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Challenges and opportunities for improving the environmental quality of cadmium-contaminated soil in China

文献类型：期刊论文

作者Yang, Jun1,2; Hu, Ruqing1,2; Zhao, Chen1; Wang, Lingqing1; Lei, Mei1,2; Guo, Guanghui1; Shi, Huading3; Liao, Xiaoyong1,2,4; Chen, Tongbin1,2
刊名JOURNAL OF HAZARDOUS MATERIALS
出版日期2023-03-05
卷号445页码:13
ISSN号0304-3894
关键词Phytoextraction Intercropping Rotation Cost -benefit Gross ecosystem product
DOI10.1016/j.jhazmat.2022.130560
通讯作者Shi, Huading(shihuading@tcare-mee.cn) ; Liao, Xiaoyong(liaoxy@igsnrr.ac.cn)
英文摘要Considering the soil cadmium pollution problem, the Chinese government proposed to estimate the costs and practicality "to completely improve the soil quality by the middle of this century". This study analyzed the challenges in achieving this goal using biophysical data from 10 typical demonstration soil phytoextraction projects. The current annual phytoextraction efficiency was determined as 14.8-490 g ha-1 a-1 at 319 RMB g-1 cadmium. A total of 798 billion RMB and 5 years were required for remediation of cadmium contamination, which was 22 times the investment in soil remediation during 2016-2022. The break-even point of phytoextraction projects was 29 years. The heavy financial burden was considered the primary challenge in improving the environmental quality of such soil. The cost could be reduced by 5.5-35.3 % through optimization measures such as resourcefulness of hyperaccumulator harvests, large-scale breeding, and mechanized management. The break-even point could be shortened to 6-15 years by intercropping/rotating crops, contributing to the goal. Active exploration of phytoextraction efficiency-more efficient accumulators, optimized agronomic measures-is worth practicing.
WOS关键词HYPERACCUMULATOR SEDUM-ALFREDII ; THLASPI-CAERULESCENS ; CD ; PHYTOREMEDIATION ; METAL ; PHYTOEXTRACTION ; FIELD ; L. ; PLUMBIZINCICOLA ; ACCUMULATION
资助项目National Natural Science Foundation of China ; National Science Fund for Distinguished Young Scholars of China ; [42077134] ; [42225707]
WOS研究方向Engineering ; Environmental Sciences & Ecology
语种英语
出版者ELSEVIER
WOS记录号WOS:000903963200001
资助机构National Natural Science Foundation of China ; National Science Fund for Distinguished Young Scholars of China
源URL[http://ir.igsnrr.ac.cn/handle/311030/189065]  
专题中国科学院地理科学与资源研究所
通讯作者Shi, Huading; Liao, Xiaoyong
作者单位1.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Ctr Environm Remediat, Beijing 100101, Peoples R China
2.Univ Chinese Acad Sci, Coll Resources & Environm, Beijing 100049, Peoples R China
3.Minist Ecol & Environm, Tech Ctr Soil Agr & Rural Ecol & Environm, Beijing 100012, Peoples R China
4.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, 11A Datun Rd, Beijing 100101, Peoples R China
推荐引用方式
GB/T 7714		 Yang, Jun,Hu, Ruqing,Zhao, Chen,et al. Challenges and opportunities for improving the environmental quality of cadmium-contaminated soil in China[J]. JOURNAL OF HAZARDOUS MATERIALS,2023,445:13.
APA Yang, Jun.,Hu, Ruqing.,Zhao, Chen.,Wang, Lingqing.,Lei, Mei.,...&Chen, Tongbin.(2023).Challenges and opportunities for improving the environmental quality of cadmium-contaminated soil in China.JOURNAL OF HAZARDOUS MATERIALS,445,13.
MLA Yang, Jun,et al."Challenges and opportunities for improving the environmental quality of cadmium-contaminated soil in China".JOURNAL OF HAZARDOUS MATERIALS 445(2023):13.

入库方式： OAI收割

来源：地理科学与资源研究所

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