USDA Blog

Sometimes reaching a height of more than 100 feet tall with trunk diameters often well over 10 feet, the American chestnut was the giant of the eastern U.S. forests. There were once billions of them and their range stretched from Georgia and Alabama to Michigan, but the majestic tree was gone before...

The United States forest products industry accounts for approximately four percent of the nation’s total manufacturing GDP, producing over $200 billion in products every year. To keep tabs on the condition and status of America’s forest resources over time, the USDA Forest Service Forest Inventory...

“Resilience” is the ability to recover from change, or when you think about landscapes, the ability to recover from disturbances like wildfires. A new model takes the idea of resilience and applies it to the natural environment, specifically, to sagebrush. This resilience model is one of the core...

Why are Rocky Mountain Research Station scientists sampling tree rings in the Pinaleño Mountains of southeast Arizona? Because tree ring samples reveal the history of fire. When fire scorches a tree, the tree floods its wound with sap, which protects the wound from wood rot decay for hundreds of...

Canada Lynx, hikers, and snowmobile enthusiasts can co-exist on national forests, according to a conclusion reached by USDA Forest Service researchers who published the first ever study of the impacts of recreationists on Canada Lynx movements (PDF, 1.3 MB).