Observational data from long-term monitoring plots show that the carbon sink of remaining, undisturbed African and Amazonian tropical rainforest is declining. A study now finds that simulations from Earth system models cannot reproduce this decline.

中文翻译：

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减少的热带碳汇

来自长期监测地块的观测数据表明，剩余的、未受干扰的非洲和亚马逊热带雨林的碳汇正在减少。现在的一项研究发现，地球系统模型的模拟无法重现这种下降。