GUNNISON, Colo. - Aspen trees, with their quivering, delicate foliage and the warm glow of color they spread across the Rocky Mountains this time of year, have an emotional appeal that their stolid, ...

Pitkin County open space officials plan to at least partially remove an 80-foot tree that fell across the Roaring Fork River two weeks ago in the North Star Nature Preserve. “It has to be moved,” said ...

It is the season of envy in Colorado. The all-too-brief time of year when we admire our forests in their finest states — awash in gold. It is, of course, aspen putting on the dazzling displays. This ...

Pando is a giant aspen clone in central Utah that has been regrowing parts of itself for up to 80,000 years — but new threats mean the plant is now in decline. When you purchase through links on our ...

This is a preview. Log in through your library . Abstract Question: (1) Which remote sensing classification most successfully identify aspen using multitemporal Landsat 5 TM images and airborne lidar ...