KGW8

Douglas fir not surviving increasingly hotter, drier conditions in Oregon

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 ...
The Columbian

Douglas fir in ‘decline spiral’ in Southwestern Oregon

Douglas fir is the most abundant tree species in the Pacific Northwest. It’s Oregon’s official state tree. And it’s arguably the region’s most important timber species. But like true firs, western ...
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 ...
KOIN 6

Scientists say dry air rather than less rain will likely cause more stress for Douglas fir trees

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 ...
CounterPunch

Toward a Douglas-Fir National Monument

Some of the most spectacular forests of Douglas fir in the West are found on the west slope of the Cascade Mountains in Oregon. Though heavily logged by the timber industry for its straight-grained ...
OPB

Managing wildfire risk from Southern Oregon’s dying fir trees

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?
OPB

Fungal Disease Grows Among Douglas Fir Trees On Oregon Coast

Courtesy of Oregon State University A new survey finds a growing number of Douglas fir trees in the Oregon Coast Range have been infected over the past decade with the fungal disease known as Swiss ...