地球科学进展 doi: 10.11867/j.issn.1001-8166.2012.10.1148

所属专题: 青藏高原研究——青藏科考虚拟专刊

环境地球化学 上一篇    下一篇

青海东部土壤及生物体中硒的地球化学特征
马 强 1,姬丙艳 1,2,张亚峰 1*,任文恺 3,代 璐 1,黄秉雄 1   
  1. 1.青海省第五地质矿产勘查院,青海 西宁 810028; 2.中国地质大学地球科学与资源学院,北京 100083; 3.青海省第四地质矿产勘查院,青海 西宁 810029
  • 收稿日期:2012-07-10 修回日期:2012-08-31 出版日期:2012-10-10
  • 通讯作者: 张亚峰(1986-),女,青海西宁人,助理工程师,主要从事地球化学研究工作. E-mail:张亚峰yf1688.0429@163.com
  • 基金资助:

    青海省地质勘查基金项目“青海省西宁—乐都地区生态地球化学评价”项目(编号:10)资助.

Geochemical Characteristics of Selenium in Soils and Organisms in the East of Qinghai Province

Ma Qiang 1, Ji Bingyan 1,2,Zhang Yafeng 1, Ren Wenkai 3, Dai Lu 1, Huang Bingxiong 1   

  1. 1.The Fifth Institute of Geological and Mineral Exploration of Qinghai Province, Bureau of Geology and Mineral Resources,Xining 810028, China; 2. School of Earth Sciences and Resources,China University of Geosiences,Beijing 100083,China; 3. The Fourth Institute of Geological and Mineral Exploration of Qinghai Province, Bureau of Geology and Mineral Resources,Xining 810029, China
  • Received:2012-07-10 Revised:2012-08-31 Online:2012-10-10 Published:2012-10-10

以青海东部富硒土壤为对象,研究了该区土壤及生物体中硒元素的含量、分布及迁移转化等地球化学特征。结果表明,该区土壤硒含量受古近系西宁群控制,土壤处于富硒水平,土壤呈碱性,且Se6+占总硒比例较高,土壤有效硒高,利于植物、动物及人体吸收。发现大蒜、小麦、油菜、牧草等作物对硒吸收能力较强,处于富硒土壤区的人群头发和家畜毛羽硒含量均较高。这一研究结果对该地区富硒土壤合理开发利用,具有重要的指导意义。

Geochemical Characteristics such as range, distribution and transformation of selenium in soils and organisms were measured with the study of rich selenium soils in the East of Qinghai Province. The results indicated the range of soil selenium was controlled by Xining Group, Paleogene System. The soils were alkaline at a rich Se level. Selenium with a valence of six was high in total selenium proportion. The content of available selenium was fairly rich, which had the advantage of being absorbed by plants, animals and human bodies. Some crops such as garlic, wheat, canola, pasture, have the strong absorptive ability of selenium. Both the human hair and farm animal hair and feather, from the district of seleniumrich soil, contain higher selenium. This result has important guidance purpose to the reasonable development of rich selenium soils in this area.

中图分类号: 

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