The University of Oregon claims approximately 4,000 different trees, over 500 species, stretch their branches across ...
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 ...
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 ...
The rapid decline of our largest and most prolific tree in the Pacific Northwest andmost important tree species to the economy on the planet.