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Journal of Geographical Sciences >

2005 , Vol. 15 >Issue 3: 329 - 336

DOI: https://doi.org/10.1360/gs050306

Climate and Environmental Change

Changes and spatial patterns of eco-environment in the farming-pastoral region of northern China

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  • 1. College of Resources Science and Technology, Beijing Normal University, Beijing 100875, China;

    2. National Remote Sensing Center of China, Chinese Ministry of Science and Technology, Beijing 100862, China

Received date: 2005-03-15

  Revised date: 2005-05-30

  Online published: 2005-09-25

Supported by

The State Key Basic Research and Development Plan of China, No.G2000018607; National Natural Science Foundation of China, No.30000027

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Abstract

This paper firstly selects 10 kinds of indexes to reflect eco-environment background condition and builds the multi-subject spatial database by using ground meteorological data, remote sensing data and DEM. It then discusses in detail the methods about evaluating eco-environment background condition and analyzing eco-environment change. The eco-environment background conditions of 1989 and 1999 are synthetically appraised. Finally, the paper analyzes the spatial distribution, quantitative change, the trend of change, the areas of change and the dynamic spatial pattern of eco-environment. The results are as follows: (1) The eco-environment background condition becomes worse from southeast to northwest in the farming-pastoral region of northern China. (2) The eco-environment background condition deteriorates from 1989 to 1999. (3) In the adjacent areas of Shanxi-Shaanxi-Inner Mongolia-Gansu-Ningxia, Horqin Sandy Land and its peripheries, and eastern Qinghai province, eco-environmental deterioration is very serious.

Key words： northern China; farming-pastoral region; eco-environment; spatial pattern

Cite this article

JIANG Weiguo, LI Jing, LI Jiahong, CHEN Yunhao, WU Yongfeng . Changes and spatial patterns of eco-environment in the farming-pastoral region of northern China[J]. Journal of Geographical Sciences, 2005 , 15(3) : 329 -336 . DOI: 10.1360/gs050306

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