Land Use Changes and Ecological Environment Effects in a Valley City Based on RS and GIS

HUANG Hui-ping; WANG Yong-bing; FENG Xiao-ming

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Land Use Changes and Ecological Environment Effects in a Valley City Based on RS and GIS

- Land Use Changes and Ecological Environment Effects in a Valley City Based on RS and GIS
- Bulletin of Soiland Water Conservation Vol. 29, Issue 6, Pages: 229-232(2010)
- 作者机构：
  
  1. 华北水利水电学院资源与环境学院, 河南郑州 4500111
  2. 湖北省漳河工程管理局,湖北,荆门,448156
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2010
- 稿件说明：
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HUANG Hui-ping, WANG Yong-bing, FENG Xiao-ming. Land Use Changes and Ecological Environment Effects in a Valley City Based on RS and GIS[J]. Bulletin of Soiland Water Conservation, 2010, 29(6): 229-232.
DOI：

HUANG Hui-ping, WANG Yong-bing, FENG Xiao-ming. Land Use Changes and Ecological Environment Effects in a Valley City Based on RS and GIS[J]. Bulletin of Soiland Water Conservation, 2010, 29(6): 229-232. DOI：

摘要

基于RS和GIS技术

从1990年和2006年兰州市TM和ETM遥感数据和专题矢量数据中提取了土地利用数据

分析了该区16a来的土地利用变化

并从生态系统服务价值的角度

定量评价了该区土地利用变化所产生的生态环境效应。结果表明

1990—2006年兰州市林地增长面积最大

主要来源于草地和耕地的转出

其次为城镇交通用地

主要是对耕地、草地和未利用地的占用;土地利用类型面积减少最大的是草地

主要转变为耕地、林地和城镇交通用地。土地利用变化引起生态服务价值变化表现为1990年为43594.95万元

2006年为44084.16万元

表明该区域生态环境整体向良性方向发展。

Abstract

Based on RS and GIS

the data of land use changes in Lanzhou City were extracted from TM

ETM

and thematic vector data from 1990 to 2006.Land use changes during the 16 years were analyzed and ecological environment effects were quantitatively estimated.Results showed that great changes in the city happened from 1990 to 2006.The area of woodland was increased significantly

most of which was transferred from grassland and cultivated land.The next was city traffic land

transferred from cultivated land

woodland

and unused land.The most significant reduction in land use was grassland which was transferred to cultivated land

woodland

and city traffic land.The total ecological service value of Lanzhou City rose from 43 594.95 million yuan in 1990 to 44 084.16 million yuan in 2006.These indicate that the environment of the city is developing toward a healthy status.

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