A tree-climbing crew scaled about 280 feet to extinguish the fire with a hose on Thursday. The historic tree is alive, but it has lost some of the record height that made it the tallest Douglas ...

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Authorities in Oregon are trying to extinguish a fire burning in one of the world's tallest trees. It may lower the tree's standing in global height rankings.

Compared to the forest, the woodland vegetation has lower species diversity and half the tree density (Piel & Stewart unpublished data) with significantly lower tree and crown height and canopy ...

(ii) How does tree structure (tree density and tree height) vary across the land cover types and along altitudinal gradients? The main hypothesis is that the land cover and altitudinal gradients do ...

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A professor's casual hike in the High Sierra turned into a new elevation record for California's highest tree, the Jeffrey pine, which wasn't formerly known to grow at extreme elevations.