Enhancing rice production sustainability and resilience via reactivating small water bodies for irrigation and drainage
文献类型： 外文期刊
作者： Li, Sisi 1 ; Zhuang, Yanhua 1 ; Liu, Hongbin 4 ; Wang, Zhen 5 ; Zhang, Fulin 7 ; Lv, Mingquan 8 ; Zhai, Limei 4 ; Fan, Xianpeng 7 ; Niu, Shiwei 9 ; Chen, Jingrui 10 ; Xu, Changxu 10 ; Wang, Na 9 ; Ruan, Shuhe 1 ; Shen, Wangzheng 1 ; Mi, Menghan 1 ; Wu, Shengjun 8 ; Du, Yun 1 ; Zhang, Liang 1 ;
作者机构： 1.Chinese Acad Sci, Innovat Acad Precis Measurement Sci & Technol, Hubei Prov Engn Res Ctr Nonpoint Source Pollut Con, Wuhan 430077, Peoples R China
2.Key Lab Environm & Disaster Monitoring & Evaluat H, Wuhan 430077, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
4.Chinese Acad Agr Sci, Inst Agr Resources & Reg Planning, Beijing 100081, Peoples R China
5.Huazhong Agr Univ, State Environm Protect Key Lab Soil Hlth & Green R, Wuhan 430070, Peoples R China
6.Huazhong Agr Univ, Interdisciplinary Res Ctr Terr Spatial Governance, Wuhan 430070, Peoples R China
7.Hubei Acad Agr Sci, Inst Plant Protect Soil & Fertilizer Sci, Wuhan 430064, Peoples R China
8.Chinese Acad Sci, Chongqing Inst Green & Intelligent Technol, Chongqing 400714, Peoples R China
9.Liaoning Acad Agr Sci, Shenyang 110161, Peoples R China
10.Jiangxi Acad Agr Sci, Inst Soil & Fertilizer & Resources & Environm, Nanchang 330200, Peoples R China
期刊名称：NATURE COMMUNICATIONS （ 影响因子：16.6； 五年影响因子：17.0 ）
ISSN：
年卷期： 2023 年 14 卷 1 期
页码：
收录情况： SCI
摘要： Ponds played an important role in ancient rice-growing regions such as China and India. Here, the authors find that reviving small water bodies to recycle drainage water for irrigation can reduce China's rice production water footprint by 9% and alleviate 2-3% yield loss in dry years. Rice farming threatens freshwater resources, while also being increasingly vulnerable to drought due to climate change. Rice farming needs to become more sustainable and resilient to climate change by improving irrigation drainage systems. Small water bodies, used to store drainage water and supply irrigation in traditional rice farming systems have gradually been abandoned in recent decades. This has resulted in a higher water footprint (WF) associated with rice farming due to increased freshwater usage and wastewater release, also leaving rice production more vulnerable to extreme weather events. Here, we propose how protecting and reactivating small water bodies for rice irrigation and drainage can decrease rice production WF in China by 30%, save 9% of China's freshwater consumption, increase irrigation self-sufficiency from 3% to 31%, and alleviate yield loss in dry years by 2-3%. These findings show that redesigning rice irrigation drainage systems can help meet water scarcity challenges posed by climate change.
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