Author: kpotter

Hemlocks are under attack. U.S. Forest Service scientists and their partners are working to save the native conifers from the hemlock wooly adelgid (HWA), an invasive insect from Japan. Carolina hemlock (Tsuga caroliniana) trees can survive HWA infestation for a Read More …

Where can you go to find an eastern hemlock tree? Although threatened by the hemlock woolly adelgid, eastern hemlock has an extensive range. Hemlock’s range encompasses great variability in the environment and genetic variability in the species. Hemlock often grows Read More …

Insects, diseases, droughts, and fire threaten forests. Each year, the U.S. Forest Service assesses threats facing the nation’s forests. Forest managers, scientists, and decision-makers rely on the annual reports. The Southern Research Station of the U.S. Forest Service recently published Read More …

After analyzing extensive data collected on 86 tree species in the eastern U.S., researchers found that most trees have been shifting their ranges westward or northward in response to temperature and precipitation changes. Scientists from Purdue University, North Carolina State Read More …

  What do water locust, Texas walnut, chalk maple, pyramid magnolia, two-wing silver bell, and butterbough all have in common? They’re among the U.S. tree species most vulnerable to climate change, according to a study by North Carolina State University Read More …