Рет қаралды 468
Groves of giant hemlocks were once abundant in Shenandoah National Park, providing cool microclimates in the heat of the summer. An invasive aphid, the Hemlock Woolly Adelgid has decimated these majestic trees. Is there new hope for hemlocks in Shenandoah? Learn about how the Park has worked to stem the tide of destruction, including the recent introduction of a predatory beetle which feeds on the adelgid.