The research on "missing sink" is main content in the global carbon cycle and global climate change.

“未知汇”的研究是全球碳循环及全球气候变化研究的主要内容之一。

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Forest soil is the important source and sink of greenhouse gas in atmosphere. The main greenhouse effect gases, such as CO2, CH4 and N2O, are related to this system directly or indirectly.

森林土壤是大气温室气体重要的源和汇，主要的温室效应气体CO2、CH4及N2O都直接或间接与这个系统有关。

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The release of carbon and other main nutrients was slow, thus CWD exhibited an important long-term carbon sink in the forest.

虽然存在元素的净释放，但是由于C和其它主要元素的释放速率较慢，因而锥栗粗木质残体是森林中重要的C库和长期的元素来源。

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