douglas fir trees Archives

Winter temperatures play complex role in triggering spring budburst

The opening of buds on Douglas-fir trees each spring is the result of a complex interplay between cold and warm temperatures during the winter, scientists with the U.S. Forest Service’s Pacific Northwest Research Station have found.
Their rese…

Fuel treatments reduce wildfire severity, tree mortality in Washington forests

A study conducted by U.S. Forest Service and University of Washington (UW) scientists has found that fuel treatments — even of only a few acres — can reduce fire severity and protect older trees desirable for their timber, wildlife, and carbon-sto…