Old-growth forests are rare — less than 7 percent the area of U.S. forests today — and are still often logged. To recover forest ecosystems across the United States, ...

Old-growth forests may also be called primary forests, mature forests, frontier forests, or virgin forests. The terms frontier and virgin forest are slightly more narrow because they imply that ...

There is no single definition for old-growth forests, because that depends on the ecosystem. Bristlecone pines can live 5,000 years. Some other tree species may only live 150 years, but if they ...

The Forest Service mature and old-growth forest inventory maps were created at what’s called a “fireshed” scale. Firesheds are 250,000 acres each, or roughly 390 square miles.

In a first-ever finding that could increase protections for remaining U.S. forests, the federal government estimated Thursday that more than 100 million acres of old-growth and mature timberlands ...

Environmental activists have identified federally owned old and mature-growth forest areas about the size of Phoenix that are proposed for logging, from portions of the Green Mountain Forest in ...

This includes a movement to protect mature forests, which are made up of trees that are 80-150 years old and viewed as comprising the next generations of old-growth forests.

The Old-Growth Forest Network welcomed two Ohio forests to its ranks this October: Stage’s Pond State Nature Preserve just south of Columbus and the Lindy Roosenburg Preserve near Athens. The ...

Old-growth forests represent 18% and mature forest 45% of all forested land managed by the two agencies. Advertising. Old-growth forests provide unique benefits, as habitat for wildlife, ...

Although not listed at old-growth forest, according to the West Virginia Encyclopedia (2012), the oldest table mountain pine which is more than 280 years old is on Pike Knob in Pendleton County, ...

A research study getting underway in Oakland Forest, an old-growth beech forest in Portsmouth, could shed light on treatments for beech leaf disease.

In an old-growth longleaf pine savanna, the trees’ pine needles sing in the wind. Once considered forests, these landscapes in the southeastern U.S. coastal plain are open-canopied and sunny ...