Carolina Hemlock Populations: Isolated and Imperiled

Hemlocks are under attack. U.S. Forest Service scientists and their partners are working to save the native conifers from the hemlock woolly adelgid (HWA), an invasive insect from Japan. Carolina hemlock (Tsuga caroliniana) trees can survive HWA infestation for a decade or more but often die within four years. Carolina hemlocks grow in tiny, isolated…  More 

The Coweeta Hydrologic Laboratory

Much of what we know today about the hydrology of forested watersheds was learned through early research at the U.S. Forest Service Coweeta Hydrologic Laboratory (Coweeta). Established in 1933 as the Coweeta Experimental Forest, the laboratory represents the longest continuous environmental study on any landscape in North America, as well as one of the oldest…  More