The iconic Douglas-fir has been standing tall in Oregon for many centuries. But the evergreen species isn't doing so well lately, with many trees dying off in parts of the Klamath Mountains of ...
CORVALLIS, Ore. (KTVZ) – Douglas-fir trees will likely experience more stress from drier air as the climate changes than they will from less rain, computer modeling by Oregon State University ...
Increases in mortality among Douglas-fir in the Klamath Mountains are the result of multiple factors that have the iconic tree in a 'decline spiral' in parts of the region. Increases in mortality ...
About 80 miles east of the Linn County Courthouse, an expanse of blue-green trees gives way to jagged Cascade peaks that burst clouds, channel rivers and form the crown of a could-be national monument ...
This won’t come across as any surprise, but Oregon is home to some of the world’s most spectacular forests and trees. From yew to sitka, ponderosa to redwood, from redcedar to myrtle, oak, hemlock and ...
Fir trees in Oregon and Washington died in record-breaking numbers in 2022, according to as-yet unpublished research conducted by the U.S. Forest Service. Called “Firmageddon” by researchers, the ...
PORTLAND, Ore. (KOIN) – Drier air caused by the changing climate is stressing Douglas fir trees, Oregon State University researchers say. The stress these trees experience from drier air is more than ...
In Southwest Oregon, Douglas firs are dying. And warmer temperatures along with more severe droughts are making the problem worse. What does this mean for the future of forests in places like Ashland?
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