粮食安全与“双碳”视角下黄河流域农田生态补偿额度
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S181

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河南省教育厅人文社会科学研究项目“河南沿黄地区农田重金属土壤污染的关键因素及分阶段管控方案研究”(2021-ZZJH-161); 国家社会科学资助项目“'双碳’目标下数字经济转型的碳减排效应机制研究”(22CJY058)


Farmland Ecological Compensation Amount in Yellow River Basin From Food Security and “Dual Carbon” Perspectives
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    [目的] 测算从粮食安全和“双碳”两个视角下的农田生态补偿额度,并将流域上中下游的地理空间、经济贡献度等因素综合考虑在内划分生态补偿区域,为流域高标准农田建设、农业低碳发展、健全利益补偿机制提供理论参考。 [方法] 首先从粮食安全的角度对黄河流域内60个地级市进行了农田盈亏量的测算,基于机会成本法建立了粮食安全视角下的农田生态补偿标准;接着,计算黄河流域各市农业生产过程中,使用的农业资源与农作物生长过程所产生的碳排放量,估计农作物生长中通过光合作用吸收碳的总量。根据所得碳源、碳汇量计算该区域内农田的总净碳汇量。以2021年碳交易平均价格为补偿标准,求出“双碳”视角下区域内农田生态补偿标准。最后,在分别计算粮食安全与“双碳”视角下的农田生态补偿额度的基础上,得出双视角下黄河流域的农田生态补偿额度。[结果] 青海、河南省内黄河流经的市大多都接受一定的补偿。部分省会城市如西安、郑州与太原市因城镇化与工业化水平较高,经济发展情况良好,需要支付的农田生态补偿额度较高,说明当地农田安全与粮食、生态安全间的矛盾问题更严重。[结论] 在高标准农田的建设中,为更合理地进行农田生态补偿,应在保障粮食安全的前提下,结合考虑农业生产过程中的碳排放与碳吸收量,以实现中国的“双碳”目标,助力农业强国建设。

    Abstract:

    [Objective] The farmland ecological compensation amounts were calculated from the perspectives of food security and “double carbon”. The geographical space and economic contribution degree of the upper, middle, and lower reaches of the basin were comprehensively considered to divide the ecological compensation areas, in order to provide a theoretical reference for the construction of high-standard farmland, low-carbon agricultural development, and improvement of the benefit compensation mechanism in the basin.[Methods] We measured the profits and losses of farmland in 60 cities within the Yellow River basin from the perspective of food security, established a standard for farmland ecological compensation based on the opportunity cost method, calculated carbon emissions from agricultural resources used in production and crop growth across these cities, estimated total carbon absorption through photosynthesis during crop growth, and determined the net carbon sink of farmland in this region by considering both sources and sinks. The average carbon trading price in 2021 served as the compensation standard for calculating regional farmland ecological compensation from a “dualcarbon” perspective. Finally, by calculating farmland ecological compensation amounts separately under perspectives of food security and “doublecarbon”, we obtain comprehensive figures for dual-perspective ecological compensation within the Yellow River basin. [Results] Most cities in Qinghai and Henan provinces, where the Yellow River flows, accept certain compensation levels. Provincial capitals such as Xi’an, Zhengzhou, and Taiyuan City need to pay higher amounts due to their significant urbanisation level, industrialisation progress, and robust economic development. These findings highlighted a more pronounced conflict between local farmland security and food and ecological security. [Conclusion] In constructing high-standard farmland, carbon emissions and carbon absorption in the agricultural production process should be considered to ensure food security and to make farmland ecological compensation more reasonable, to achieve the goal of “dualcarbon” in China and to help the construction of powerful agricultural country.

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姚石,张秋泽,刘俊娟,胡悦,侯建,马恒运.粮食安全与“双碳”视角下黄河流域农田生态补偿额度[J].水土保持通报,2024,44(3):399-407

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  • 收稿日期:2024-02-21
  • 最后修改日期:2024-04-01
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  • 在线发布日期: 2024-08-21
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