Eco-environmental Impact of Urbanization Process in a Sandy Area

HOU Yang; ZHANG Yu-qing; WU Bin; ZHAO Zi-yang; SHI Hui-shu

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Eco-environmental Impact of Urbanization Process in a Sandy Area

- Eco-environmental Impact of Urbanization Process in a Sandy Area
- Bulletin of Soiland Water Conservation Vol. 32, Issue 1, Pages: 97-102(2013)
- 作者机构：
  
  1. 北京林业大学水土保持学院,北京,100083
  2. 宁夏盐池荒漠生态系统定位研究站, 宁夏盐池,751500
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2013
- 稿件说明：
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HOU Yang, ZHANG Yu-qing, WU Bin, et al. Eco-environmental Impact of Urbanization Process in a Sandy Area[J]. Bulletin of Soiland Water Conservation, 2013, 32(1): 97-102.
DOI：

HOU Yang, ZHANG Yu-qing, WU Bin, et al. Eco-environmental Impact of Urbanization Process in a Sandy Area[J]. Bulletin of Soiland Water Conservation, 2013, 32(1): 97-102. DOI：

摘要

借助"3S"技术、景观分析软件及统计分析手段

对宁夏回族自治区盐池县北部风沙区1989—2007年的城镇化进程和景观格局变化进行了研究。结果表明

盐池县城镇化水平在1985—1990年迅速增长

变化速率在54%～73.4%;1990年后

城镇化水平减缓

由之前平均每年增长3.88%到平均每年减小0.53%。城镇化过程中景观格局变化表现出多样性、均匀度、分离度、破碎度减小

集聚度增大的趋势。典型风沙区盐池县城镇化水平在过去的20a多中呈阶段性发展

景观格局的变化也表现出明显的阶段性。城镇化对生态环境建设有促进作用

两者相辅相成。在经济发展和正确的政策引导下

生态环境得到改善

特色的城镇化稳步发展。

Abstract

The process of urbanization and changes of the landscape in Yanchi County

Ningxia Hui Autonomous Region

a typical desert region

between 1989and 2007were studied with the support of the"3S" technology

landscape analysis software and statistical analysis.Results showed the level of Yanchi County's urbanization rapidly grew in 1985-1990and the rate of change was between 54% and 73.4%.Since 1990

thelevel of urbanization has decreased slowly

from an average annual growth of 3.88%in previous time to anaverage annual decrease of 0.53%.In the process of urbanization

landscape pattern changes reflected the reductions of diversity

evenness

separation and fragmentation

as well as the increases of the aggregation.The urbanization level of such a typical desert region grew distinctly in the past 20years

and landscape pattern changes also showed distinct phases.The influence of urbanization on the ecological environment is positive

complemented each other.Under the economic development and the right policy guidance

the ecological environment has improved and the specific urbanization has developed steadily.

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