自然资源学报

自然资源学报 ›› 2000, Vol. 15 ›› Issue (2): 160-163.doi: 10.11849/zrzyxb.2000.02.013

• 论文 • 上一篇    下一篇

荒漠化指标体系设计原则的研究

孙武1, 南忠仁2, 李保生1, 张勃3   

  1. 1. 华南师范大学地理系,广州510631;
    2. 兰州大学地理系,兰州730000;
    3. 西北师范大学地理系,兰州730000
  • 收稿日期:1999-06-18 修回日期:1999-12-13 出版日期:2000-06-25 发布日期:2000-06-25
  • 作者简介:孙武(1963-),男,甘肃人,理学博士,副教授。主要从事荒漠化方面的科研与教学工作。
  • 基金资助:

    国家自然科学基金资助项目,(49971009);广东省重点学科课题,(660020)资助

An approach to the designing principle of desertification indicators

SUN wu1, NAN Ahongren2, LI Bao sheng1, ZHAN Bo3   

  1. 1. Dept.of Geography,South China Normal University,Guangzhou 510631,China;
    2. Dept.of Geography,Lanzhou University,Lanzhou 730000,China;
    3. Dept.of Geography,Northwest Normal University,Lanzhou, 730000 China
  • Received:1999-06-18 Revised:1999-12-13 Online:2000-06-25 Published:2000-06-25

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摘要： 通过对国内外指标体系在指标选取与数据获得 ,分级量化与准确性校验方面存在问题的分析 ,认为目前荒漠化的分等定级有相当多的成分是用土地的绝对景观状态代替相对退化 ,影响了荒漠化分布范围、危害程度和防治效益的准确评估。土地退化生态基准初始面与终极面的恢复和确定 ,是建立规范科学指标体系的前提 ,由此提出了设计指标体系系统的三原则 :不同的生物气候带对应的生态基准面决定不同指标体系的地带性原则 ;不同空间尺度和不同传感器的分辨率决定不同指标体系的层次性原则和以基于3S景观类型为核心指标的原则

关键词: 生态基准面, 地带性原则, 层次性原则, 景观类型原则

Abstract: Desertification index system plays an important role in desertification research,as indicating both the level of dynamic mechanism of desertification and the contribution to the rehabilitaition of desertified land.Firstly,the problems concerning the selection,acquisition,quantification and checking about index are evaluated according to the criterion of standardization,simplicity and practicability.Then,the approach is made to the relationship between ecological base plane and indicators.Finally,based on the view that the establishment of ecological base plane is fundamental to ideal index system in the desertification monitoring and assessment,three principles to design index system are put foreward,which are respectively zonation,scale and landscape.

Key words: ecological base plane, zonation, scale, landscape