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Quantification of net carbon flux from plastic greenhouse vegetable cultivation:A full carbon cycle analysis

机译:塑料大棚蔬菜栽培的净碳通量定量分析:全碳循环分析

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摘要

Plastic greenhouse vegetable cultivation (PGVC) has played a vital role in increasing incomes of farmers and expanded dramatically in last several decades. However, carbon budget after conversion from conventional vegetable cultivation (CVC) to PGVC has been poorly quantified. A full carbon cycle analysis was used to estimate the net carbon flux from PGVC systems based on the combination of data from both field observations and literatures. Carbon fixation was evaluated at two pre-selected locations in China. Results suggest that: (1) the carbon sink of PGVC is 1.21 and 1.23 Mg C ha~(-1) yr~(-1) for temperate and subtropical area, respectively; (2) the conversion from CVC to PGVC could substantially enhance carbon sink potential by 8.6 times in the temperate area and by 1.3 times in the subtropical area; (3) the expansion of PGVC usage could enhance the potential carbon sink of arable land in China overall.
机译:塑料大棚蔬菜栽培(PGVC)在增加农民收入方面起着至关重要的作用,并且在过去几十年中急剧扩大。但是,从常规蔬菜栽培(CVC)转换为PGVC后的碳收支状况很难量化。基于实地观测和文献数据的组合,使用了完整的碳循环分析来估算PGVC系统的净碳通量。在中国的两个预先选定的地点对固碳进行了评估。结果表明:(1)温带和亚热带地区PGVC的碳汇分别为1.21和1.23 Mg C ha〜(-1)yr〜(-1); (2)从CVC向PGVC的转化可以在温带地区将碳汇潜力大大提高8.6倍,在亚热带地区则提高1.3倍; (3)扩大PGVC的使用量可以整体上提高中国耕地的潜在碳汇。

著录项

  • 来源
    《Environmental Pollution》 |2011年第5期|p.1427-1434|共8页
  • 作者单位

    College of Life Sciences, Zhejiang University, 388 Yuhangtang Road, Zhejiang Province, Hangzhou 310058, China;

    College of Life Sciences, Zhejiang University, 388 Yuhangtang Road, Zhejiang Province, Hangzhou 310058, China;

    College of Life Sciences, Zhejiang University, 388 Yuhangtang Road, Zhejiang Province, Hangzhou 310058, China;

    College of Life Sciences, Zhejiang University, 388 Yuhangtang Road, Zhejiang Province, Hangzhou 310058, China;

    College of Life Sciences, Zhejiang University, 388 Yuhangtang Road, Zhejiang Province, Hangzhou 310058, China;

    College of Resource and Environmental Engineering, Shandong University of Technology, China;

    College of Life Sciences, Zhejiang University, 388 Yuhangtang Road, Zhejiang Province, Hangzhou 310058, China;

    Institut des sciences de I'environnement, Departement des sciences biologiques, Universite du Quebec a Montreal, Case postale 8888,Succursale Centre-Ville, Montreal, QC, Canada H3C 3P8;

    College of Life Sciences, Zhejiang University, 388 Yuhangtang Road, Zhejiang Province, Hangzhou 310058, China;

    College of Life Sciences, Zhejiang University, 388 Yuhangtang Road, Zhejiang Province, Hangzhou 310058, China;

  • 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
  • 中图分类
  • 关键词

    agricultural practice; climatic area; nep; npp; soil organic carbon;

    机译:农业实践;气候区;净利润;净利润;土壤有机碳;

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