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 ...

In southern Oregon, they call it “fir-mageddon.” That’s where we first began to notice the rapid decline of the Pacific Northwest’s largest and most prolific tree. The Douglas fir is not only the ...

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 ...

A DOUGLAS FIR seedling stretches its spindly green bristles into the Gifford Pinchot National Forest, in Lewis County, Washington, its roots winding into the soil nearly 200 miles north of its origin ...

2012. Pines released by Douglas-fir removal | Photo by: Kristen Chadwick | Photo credit: USDA Forest Service, Region 6, State and Private Forestry. ASHLAND, Ore. — While a helicopter lifts hundreds of ...

With so many varieties sold as Christmas trees, knowing what differentiates a Douglas fir from a Norway spruce is key to shopping for a real tree you’ll love. You’re likely to see more than one ...

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, a new study by the Oregon ...