地理学报 ›› 1999, Vol. 54 ›› Issue (2): 177-185.doi: 10.11821/xb199902010

• 论文 • 上一篇    

土地质量指标体系国际研究的新进展

冷疏影, 李秀彬   

  1. 中国科学院地理研究所,北京100101
  • 收稿日期:1998-04-08 修回日期:1998-07-10 出版日期:1999-03-15 发布日期:1999-03-15
  • 基金资助:
    国家科委“九五”攻关课题-脆弱生态区综合整治与可持续发展研究(96-920-13-01)项目;并得到中国科学院地理研究所土地利用/土地覆被变化动力学开放实验室出版基金支持

NEW PROGRESSES OF INTERNATIONAL STUDY ON LAND QUALITY INDICATORS (LQIs)

Leng Shuying, Li Xiubin   

  1. Institute of Geography, Chinese Academy of Sciences, Beijing 100101
  • Received:1998-04-08 Revised:1998-07-10 Online:1999-03-15 Published:1999-03-15
  • Supported by:
    Supported by the Ninth Five Year Plan“Study on Integrated Managementand Sustainable Development in Fragile Environment in China”(96-920-13-01)and the Publish Fund of the Open Laboratory for Land Use and Land Cover Changes Dynamicsunder the Institute of Geography,Chinese Academy of Sciences

摘要: 国内外有关土地资源的综合研究自70年代以来逐步形成了一个系统的应用基础学科--土地科学。进入90年代,在有关全球环境变化研究的深化过程中,着眼于土地动态的土地覆被变化研究被列入核心研究领域;最近,旨在更好地掌握土地质量变化的土地质量指标体系(LQIs)研究又被土地科学研究领域中最为活跃的几大国际组织确定为优先研究项目。本文系统地介绍了国际上有关土地质量指标体系研究的源起、概念框架、最新进展及在研项目的情况。

关键词: 土地质量, 土地质量指标体系, 土地利用, 压力-状态-响应模型

Abstract: The study of land resources in China and abroad since the 1970s has evolved into an important and comprehensive field of applied research in earth sciences. This field encompasses the study of land types, land assessment, land productivity potential, land capacity to carry population, land use and land cover, land planning, and land information system, etc. During the 1990s, a key focus of study has been the changes in land cover. More recently, in an attempt to better understand the changes in land quality, an international collaborative project has been initiated to develop land quality indicator systems. Participating agencies include the World Band, United Nations Food and Agriculture Organization, United Nations Environment Program, United Nations Development Program, and the Ministry of Agriculture and Agri Food of Canada. This paper introduces the this project in the hope that it will arouse the interests of Chinese scholars at a time when the nation faces extremely serious problems of land degradation, especially in environmentally fragile regions. The project is based on the theoretical framework of pressure state response to measure the pressure on land resources, the impact of the pressure on land quality, and societal responses to the pressure. Different land quality indicators have been established through the analysis of land quality problems in typical agricultural ecological zones of the world in the tropical and subtropical regions, including the humid tropical rainforest region, seasonally dry tropical region, Savanna region, subtropical region, semi arid region, and arid region. In each region, the indicator system takes into consideration such variables as land quality, land use, agricultural production, population, resources and societal responses. On the other hand, other indicator systems are designed to evaluate a specific problem, such as land degradation. Such indicator systems can be disaggregated into pressure indicators, land condition indicators and societal response indicators. Although designed mainly for use at the regional and national levels, some systems have been developed for use by local places and farms.

Key words: land quality indicator, land use, pressure state response model

中图分类号: 

  • F301.24