Century-long Experiment Tests Forest Diversity

百年实验检测森林多样性

Published October 30, 2013

此视频发布于2013年10月30日

We depend on forests for life. They provide the oxygen we breathe, harbor diverse species of plants and animals, protect watersheds, prevent soil erosion, and help keep global warming in check. But forests are under assault on multiple front from disease to climate change. As VOA’s Rosanne Skirble reports, a century-long project is underway at the Smithsonian Environmental Research Center near Washington to study the forest in a big way.

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