土壤-作物中重金属生物有效性和可给性研究进展  

Review on heavy metal bioavailability and bioaccessibility in soil-crop system

作　　者：郭可欣 李天元 宋繁永 傅晓文 张强[1] 季蕾 GUO Ke-xin;LI Tian-yuan;SONG Fan-yong;FU Xiao-wen;ZHANG Qiang;JI Lei(Shandong Provincal Key Laboratory of Applied Microbiology,Ecology Institute,Qilu University of Technology(Shandong Academy of Sciences),Ji’nan 250103,China)

机构地区：[1]齐鲁工业大学(山东省科学院),山东省科学院生态研究所,山东省应用微生物重点实验室,山东济南250103

出　　处：《中国环境科学》2023年第8期4164-4174,共11页China Environmental Science

摘　　要：在现有研究基础上,概述了用于土壤/作物中重金属生物有效性的形态分析方法和生物模型,总结了用于研究土壤和作物中重金属生物可给性常用的几种体外方法,分析了土壤/作物中重金属生物有效性和生物可给性的影响因素,重点关注了介质理化性质、各形态重金属之间相互作用和外源添加物质等因素对土壤重金属的生物有效性和生物可给性的影响,同时探讨了重金属形态、重金属的亚细胞分布等因素对作物中重金属生物有效性和可给性的影响.该综述提出的未来关于土壤和作物中重金属生物有效性和生物可给性的研究方向,可为今后的研究提供理论参考.Based on the existing research,the morphological methods and biological models commonly used for determining the bioavailability of heavy metals in soils and crops were outlined,and several in vitro methods commonly used for studying the bioaccessibility of heavy metals in soils and crops were summarized,and the factors influencing the bioaccessibility and bioavailability of heavy metals were analyzed,with a focus on the effects of the physical and chemical properties of the media,the interaction between various forms of heavy metals and exogenously added substances on the bioaccessibility and bioavailability of heavy metals in soils,as well as the effects of heavy metal morphology and subcellular distribution of heavy metals on the bioaccessibility and bioavailability of heavy metals in crops.Future research directions on the bioaccessibility and bioavailability of heavy metals in soils and crops were suggested,which may provide theoretical references for future research.

关 键 词：重金属 生物有效性 生物可给性 土壤 农作物 

分 类 号：X53[环境科学与工程—环境工程]