There’s something awe-inspiring about working with giant trees, and this 60-foot Douglas Fir is no exception. In this video, we take you into the forest to witness the controlled and skillful ...

This is a forest type map of Douglas-fir. The forest cover type illustrated on this map is determined by where it most frequently occurs within its native range and at the frequency of occurrence.

“Douglas-fir can’t handle the strain of hot, dry air as well as other species like oak.” Bennett, OSU colleague Dave Shaw and Laura Lowrey of the USDA Forest Service identified hotspots of ...

We joined the team in a second growth Douglas fir forest near Eugene. They prefer hunting together in dark stands of 30-year-old fir where their hunting success depends on Ilsa’s famous nose.

And if we don’t stay ahead of it, then we might not have a forest in 20, 30, 40 years,” Chambers says. The work in the Ashland watershed is aimed at the symptoms of the Douglas fir die-off.

Last year, researchers at the U.S. Forest Service recorded Douglas fir (Pseudotsuga menziesii) trees dying on approximately 463,900 acres (over 720 square miles) of land in Oregon and Washington.

“Our analysis concluded that if climate change continues as predicted, we could see increased Douglas fir mortality at higher elevations,” said study coauthor, David Shaw, a professor and ...

The U.S. Forest Service has maintained similar projects, like the Douglas-fir Heredity Study, for over a century. Some of the trees that were part of the original project, which was planted in ...

courtesy of the City of Ashland In Southern Oregon, Douglas firs are ... Last year, the U.S. Forest Service found more than 1 million acres of dead or dying fir trees in Oregon and Washington ...