土壤硒元素地球化学特征及影响因素研究进展

Advances in studies on geochemistry characteristics and influencing factors of selenium in soils

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DOI 10.12208/j.aes.20230016
刊名
Advances in Resources and Environmental Science
年,卷(期) 2023, 2(3)
作者
作者单位

陕西省地质调查院水工环地质调查中心 陕西西安 ;

摘要
硒是人体必需微量元素,但是这种元素不能被人体合成,只能从外界摄取,而食物中硒的含量与土壤中硒的有效形式以及植物和动物对硒的吸收与积累有密切联系。硒是一种地球化学和生物化学中广泛存在的化学元素,它在土壤和植物中扮演这重要的角色。硒的分布收许多因素的影响,包括地质、气候、土壤类型、PH、土壤有机质含量和微生物活动等。本文梳理了近年来不同地区土壤质量地球化学调查的研究成果,总结了典型富硒区土壤硒元素地球化学特征,分析概括了土壤硒含量的主要影响因素,以期为富硒土壤资源的科学保护和合理利用提供科学依据和数据支撑。经过研究表明,土壤硒元素含量在不同土壤类型、理化性质、成土母质和土地利用方式等影响下存在明显差异。
Abstract
Selenium is an essential trace element in human body, but this element cannot be synthesized by human body and can only be absorbed from the outside world. However, the content of selenium in food is closely related to the effective form of selenium in the soil and the absorption and accumulation of selenium by plants and animals. Selenium is a widespread chemical element in geochemistry and biochemistry, and it plays this important role in soils and plants. The distribution of selenium is affected by many factors, including geology, climate, soil type, PH, soil organic matter content, and microbial activities. In this paper, the research results of the geochemical survey of soil quality in different regions in recent years are summarized, the geochemical characteristics of soil selenium in typical selenium-rich areas are summarized, and the main influencing factors of soil selenium content are summarized, in order to provide scientific basis and data support for the scientific protection and rational utilization of selenium-rich soil resources. The research shows that the selenium content in soil is obviously different under the influence of different soil types, physical and chemical properties, soil matrix and land use methods.
关键词
典型富硒区;硒元素;地球化学特征;影响因素
KeyWord
Typical selenium-rich areas; Selenium; Geochemistry characteristics; Influencing factors
基金项目
页码 36-39
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李傲瑞,曾昭华,樊会敏,贺亚宁,韩盛,陈继平*. 土壤硒元素地球化学特征及影响因素研究进展 [J]. 资源与环境科学进展. 2023; 2; (3). 36 - 39.

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