Whack-A-Mole: Agency That Chased Salmon-Eating Cormorants Off Estuary Island Now Hazing Re-Located Birds On Astoria Bridge Over Columbia River

March 10th, 2022

The same federal agency that previously had hazed and culled Caspian terns and double-crested cormorants at East Sand Island in the lower Columbia River estuary in order to reduce predation on salmon and steelhead smolts is now hazing cormorants nesting on the Astoria-Megler Bridge six miles upstream.

Read the Full Article

Login to your account or Become a Member

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.

Read the Full Article

Login to your account or Become a Member

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.

Read the Full Article

Login to your account or Become a Member

Task Force Considers Sea Lion Removal At Bonneville Dam A Success; In 15 Years 214 Euthanized, 56,000 Salmon/Steelhead Avoid Predation

January 13th, 2022

NOAA Fisheries and its Pinniped Task Force closed a chapter of its program to lethally remove California sea lions from Bonneville Dam. Determining that the removal of the sea lions saved nearly 56,000 adult salmon and steelhead, the Task Force called the 15-year effort a success.

Read the Full Article

Login to your account or Become a Member

Montana Study Reveals How Invasive Species Over Time Disrupt Native Species’ Food Webs; Lake Trout Vs. Bull Trout

November 11th, 2021

Invasive species cause biodiversity loss and about $120 billion in annual damages in the U.S. alone. Despite plentiful evidence that invasive species can change food webs, how invaders disrupt food webs and native species over time has remained unclear.

Read the Full Article

Login to your account or Become a Member