Yahoo

Oregon's Douglas fir trees in crisis with widespread, 'unprecedented' dieback

Add Yahoo as a preferred source to see more of our stories on Google. Drought and insects have killed an unprecedented number of Oregon’s Douglas fir trees during the last decade, costing billions in ...
KTVZ

Douglas fir trees in Klamath Mountains are in ‘decline spiral,’ OSU research shows

CORVALLIS, Ore. (KTVZ) – Increases in mortality among Douglas firs in the Klamath Mountains are the result of multiple factors that have the iconic tree in a “decline spiral” in parts of the region, a ...
komonews

Crews begin cutting down Douglas fir tree in Seattle's Maple Leaf neighborhood

SEATTLE — Crews began cutting down a large Douglas fir tree in Seattle’s Maple Leaf neighborhood Monday morning. The tree is one of three in the back of a lot with a small house that’s slated to be ...
Capital Press

Douglas fir trees in ‘decline spiral’ in Klamath Mountains region

Amid a years-long drought and insect infestation, Douglas fir have entered what scientists are calling a “decline spiral” in southwest Oregon. A study by Oregon State University faculty published in ...
KING5

Despite pushback from community members, Douglas fir cut down in Seattle's Maple Leaf neighborhood

SEATTLE — A Douglas fir was cut down Monday in Seattle's Maple Leaf neighborhood after activists attempted to stop the tree's removal. Pacific Tree Management cut down the tree near 90th Street and ...
Post Independent Citizen Telegram

Aerial survey shows area’s Douglas-fir trees are on the menu for beetles

Observers who are noticing dying conifer trees around the Roaring Fork River watershed can blame the Douglas-fir beetle. The valley has avoided many of the insect infestations that have decimated ...
KLCC

Tree pollen got you down? What makes you sneeze may be tied to where you grew up

Recent warm, dry weather kicked up tree pollen in the Willamette Valley. The peak for tree pollen is about this time of year, ...
KTVZ

As climate warms, drier air likely more stressful than less rain for Douglas-fir trees, OSU study finds

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 ...
KGW8

A fire is burning one of the world's tallest trees near the Oregon coast

COOS BAY, Ore. — Authorities in Oregon are trying to extinguish a fire that is burning in one of the world's tallest trees near the state's southern coast. The Doerner Fir, a coastal Douglas Fir tree ...
Woodworking Network

Douglas-fir: Exceptionally strong and abundant

Douglas-fir (Pseudotsuga menziesii) is one of the premier species of the Western forests. Not only is the wood exceptionally strong for its weight, but the trees are abundant. Trees can grow over 250 ...
The Aspen Times

Douglas-fir bark beetle invasion is altering Aspen’s point of view

There is a low-key battle with bark beetles underway on the flanks of Aspen Mountain. Colorado State Forest Service workers marched down steep slopes two weeks ago, stapling thousands of pheromone ...