Bio:
Email: shangxiaoyan@peu.edu.cn
尚小宴(1984—),女,博士研究生,从事生态环境监测与污染修复研究;shangxiaoyan@peu.edu.cn
铬是自然界广泛分布的重金属元素之一,土壤-作物系统中铬的迁移转化和吸收积累受到多种因素的影响。综述了土壤中铬的来源及形态转化规律,作物对铬的吸收转运和积累特征,铬对人体健康的毒性效应和有益作用。基于目前研究中存在的问题和铬健康风险评估面临的挑战,提出了构建从土壤过程、作物响应到人体健康的系统性研究思路。
Chromium is one of the widely distributed heavy metal elements in nature. Its migration, transformation, absorption, and accumulation in the soil-crop system are influenced by multiple factors. The sources and speciation transformation patterns of chromium in soil, the characteristics of chromium uptake, transport, and accumulation in crops, as well as its toxic effects and beneficial effects on human health are reviewed. Based on existing research gaps and challenges in chromium health risk assessment, a systematic research framework integrating soil processes, crop responses, and human health effects is proposed.
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