GRANTS PASS — Conservation groups and salmon advocates have challenged the Obama administration’s latest plan for making Columbia Basin dams safe for salmon.
California and Steller sea lions that have in recent years congregated in springtime below the Columbia River’s Bonneville Dam to prey on passing salmon and steelhead, as well as white sturgeon and other fish species, have for the most part moved on to other business, according to U.S. Army Corp of Engineers researchers studying pinniped impacts on protected fish stocks.
GRANTS PASS — State biologists are busy trapping the growing wolf population in northeastern Oregon and fitting them with tracking collars.
A set of 96 genetic markers, or single nucleotide polymorphisms (SNPs), winnowed by Columbia River basin researchers from a list of 4,439 previously identified in Pacific lamprey could help give researchers insights into the lives and life influences faced by the diminished, but highly valued, fish species, according to a research paper made available last week online.
Cherry Fruit Fly models developed by Oregon State University indicate that the cherry fruit fly emerged in The Dalles Monday, May 19.
New rule would ‘clarify’ Clean Water Act protection targets
A federal agency’s proposal to list the White Bluffs bladderpod as a threatened species, despite evidence to the contrary, is an example of how grazing rights are being threatened on public lands, according to U.S. Rep. Greg Walden, R-Oregon.
The Center for Biological Diversity disputes the allegation by the Oregon Cattlemen’s Association and others that environmentalist groups are raking in billions from federal court battles.
Careful grazing can improve the health of forest land, says longtime advocate
Over a period of two years, staff from North Central Public Health District participated with members of Oregon Health Authority and four other Oregon counties to focus on climate change in their respective regions and how it might affect the health of citizens.
Modified fish ladders at central Washington’s damaged Wanapum Dam on the mid-Columbia River appear to be doing the trick for adult spring Chinook salmon headed upstream on their spawning journey.
A newly published scientific study discovered that some resident fish in the lower Columbia River, namely largescale suckers, contain chemicals that health officials have determined can cause health concerns for people who eat large quantities of the fish.
A host of spawning spring Chinook salmon arriving at the lower Columbia River’s Bonneville Dam has coincided with a rush of sea lions eager for a feast.
Trapping led by the states of Oregon and Washington below the Columbia River’s Bonneville Dam continued this week with seven California sea lions captured Tuesday, April 22.
With catch limits near, planned commercial fisheries targeting spring Chinook salmon in so-called “select areas” in the lower Columbia River estuary were rescinded and/or trimmed back in decisions made this week by Oregon and Washington.