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 ...
Lead author Pedro Mittelman, University of Göttingen, climbing a beech tree to install a camera for monitoring tree-dwelling small mammals ...
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. Increases in mortality ...
CORVALLIS, Ore. – 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 ...
Drought and insects have killed an unprecedented number of Oregon’s Douglas fir trees during the last decade, costing billions in timber value, damaging infrastructure and ramping up wildfire danger.
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