executive Director Bill Edmonds is planning to step down in spring 2025.

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2024 Survival Rate Of Migrating Juvenile Salmon In Columbia/Snake Rivers? Hard To Say With Yet Another Year Of Low Detection, Tagging Rates

November 26th, 2024

Increased spill levels at Snake and Columbia river dams, along with lower water flow in the rivers, hampered the ability of scientists to tag and detect juvenile salmon and steelhead as they migrated downstream in 2024.

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EPA Gives Notice Of Developing New Rule To Protect Salmon, Steelhead From Lethal Tire Chemical; ‘Unreasonable Threat To Water, Fish Resources’

November 25th, 2024

The U.S. Environmental Protection Agency is acting on its commitment to three Northwest tribes by issuing an advance notice of proposed rulemaking (ANPR) to collect information on the risks of 6PPD quinone in tires, known to be toxic in stormwater runoff to coho salmon and steelhead in Puget Sound.

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Groundwater Declines: Oregon Study Links Farm Irrigation Decisions, Groundwater Levels To Find Potential Solutions

November 25th, 2024

Sustainable rates of groundwater withdrawal in southeast Oregon’s Harney Basin were surpassed 20 years prior to the time declining groundwater levels were generally recognized, a new analysis found.

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States Set 2025 Columbia River Sturgeon Retention Seasons; Expect High Effort, Short Seasons

November 18th, 2024

Oregon and Washington fishery managers set dates and harvest guidelines for recreational white sturgeon retention in pools backed up behind Bonneville, The Dalles and John Day dams.

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How Do Lakes Contribute To Water Cycle In Warming World? Study Says Implications For Freezing Later, Melting Earlier

November 1st, 2024

The world’s freshwater lakes are freezing over for shorter periods of time due to climate change. This shift has major implications for human safety, as well as water quality, biodiversity, and global nutrient cycles, according to a new analysis from an international team of researchers.

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Interior Announces $46 Million For Klamath Basin Restoration, Plans $162 Million Over Five Years For Water Reliability, Salmon Post Dam Removal

November 1st, 2024

The U.S. Department of the Interior and U.S. Fish and Wildlife Service this week announced nearly $46 million in investments from President Biden’s Infrastructure Law for ecosystem restoration activities that “address high-priority Klamath Basin water-related challenges in southern Oregon and northern California.”

‘We Are On The Brink Of Irreversible Climate Disaster:’ OSU Report Says Of 35 Planetary Vital Signs, 25 At Record Extremes

October 18th, 2024

An international coalition led by Oregon State University scientists concludes in its annual report published this month that the Earth’s worsening vital signs indicate a “critical and unpredictable new phase of the climate crisis” and that “decisive action is needed, and fast.”

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Independent Scientists Review NPCC’s Basin Fish/Wildlife Program, Recommend More Comprehensive Climate Change Strategy

October 8th, 2024

In a recent review, a panel of scientists said the Northwest Power and Conservation Council’s Fish and Wildlife Program for the Columbia River basin is still changing and progressing after 40 years of implementation, but will need further updates and improvements, including a better strategy for incorporating climate change into the Program and a more comprehensive analysis of the outcome of removing the four lower Snake River dams.

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WDFW To Use Drones To Survey Seals, Sea Lions To Help Estimate Consumption Of Salmon, Steelhead At Certain Locations

October 8th, 2024

The Washington Department of Fish and Wildlife has finalized a drone use plan that authorizes staff to conduct pinniped research and management surveys in the state’s coastal and inland waters. Department staff and researchers will use drones to survey for seals and sea lions in the Department’s Southwest, Coastal, and North Puget Sound regions.

Chinook, Steelhead Return Forecasts Rise Again While Coho Booming; Coho, Steelhead Passage At Willamette Falls Way Up

September 27th, 2024

Oregon and Washington opened the entire mainstem Columbia River to fall Chinook and coho salmon fishing from Buoy 10 to the Oregon and Washington state border last week. The change by the two-state Columbia River Compact came at its Sept. 18 hearing and was based on an increase in expected fall Chinook returns, as well as higher than average returns of coho.

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Why Have Colorado River Basin Streamflows Been Lower Than Predicted Based On Snowpack? UW Research Says Lack Of Spring Rainfall

August 31st, 2024

The Colorado River and its tributaries provide water for hydropower, irrigation and drinking water in seven U.S. states and Mexico. Much of this water comes from the snowpack that builds up over the winter and then melts each spring. Every year in early April, water managers use the snowpack to predict how much water will be available for the upcoming year.

Klamath River Dam Removal: Salmon Scientists Design Monitoring Program To Track Fish Returns, When And Where They Go

August 9th, 2024

The removal of four dams on the Klamath River will reopen more habitat to Pacific salmon than all previous dam removals in the West combined. Now it will have a monitoring program to match—designed by salmon scientists to track when and how many fish of different species return and where they go.

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New West Coast Offshore Wind Science Consortium: ‘Essential Offshore Wind Energy Developed In Environmentally, Socially Responsible Ways’

June 21st, 2024

A new West Coast collaboration for offshore wind science was announced last month. The Pacific Offshore Wind Consortium is a joint effort between three research centers: the Schatz Energy Research Center at Cal Poly Humboldt, the Pacific Marine Energy Center at Oregon State University, and the Center for Coastal Marine Sciences at Cal Poly San Luis Obispo.

Marbled Murrelet Study Shows How Artificial Intelligence Can Enhance Monitoring Secretive Species

May 31st, 2024

Artificial intelligence analysis of data gathered by acoustic recording devices is a promising new tool for monitoring the marbled murrelet and other secretive, hard-to-study species, research by Oregon State University and the U.S. Forest Service has shown.

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NE Oregon Sees Outbreak Of Poisoning Cases That Includes Wolves, Cows, Eagles, Dogs, Cougar, Coyote

May 17th, 2024

Oregon investigators found a cow carcass laced with poison in a creek in the Imnaha River drainage. The target was likely a wolf, the latest poisoning in a disturbing trend that has killed 19 wolves in Oregon since 2015. Whatever the target, the collateral damage in northeast Oregon’s ongoing poisoning cases now includes golden eagles, dogs, and other carnivores.

DDT Pollutants Found In Deep Sea Fish, Sediments Off CA Coast; Banned Pesticide Threat To Marine Life, Human Health?

May 17th, 2024

In the 1940s and 1950s, the ocean off the coast of Los Angeles was a dumping ground for the nation’s largest manufacturer of the pesticide DDT – a chemical now known to harm humans and wildlife. Due to the stubborn chemistry of DDT and its toxic breakdown products, this pollution continues to plague L.A.’s coastal waters more than half a century later.

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Status Report: Though Some SW Washington Steelhead, Salmon Populations Under ESA Show Improved Numbers Since Listing, None Anywhere Near Recovery

April 18th, 2024

The status of southwest Washington salmon and steelhead listed under the federal Endangered Species Act is generally stable, although none of these fish populations are close to meeting recovery goals, says a recent report by the Lower Columbia Fish Recovery Board and the Washington Department of Fish and Wildlife.

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Imperiled Steelhead Migrating Up Columbia/Snake River Show Lowest Survival Bonneville Dam To McNary Dam, Miss Survival Targets

April 18th, 2024

Asotin Creek adult summer steelhead survival is at its lowest in the Bonneville Dam pool as the fish migrate upstream to the Snake River tributary, according to a presentation last week that focused on survival of steelhead listed as threatened under the federal Endangered Species Act. Temperature and harvest (catch and release mortalities) are cited as the main reasons for steelhead struggles in the Bonneville Pool.

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Fish Family Tree: McKenzie River Study Shows Reproductive Success For First Generation, Wild-Born Descendants Of Hatchery Chinook Salmon

April 18th, 2024

Researchers who created “family trees” for nearly 10,000 fish found that first-generation, wild-born descendants of hatchery-origin Chinook salmon in an Oregon river show improved fitness.

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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.

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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.

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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.

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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.

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WDFW Release For Public Comment Northern Pike Rapid Response Plan, Fish Expected To Expand Throughout State

March 22nd, 2024

The Washington Department of Fish and Wildlife has released a draft Interagency Northern Pike Rapid Response Plan that guides coordination and resources to prevent the spread of northern pike to new areas in Washington and develop long-term management plans for the voracious predator. The draft plan is undergoing a State Environmental Policy Act review. As part of that process, WDFW is asking members of the public for input.

Oregon Researchers Lead Effort To Expand Ocean Conditions Monitoring Using Sensors On Crab Pots

March 7th, 2024

Oregon State University researchers are leading an effort to refine the design and expand use of oxygen monitoring sensors that can be deployed in fishing pots to relay critical information on changing ocean conditions to the fishing industry.

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Warming Waters Threatening Walleye, Spawning Timing Off With More Variable Spring Thaw

March 7th, 2024

Walleye are one of the most sought-after species in freshwater sportfishing, a delicacy on Midwestern menus and a critically important part of the culture of many Indigenous communities. They are also struggling to survive in the warming waters of the midwestern United States and Canada.

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Study Shows Very Low, Brief Levels Of Pesticide Exposure Can Affect Fish For Generations; Offspring ‘Developmentally Deformed’

February 23rd, 2024

Fish exposed to some pesticides at extremely low concentrations for a brief period of time can demonstrate lasting behavioral changes, with the impact extending to offspring that were never exposed firsthand, a recent study found.

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Montana Study Quantifies Interconnected Impacts Of Climate Change, Irrigation On Hundreds Of Western Watersheds’ Surface Water Flows

February 2nd, 2024

In a study that could help reshape understanding and management of water resources in the Western United States, David Ketchum, a 2023 graduate of the University of Montana systems ecology Ph.D. program, has unveiled a 35-year analysis quantifying the interconnected impacts of climate change and irrigation on surface water flows.

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$86 Million Announced For British Columbia Salmon Restoration Projects, Part Of Canada’s Pacific Salmon Restoration Strategy

January 5th, 2024

Last month, the Canadian Minister of Fisheries, Oceans, and the Canadian Coast Guard, Diane Lebouthillier, and the British Columbia Minister of Water, Land and Resource Stewardship, Nathan Cullen, announced $86,119,340 for 58 projects receiving funding under the second phase of the British Columbia Salmon Restoration and Innovation Fund (BCSRIF).

Study Finds High Levels Of Mercury In Snake River’s Smallmouth Bass In Reservoirs Compared To Free-Flowing Stretches

December 13th, 2023

Mercury concentrations are twice as high in smallmouth bass found in reservoirs than those in the free-flowing sections of the Snake River in Idaho and Oregon, according to a joint U.S. Geological Survey and Idaho Power Company study that looked at 1,815 specimens of this popular recreational fishing species from a variety of habitats in 31 sites along 530 miles of the Snake River.

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NOAA Fisheries Finds ESA-Listing For Washington Coast Chinook May Be Warranted; Status Review Initiated

December 13th, 2023

In response to a petition by the Center for Biological Diversity and Pacific Rivers, the National Marine Fisheries Service has made an initial finding that Endangered Species Act protections may be warranted for Washington coast Chinook salmon. The agency will initiate a status review for Washington coast spring-run and fall-run salmon populations.

NOAA Opens Application Process For $106 Million In Funding For Projects Under Pacific Coastal Salmon Recovery Fund

December 13th, 2023

NOAA this month announced the availability of up to $106 million in funding through the Pacific Coastal Salmon Recovery Fund for Pacific salmon and steelhead recovery and conservation projects. This funding — which includes funding from the Infrastructure Law — will support state and tribal salmon restoration projects and activities to protect, conserve and restore these fish populations and their habitats.

Chelan PUD Juvenile Salmon Passage Study At Rocky Reach Dam Shows High Survival Numbers; HCPs Call For No Net Impact

November 30th, 2023

More than 93% of young Chinook safely passed Rocky Reach Hydroelectric Project last spring, says Chelan PUD. The results represent the most successful survival study of yearling Chinook in the 21-year history of the Rocky Reach Habitat Conservation Plan.

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BPA Says Fourth Quarter Boosted 2023 Revenues Beyond Forecasts, Intends To “Accelerate Fish And Wildlife Mitigation’

November 30th, 2023

The Bonneville Power Administration says it ended fiscal year 2023 on solid financial footing, exceeding expectations of previous quarterly forecasts that indicated the agency would miss net revenues and expense targets. The agency’s annual report describes how the agency bounced back in the fourth quarter, offsetting cost pressures primarily from the 13th driest year on record.

Logging And Climate Change: Forest Modeling By OSU Shows Which Harvest Rotations Maximize Carbon Sequestration

November 30th, 2023

Forest modeling by Oregon State University scientists shows that a site’s productivity – an indicator of how fast trees grow and how much biomass they accumulate – is the main factor that determines which time period between timber harvests allows for maximum above-ground carbon sequestration.

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Rethinking Wolf Hunting Behavior: Researchers Observe Wolves Killing Sea Otters, Seals On Alaska Coast

November 3rd, 2023

Firsthand observations of a wolf hunting and killing a harbor seal and a group of wolves hunting and consuming a sea otter on Alaska’s Katmai coast have led scientists to reconsider assumptions about wolf hunting behavior.

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Conservation Groups Say Very Low Return Of Wild Spring Chinook To Southern Oregon Coastal River Shows Need For ESA Listing

October 26th, 2023

The Oregon Department of Fish and Wildlife’s recent count of spring-run Chinook salmon returning to the South Umpqua River showed just 17 wild adult fish detected during snorkel surveys. This dismal return is 12% of the 10-year average of 139 fish returning to the river and “signals an urgent need for federal Endangered Species Act protections,” says the Center for Biological Diversity.

OSU Scientists Author State Of The Climate Report: ‘We Are On Our Way To Potential Collapse Of Natural, Socioeconomic Systems’

October 26th, 2023

An international coalition of climate scientists says in a paper published this week that the Earth’s vital signs have worsened beyond anything humans have yet seen, to the point that life on the planet is imperiled.

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Study Looks At What Factors Drive Juvenile Salmon Smolts To Pass Columbia/Snake Dams Through Turbines

October 12th, 2023

High spill volumes to maximum total dissolved oxygen levels in order to reduce passage of juvenile salmon smolts through turbines at federal Columbia and Snake river dams is likely to be most effective at night, during high river flows and when temperatures are colder, according to a recent study. These are times when juveniles are less active and their swimming ability is low.

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How to Slow Global Warming? Researchers Focus On Removing Carbon Dioxide, Dial Down Non-CO2 Emissions; Halting Deforestation

October 12th, 2023

With the 2023 United Nations Climate Change Conference just a few weeks away, countries will soon take stock of their progress in the worldwide effort to slow and adapt to global warming. Better known as COP28, the conference offers the chance for countries to meet and coordinate their climate-mitigating pledges, like achieving carbon neutrality by 2050 or peak emissions by 2030.

Study: The Massive Surge Of Hatchery Pink Salmon In North Pacific Harming Abundance Of Other Salmon Species, Whales, Birds

September 28th, 2023

Chinook, coho and sockeye salmon are in steep decline in the North Pacific and one of the causes is the proliferation of pink salmon, many of which originate from Russian, Japanese and Alaskan fish hatcheries, according to a recent study by scientists in Alaska, Canada and Washington.

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Portland State Inventory Shows Western States’ Glaciers Disappearing, Getting Smaller

September 28th, 2023

The Western United States is losing its glaciers. A new inventory from Portland State University researchers shows that some glaciers have disappeared entirely, some no longer show movement, some are too small to meet the 0.01 square kilometer minimum and some are actually rock glaciers — rocky debris with ice in the pore spaces.

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Researchers Use Models To Estimate Where West Coast Salmon Habitat Will Remain Favorable With Warming Climate

September 15th, 2023

With climate change, some spawning habitat in British Columbia could actually expand, peaking in area around 2060, according to a recent study that looked at current stream habitat and projected future favorable spawning habitat as the climate warms.

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UW Researchers Find That Fall Snow Levels (December) In Oregon, Washington Can Predict Total Snowfall An Area Will Get

September 15th, 2023

Researchers who study water resources want to know how much snow an area will get in a season. The total snowpack gives scientists a better idea of how much water will be available for hydropower, irrigation and drinking later in the year.

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Avian Influenza Found For First Time In West Coast Marine Mammals; Three Puget Sound Adult Harbor Seals Stricken, Stranded

September 15th, 2023

The U.S. Department of Agriculture’s National Veterinary Services Laboratories has confirmed that three adult harbor seals in Puget Sound have tested positive for the Highly Pathogenic Avian Influenza H5N1 strain. The seals stranded on Marrowstone Island on August 18 and 25. This confirms initial testing by the Washington Animal Disease Diagnostic Laboratory, which indicated the presence of H5N1 in these seals. No seal pups have tested positive.

Global Synthesis Of Peer-Reviewed Research On Hatchery Impacts On Wild Salmonids (206 Papers, 1970-2021) Says 80 Percent Show Adverse Impacts

September 7th, 2023

For over a century, fish hatcheries across the world have produced salmonids to supply fisheries, mitigate habitat loss and boost depleted stocks. A newly published review of scientific literature examining the impacts of these programs on wild (i.e., naturally produced) salmonids shows that over 80 percent of global, peer-reviewed research on the topic has found that hatchery fish have adverse effects on wild salmonid populations in freshwater and marine environments.

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Coho Salmon Disappearing From Urban Streams; Study Shows Biofiltering Stormwater Runoff Boosts Survival

September 7th, 2023

A relatively simple, inexpensive method of filtering urban stormwater runoff dramatically boosted survival of newly hatched coho salmon in an experimental study. That’s the good news for the threatened species from the Washington State University-led research. The bad news: unfiltered stormwater killed almost all of them.

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UW Study Quantifies Fossil Fuel Emissions Causing Polar Bear Declines; Method Can Be Used For Other Species Impacted By Global Warming

September 7th, 2023

New research from the University of Washington and Polar Bears International in Bozeman, Montana, quantifies the relationship between greenhouse gas emissions and the survival of polar bear populations.

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Climate Change Will Make Fishing For West Coast Groundfish More Difficult As Species Redistribute; Vessels Will Have To Travel Farther, Fish Deeper

August 23rd, 2023

Shifting ocean conditions associated with climate change will likely send high-value sablefish into deeper waters off the West Coast, new research shows. That could make the fish tougher to catch and force fishing crews to follow them or shift to other, more accessible species.

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Is A Growing American White Pelican Population In Mid-Columbia River Threat To Salmonids? Researchers Now Studying Predation Impacts

August 10th, 2023

A growing American white pelican population on an island in the mid-Columbia River basin could be a new threat to salmon and steelhead. The large white birds not only scoop out batches of juvenile fish, they also have been known to eat adult salmon, including sockeye salmon and other fish as large as 29 inches.

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Study Of Protected Birds Found Dead Along Powerlines In The West Found Illegal Shooting A Significant Threat, 66 Percent Of Birds Studied Shot

August 10th, 2023

A study examining protected birds found dead along power lines on public lands in the western U.S. shows that gunshot deaths were three times more common than deaths from other causes.

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Mining For EVs: Paper Details Potential Harm To Native Communities Without Updated Regulations, More Consultation

August 10th, 2023

Conditions are ripe for an accelerated transition to electric vehicle use in the United States. The Biden-Harris administration has set a target that 50 percent of newly purchased cars in 2030 be electric. In addition, the Inflation Reduction Act of 2022 provides significant tax incentives for purchasing electric vehicles and for companies that produce them.

Montana Lawmakers Get Lowdown On Flathead Lake Levels; Dire Scenario, No Relief In Sight

July 27th, 2023

Last year, the Flathead Watershed and its five tributaries were so choked with snowmelt and spring moisture that Flathead Lake overfilled naturally for the first time since 1964, when historic floods devastated local communities and reset the record books. This year, dam operators responsible for controlling the outflow of Flathead Lake began refilling the basin a full six weeks early, desperately trying to capture the region’s scant mountain runoff as forecasts showed lake levels dropping to historic lows.

Scientists Develop Tool To Predict Dam Removal Costs; Up To 32,000 U.S. Dams May Be Removed By 2050

July 27th, 2023

Scientists analyzed more than 650 dam removal projects over 55 years in the United States totaling $1.52 billion inflation-adjusted dollars to develop a tool to better estimate the cost of future dam removals.

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OSU Researchers Developing Technology To Treat Wastewater So Usable For Irrigating Crops; Ag Uses 70 percent Of World’s Available Freshwater

July 27th, 2023

Researchers in the Oregon State University College of Engineering are developing technology to convert wastewater into a product that would simultaneously irrigate and fertilize crops.

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Wake-Up Call: Climate Change Has Reduced Availability Of Water In Colorado River Basin Equivalent To Entire Storage Of Lake Mead (10 Trillion Gallons)

July 27th, 2023

A recent study has revealed that climate change has had a profound impact on the Colorado River Basin between the years 2000 and 2021. The study shows that over this period, more than 40 trillion liters (10 trillion gallons) of water were lost due to climate change effects, which is roughly equivalent to the entire storage capacity of Lake Mead.

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PNWA Report Says Research On Delayed Mortality Effects Of Lower Snake River Dams On Salmon, Steelhead Inconclusive

July 13th, 2023

Do the effects of juvenile salmon and steelhead passage through the four lower Snake River dams carry over into later life stages, contributing to high mortality in the ocean and far too low smolt-to-adult returns to the Snake River basin? In other words, does the stress of dam passage lead to delayed mortality?

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When Ocean Warms, Chinook Bycatch In Pacific Hake Fishery Rises; Changing Water Temperatures Affect Salmon Distribution

July 13th, 2023

Rates of Chinook salmon bycatch in the Pacific hake fishery rise during years when ocean temperatures are warmer, a signal that climate change and increased frequency of marine heatwaves could lead to higher bycatch rates, new research indicates.

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UW Research Show Massive Seabird Die-Offs Off West Coast Indicator Of Marine Heat Waves; Can Kill Millions Of Birds Within Months

July 13th, 2023

New research led by the University of Washington uses data collected by coastal residents along beaches from central California to Alaska to understand how seabirds have fared in recent decades. The paper shows that persistent marine heat waves lead to massive seabird die-offs months later.

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Scientists Concerned About Increasing Skin Disease In Southern Resident Killer Whales; May Be Sign Of Compromised Immune System

June 29th, 2023

In a recently published study, scientists investigating the endangered southern resident killer whales have made a noteworthy observation: the prevalence of skin disease within this population has shown a significant increase.

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Group To Sue Oregon, California Transportation Agencies For Failing To Consider Fatal Impacts To Salmon From Tire Chemical

June 16th, 2023

The Center for Biological Diversity filed a formal notice of its intent to sue the Oregon and California state transportation agencies for failing to consider fatal impacts to salmon from toxic tire pollution.

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Clean Energy Microgrids Can Help Communities Adapt To Wildfires, Safety Power Shutoffs

June 16th, 2023

Wildfires have become increasingly frequent due to climate change, with record occurrences in areas not historically prone to them. In California, wildfires and regional power shutoffs have cost billions and taken lives. For some 46 million Americans living next to forests – at what scientists call the “wildland-urban interface” (WUI) – the risks of wildfire can be especially acute.

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Researchers Survey Studies Of Avian Predation Of Columbia River Salmon, Steelhead; Identify Trends, Predator-Prey Dynamics, Fish Susceptibility Factors

June 8th, 2023

The breeding season for avian predators, March–August, overlaps with the peak out-migration of juvenile salmon and steelhead, April -- August, according to a recent survey of literature that looked specifically at peer-reviewed studies of Caspian terns, double-crested cormorants and gulls that prey on salmonids in the Columbia River basin.

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Department Of Commerce, Cantwell Announce Millions Of Dollars For Northwest Salmon Recovery, Hatcheries, New Science Center

June 8th, 2023

U.S. Sen. Maria Cantwell (D-WA) this week joined U.S. Secretary of Commerce Gina Raimondo and NOAA Administrator Rick Spinrad to announce an $83 million commitment to rebuild the Northwest Fisheries Science Center in Seattle, $240 million for Northwest salmon and steelhead hatchery infrastructure, and $60 million for Mitchell Act hatcheries.

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Alaskan, Russian Scientists Collaborate To Study How Ocean Warming Driving Bering Sea Fish Stocks Beyond Traditional Habitats

June 8th, 2023

As the ocean warms, marine fish are on the move—beyond their traditional habitats and across international boundaries. Understanding these patterns of movement is essential to predicting change and managing climate-resilient fisheries.  

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Study: Even With Population Density Increase, Food Decline, Climate Change, Human Impacts, Yellowstone Grizzlies Maintaining Body Fat For Hibernation

June 8th, 2023

Grizzly bears in the Greater Yellowstone Ecosystem have been able to gain the body fat they need for hibernation even as population densities have increased and as climate change and human impacts have changed the availability of some foods, according to a new study by the U.S. Geological Survey and its partners.

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Regional Researchers Mount Three-Year Effort To Study Impacts Of Climate Change Off Washington’s Coast; ‘A Sentinel Site’

May 18th, 2023

A team of Oregon State University researchers is leading a three-year effort to learn more about climate fluctuations in Olympic Coast National Marine Sanctuary using more than 20 years of oceanographic data.

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First-Ever A.I. Algorithm Correctly Estimates Coastal Fish Stocks; Could Save Millions, Bridge Global Data, Sustainability Divide

May 18th, 2023

For the first time, a newly published artificial intelligence (AI) algorithm is allowing researchers to quickly and accurately estimate coastal fish stocks without ever entering the water. This breakthrough could save millions of dollars in annual research and monitoring costs while bringing data access to least-developed countries about the sustainability of their fish stocks.

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Researchers Urge Intertwining Indigenous Rights, Endangered Species Laws To Move Beyond Simply Avoiding Risk Of Extinction

May 18th, 2023

Increasing caribou populations in northeastern British Columbia demonstrate that partnerships between Indigenous and colonial governments can reverse prolonged declines, yet the emphasis must now be placed on establishing culturally significant restoration objectives, assert a collective of scholars and community members in a recent publication featured in Science this week.