Mr. Votilla, 30, was here in the Manti-La Sal National Forest, which covers stretches of Utah and Colorado and is known for its Engelmann spruce trees, as part of a federal program that hires ...

But as soon as the pine squirrel climbed to cut more cones, the chipmunk returned. Clearly, an abundant Engelmann spruce cone crop attracts many hungry mouths.

Then you have just met a spikey, square spruce. The species of spruce that are most commonly seen in the Eagle Valley are the blue spruce (the state tree of Colorado) and Engelmann spruce. Spruce ...

Mar. 8—BEMIDJI — The Minnesota Department of Natural Resources is purchasing black spruce pine cones at a rate of $200 per bushel and jack pine cones for $60 per bushel. "The DNR's seed ...

Age and size data on over 2200 trees were used to reconstruct developmental.patterns and regeneration dynamics of four successional and two climax stands of subalpine forests in the Colorado Front ...

In Rocky Mountain (USA) subalpine forests, seedlings of Picea engelmannii (Engelmann spruce) colonize logs more frequently than seedlings of its codominant associate Abies lasiocarpa (subalpine fir).

Spruce cones collected in Utah are being used to reforest areas around the country hit by wildfire and deforestation. (Hilary Swift | The New York Times) David DeRoulac looks at the inside of a ...