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Drought and tropical soil emissions

机译:干旱和热带土壤排放

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摘要

Tropical forests have been aptly described as the planet's lungs. Tropical vegetation inhales vast amounts of carbon dioxide and exhales oxygen to the atmosphere, and in so doing, provides a vital climate benefit by absorbing some of the nearly 9 petagrams (1 petagram is 10~(15) g) of carbon that human activities release into the atmosphere each year. What's more, tropical soils influence climate by releasing large amounts of CO_2 as a by-product of the decomposition of organic matter, and through several other soil microbial processes that both emit and consume greenhouse gases, including nitrous oxide and methane.
机译:热带森林被恰当地描述为地球的肺。热带植被吸入大量二氧化碳并将氧气呼出到大气中,这样做可以吸收人体活动释放的近9皮克(1皮克为10〜(15)克)中的一些碳,从而提供了至关重要的气候效益。每年进入大气层。更重要的是,热带土壤通过释放大量有机物分解的副产物CO_2,以及通过其他几种排放和消耗温室气体(包括一氧化二氮和甲烷)的土壤微生物过程来影响气候。

著录项

  • 来源
    《Nature》 |2012年第7415期|p.211-212|共2页
  • 作者单位

    Department of Ecosystem and Conservation Sciences, University of Montana, Missoula, Montana 59812, USA;

    Department of Ecosystem and Conservation Sciences, University of Montana, Missoula, Montana 59812, USA;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
  • 原文格式 PDF
  • 正文语种 eng
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