林地重金属污染的微生物修复机制

编号 lyqk008178

中文标题 林地重金属污染的微生物修复机制

作者 盖旭  张小平  卞方圆  杨传宝  钟哲科 

作者单位 国家林业和草原局竹子研究开发中心, 杭州 310012

期刊名称 世界林业研究 

年份 2020 

卷号 33

期号 2

栏目编号 1

栏目名称 专题论述 

中文摘要 林地在维持森林生态系统稳定、保护物种多样性、促进经济发展及保障人民生活等方面起着重要作用。但如今大气干湿沉降、矿区及工业生产污染以及有机肥超量施用等造成的重金属污染问题正日益威胁着森林生态系统正常功能的发挥。微生物在林地重金属污染修复方面具有明显效果，对其修复机制进行研究具有重要的理论意义。文中综述林地重金属污染物的来源及微生物修复机制，介绍微生物对重金属的吸附、累积，通过代谢过程对重金属进行氧化、还原、甲基化、去甲基化等生物转化，以及通过矿化、络合作用钝化重金属来修复重金属污染等修复机理，并提出研究展望，以为后续林地土壤微生物修复提供参考。

关键词 林地  重金属污染  污染来源  微生物修复机制 

基金项目 中央级公益性科研院所基本科研业务费专项（CAFYBB2018ZD002）。

英文标题 Research Progress in Heavy Metal Remediation Mechanism by Microorganisms in Forest Soil

作者英文名 Gai Xu, Zhang Xiaoping, Bian Fangyuan, Yang Chuanbao, Zhong Zheke

单位英文名 China National Bamboo Research Center, National Forestry and Grassland Administration, Hangzhou 310012, China

英文摘要 Forest soil plays an important role in maintaining forest ecosystem stability, protecting species diversity, promoting economic development and ensuring people’s livelihood. But heavy metal pollution, which is mainly caused by atmospheric bulk deposition, industrial pollution, overuse of organic fertilizer, etc., has a negative effect on the functions and services of forest ecosystem. Microorganisms have significant effects on remediation of heavy metal pollution in forest soil, and the research on their remediation mechanism has the important theoretic significance. This paper systematically summarizes the sources of heavy metal pollution and the mechanism of heavy metal remediation by microorganisms in forest soil, and introduces the adsorption and bioaccumulation of heavy metals by microorganisms, including the biological transformation such as oxidation, reduction, methylation and demethylation and the bioremediation such as passivation processes through mineralization and complexation. The research prospects are proposed with the expectation to provide the references for the future research on the remediation of heavy metal polluted forest soil by microorganisms.

英文关键词 forest soil;heavy metal pollution;pollution source;microorganism;remediation mechanisms

起始页码 48

截止页码 53

投稿时间 2019-06-05

最后修改时间 2019-09-05

作者简介 盖旭,男,山东临沂人,博士研究生,主要从事森林土壤生态修复,E-mail:xugai@caf.ac.cn。

通讯作者介绍 钟哲科,E-mail:zhekez@163.com。

E-mail 钟哲科，zhekez@163.com

分类号 S718.5,X172

DOI 10.13348/j.cnki.sjlyyj.2019.0098.y

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