The loss of eastern hemlock from forests in the Southern Appalachian region of the United States could permanently change the area's hydrologic cycle, reports a new study by U.S. Forest Service ...

Eastern hemlock trees like these growing along Tracy Run in Allegheny National Forest are considered "keystone species" — meaning, they play fundamental roles stabilizing the forest ecology. The U.S.

Despite its wintry name, the hemlock woolly adelgid isn’t so in love with the cold. The tiny pest, which first invaded Massachusetts in 1988, is marching north through Berkshire County, and the ...

CLIFTON, Va. — Hemlock Overlook Regional Park in Fairfax County is being inducted into the Old-Growth Forest Network. This is kind of like the Hall of Fame for really old trees. The Old-Growth Forest ...

Last fall, the U.S. Forest Service in North Carolina began using some new approaches to address hemlock trees under attack by the hemlock woolly adelgid in Western North Carolina’s national forests.

YOU’RE WALKING ALONG in the vast Harvard Forest in Petersham, the air sharp and redolent of fallen leaves, when suddenly you reach a brightly painted wooden barrier. “Trail closed,” it reads. “Safety ...

Called “treasures in our backyard” by Fairfax County Board Chairman Jeff McKay, the old growth forest at Hemlock Overlook Regional Park was inducted into the Old-Growth Forest Network on April 17th ...

The loss of eastern hemlock from forests in the Southern Appalachian region of the United States could permanently change the area's hydrologic cycle, reports a new study by U.S. Forest Service ...