We were pushing through head-high willows along a brushy caribou trail, five days into our week-long trek across Alaska’s Noatak valley, when my hiking partner, Brad Meiklejohn, startled me with a ...
Spruce shrubs and trees are conifers from the genus Picea, which includes 35 species. Spruce trees and shrubs are characterized by a branch structure, called a pulvinus, where the needles attach. This ...
A new machine-learning system developed at the University of Alaska Fairbanks can automatically produce detailed maps from satellite data to show locations of likely beetle-killed spruce trees in ...
Mid-elevation Central European conversion of beech stands to spruce plantations has intensified soil acidification via needle ...
In this episode of ID That Tree, Purdue Extension forester Lenny Farlee introduces the Black Spruce. This species is found in bogs, wetlands, and sometimes dry sites within the North Woods of Upper ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results