Some places have also become secondary old growth forests, meaning the forests were cut down at some point but have grown ...

Are you a hiker or a biker? A discoverer or outdoor lover? This is your chance to make a big impact on Tennessee's trails. Adventure Scientists is looking for volunteers to take part in its new ...

Eastern hemlock trees are a vital foundation species in Pennsylvania forests, supporting the ecosystem and enhancing aesthetics. The hemlock woolly adelgid (HWA), an invasive insect, poses a ...

Photo showcasing insects that are killing eastern hemlock trees. New York’s forests are in trouble. Tiny, destructive insects are spreading fast, killing trees that have stood for hundreds of years.

Red spruce and eastern hemlock, together with sugar maple ... Speckled alder is a common associate of the fringes of this forest community. Growth and development of trees on these sites is usually ...

A. 1965. Silvics of the forest trees of the United States. U.S. Department of Agriculture, Forest Service, Agriculture Handbook Number 271. Frelich, L. E. 1986. Natural disturbance frequencies in the ...

As long as there have been forests, there have been natural events that change them. To understand the effects of the recent ice storm, it may help to review forest form and function. Forests are ...

How, after all, could such old trees have survived the settlers ... Walking through woods like these, the kind of hemlock-northern hardwood forests that once thrived in the Appalachians from ...

This tiny parasite spreads across the forest by hitch-hiking on birds. HWA use sucking mouthparts to pierce through the base of the hemlock needles into the parenchyma cells (nutrient transport cells) ...

Forest health technicians with the Michigan DNR's Parks and Recreation Division detected two hemlock trees infested with hemlock woolly adelgid in Van Buren State Park. Samples were collected from ...

In Van Buren County, forest health technicians with the Michigan Department of Natural Resources (DNR) Parks and Recreation Division found two hemlock trees infested with invasive hemlock woolly ...