Century-long Experiment Tests Forest Diversity

百年實(shí)驗(yàn)檢測(cè)森林多樣性

Published October 30, 2013

此視頻發(fā)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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