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中国沙漠 ›› 2020, Vol. 40 ›› Issue (4): 18-23.DOI: 10.7522/j.issn.1000-694X.2020.00006

• • 上一篇    下一篇

荒漠地区15种植物的元素含量

张彩霞1(), 娄俊鹏2, 蔡迪文2   

  1. 1.中国科学院西北生态环境资源研究院 沙漠与沙漠化重点实验室, 甘肃 兰州 730000
    2.中国科学院地理科学与资源研究所 陆地水循环及地表过程重点实验室, 北京 100101
  • 收稿日期:2019-11-26 修回日期:2020-01-07 出版日期:2020-08-20 发布日期:2020-09-01
  • 作者简介:张彩霞(1984—),女,甘肃古浪人,博士,高级工程师,主要从事土壤和植被化学元素解析研究。E-mail: zhangcaixia@lzb.ac.cn
  • 基金资助:
    中国科学院西北生态环境资源研究院公共技术服务中心仪器功能开发项目(Y429C51007)

Major and minor elements content for fifteen-five vegetation samples in desert areas

Caixia Zhang1(), Junpeng Lou2, Diwen Cai2   

  1. 1.Key Laboratory of Desert and Desertification, Northwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences, Lanzhou 730000, China
    2.Key Laboratory of Water Cycle and Related Land Surface Processes, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China
  • Received:2019-11-26 Revised:2020-01-07 Online:2020-08-20 Published:2020-09-01

摘要:

采集了15种荒漠地区常见植物的样品,基于X射线荧光光谱法对其元素含量进行了测定。结果表明:组成荒漠地区植物的常量元素主要有Cl、S、P、Ca、Si、Al、K、Na和Mg,微量元素主要有Sr、Rb、Br、Zn、Cu、Ni、V、Ti、Ba、Mn 和Fe。不同种类植物中各元素的含量不同,体现了植物因遗传生理特性的不同而对环境元素选择吸收的特点。15种荒漠植物的常量元素组成的典型特征是富Ca、K贫Na,表明生境对各类植物化学成分含量的统一影响。属于同科的植物化学元素组成比较接近,说明植物元素化学成分可作为植物分类的标志之一。

关键词: 荒漠, 植物, 常量元素, 微量元素

Abstract:

Fifteen-five kinds of vegetation samples were collected in desert area, and the contents of major and minor elements were analyzed based on the X-ray fluorescence methods. The results indicate that major elements contained in the desert vegetation are Cl, S, P, Ca, Si, Al, K, Na and Mg. Minor elements contained are Sr, Rb, Br, Zn, Cu, Ni, V, Ti, Ba, Mn and Fe. Different kinds of plants have different contents of elements, which indicates that plants have selective absorption of geochemical elements. The desert plant samples are rich in Ca, K and poor in Na, indicating unified influence of habitat on the chemical components of various plants. The chemical element contents of the plants in same family are similar, which shows that the chemical components of plant can be used as one of the indicators for plant classification.

Key words: desert area, vegetation, major element, minor element

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