The word "subalpine" refers to something that is located just below or near the tree line of a mountain, typically at a higher altitude. Full definition
Mount Rainier National Park — centered on a majestic, 14,000 - foot volcanic peak girded with dozens of glaciers — welcomes visitors with a vast array of outdoors activities, from easy strolls through subalpine meadows to two - week - long backcountry hikes on the Wonderland Trail and challenging climbs to the top of the highest mountain in the Cascades. (chimani.com)
Spruce bark beetles have affected roughly half a million acres of Engelmann spruce and subalpine fir forests across the state in recent years. (sciencedaily.com)
Kaufmann, M. R. & Ryan, M. G. Physiographic, stand, and environmental effects on individual tree growth and growth efficiency in subalpine forests. (nature.com)