Idaho Initiates Rapid Response Plan After Quagga Mussel Larvae Detected In Snake River Near Twin Falls; WDFW Increases Monitoring

September 22nd, 2023

The Idaho State Department of Agriculture confirmed this week the presence of quagga mussel larvae in the Snake River at Twin Falls. Multiple samples of quagga mussel at larval life stages have been found in the Centennial Waterfront Park area by ISDA’s early detection monitoring program.

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Columbia River Basin Still Only Major Basin In U.S. Free Of Destructive Zebra/Quagga Mussels; Fluctuating Reservoirs May Provide Some Protection

February 17th, 2023

The Columbia River basin in 2023 is still the only major river basin in the U.S. free of quagga and zebra mussels, largely due to the Northwest’s four-state watercraft inspection efforts, according to a presentation this week at the Northwest Power and Conservation Council by Stephen Phillips, senior program manager at the Pacific States Marine Fisheries Commission.

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Emerald Ash Borer Found In Oregon (First On West Coast); Potential To Destroy Large Numbers Of Trees Key To Salmon Habitat

October 6th, 2022

A small invasive beetle that has decimated ash groves in the Midwest was found in Oregon earlier this summer, the first to be found on the West Coast. When – not if – it spreads in Oregon, it has the potential to destroy large swaths of ash trees in forests and along streams located on the west side of the Cascade Mountains. The loss of the trees could impact salmon and steelhead in the Willamette Valley.

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Washington Implements Incident Command System To Battle Habitat-Destroying Invasive Green Crabs: 64,000 Removed This Year

June 23rd, 2022

Deployment of emergency measures to control invasive European green crabs on the Washington Coast and at sites within the Salish Sea is well underway, including the implementation of an Incident Command System to facilitate statewide coordination between various agencies, tribes, and partners.

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Report Details States’ Efforts In 2021 To Block Invasive Mussels From Gaining Foothold In Northwest; 162 Fouled Boats Stopped

May 6th, 2022

In the battle to block destructive zebra and quagga mussels from infesting Pacific Northwest waters, the four states at watercraft inspection stations in 2021 intercepted 55 more fouled boats than last year even though the number of total inspections were substantially less than in 2020.

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Suppression Of Northern Pike In Lake Roosevelt Showing Much Success; Goal Is To Reduce Population To ‘Almost Undetectable Levels’

February 17th, 2022

An effort by tribes, the state of Washington and federal agencies to suppress or eradicate invasive Northern Pike is bearing fruit in Lake Roosevelt, the reservoir behind Grand Coulee Dam, according to an update by biologists at this week’s meeting of the Northwest Power and Conservation Council’s Fish and Wildlife Committee.

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European Green Crab Invasion In Washington Worsens: Researchers Using E-DNA To Contain, Prevent New Outbreaks

February 17th, 2022

European green crabs feast on shellfish, destroy marsh habitats by burrowing in the mud and obliterate valuable seagrass beds. The invasive species also reproduces quickly, making it a nightmare for wildlife managers seeking to control its spread in Washington’s marine waters.

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