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Nature Food|中国农业NH₃与N₂O协同减排:政策协同效应大于权衡

  • 2026-06-24 11:30:38
Nature Food|中国农业NH₃与N₂O协同减排:政策协同效应大于权衡

英文标题:Policy synergies outweigh trade-offs for NH₃ and N₂O co-control in China

中文标题:中国NH₃N₂O协同控制中政策协同效应超过权衡

期刊名称Nature Food

发表时间:2026.06.22

第一作者:Fangming JiangZhang Wen(共同第一作者)

通讯作者:郑逸璇,生态环境部环境规划院大气环境规划研究所副研究员;杨武,浙江大学环境与资源学院百人计划研究员、博士生导师;雷宇,生态环境部环境规划院大气环境规划研究所研究员。

文章概要

农业氨(NH3)和氧化亚氮(N2O)的排放加以控制,对于改善空气质量及应对气候变化而言十分重要。但是不同的农业政策究竟能否同时降低NH3N2O的排放,又或者出现减排权衡的状况,当前仍缺少系统的评估。此项研究建立了20002022年中国城市尺度下的农业NH3N2O排放清单,并且联合机器学习数据整合、政策情景分析、协同指数评价,以评估六类农业政策的减排贡献。

研究结果表明,中国农业中NH3N2O排放都在2015年前后达到了最高,到2022年,两类氮排放量分别下降了16%30%2015年之后所取得的协同减排成效主要是依靠化肥减量政策来推动的,该政策所贡献的减排量在90%左右。相比之下,粪污管理和秸秆利用政策整体取得的效果有限,不过在非牧区展现出了较好的协同潜力。对全链条畜禽粪污管理进行优化,有希望能在短时间内促使畜牧部门从减排权衡转变为协同控制。

该图展示中国20002022年农业NH₃N₂O排放的时空格局

该图展示20002022年中国农业NH₃N₂O排放的空间迁移

该图展示农业政策对反应性氮减排的效果及贡献

该图显示不同政策在区域尺度上对NH₃N₂O减排的协同与权衡

该图显示通过强化畜禽粪污和秸秆管理提高政策减排效果与协同水平

文章亮点

  • 明确20002022年全国尺度下农业NH₃N₂O高分辨率排放清单。

  • 通过政策情景模拟比较了农业政策对全国尺度下NH₃N₂O同步减排作用。

  • 2015年以后农业氮减排主要由化肥减量政策主导(贡献约占90%)。

原文链接

https://doi.org/10.1038/s43016-026-01368-3

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  1. CONNECT:[ UseTime:0.000446s ] mysql:host=127.0.0.1;port=3306;dbname=h_mffb;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000523s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000286s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000370s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000478s ]
  6. SELECT * FROM `set` [ RunTime:0.000782s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000758s ]
  8. SELECT * FROM `article` WHERE `id` = 554974 LIMIT 1 [ RunTime:0.000437s ]
  9. UPDATE `article` SET `lasttime` = 1782285054 WHERE `id` = 554974 [ RunTime:0.003732s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.000285s ]
  11. SELECT * FROM `article` WHERE `id` < 554974 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000461s ]
  12. SELECT * FROM `article` WHERE `id` > 554974 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000405s ]
  13. SELECT * FROM `article` WHERE `id` < 554974 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000763s ]
  14. SELECT * FROM `article` WHERE `id` < 554974 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.001025s ]
  15. SELECT * FROM `article` WHERE `id` < 554974 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.001057s ]
0.093594s