还有一种思想认为，一些物种和生态系可以起到的作用比想象中更多——比如热带森林，它可以调节世界气候。
It is also thought that some creatures and ecosystems are proving more useful than suspected - like tropical forest, which moderates the world's climate.
斯科特是美国威斯康辛大学森林及野生动植物生态系教授及木制品专家。
Scott is a Professor and Wood Products Extension Specialist in the Department of Forest and Wildlife Ecology at the University of Wisconsin.
斯科特是美国威斯康辛大学森林及野生动植物生态系教授及木制品专家。
Scott is a Professor and Wood Products Extension Specialist in the Department of Forest and Wildlife Ecology at the University of Wisconsin.
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