The invasive emerald ash borer, according to the U.S. Department ... stabilizing streambanks with an extensive root system, keeping waterways cool through shade and serving as a food source ...

Samples for the study were collected by researchers from Penn State, the Forest Service and other partners around the Oregon ash range ... with an extensive root system, keeping waterways cool ...

The invasive emerald ash borer, according to the U.S. Department of Agriculture, was first found in the United States in southeast Michigan in 2002. In the decades ...