These trees were once part of a thriving forest, but then the cooling climate entombed them under thick layers of mountain ...

An ancient fossilized forest in Montana is reemerging 600 feet higher than the present-day tree line after spending the last ...

The forest thrived for centuries until the climate began to cool about 5,500 ... the high mountain landscape from forest to the alpine tundra that exists today. One of the paper's authors, David ...

Weather stations were established in each of four major ecological zones, spanning a 1540 m altitudinal transect: lower montane forest (A-1 site), upper montane forest (B-1), subalpine forest (C-1), ...

Alpine tundra also encompasses approximately 1/3 of the park. Alpine tundra is a fundamental and fragile resource, which requires park managers to give this ecosystem increased attention for ...