Landscape Patterns and Ecosystem Service Values Change in Changshou District of Chongqing City

YI Wu-ying; SU Wei-ci; LI Xiao-kun

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Landscape Patterns and Ecosystem Service Values Change in Changshou District of Chongqing City

- Landscape Patterns and Ecosystem Service Values Change in Changshou District of Chongqing City
- Bulletin of Soiland Water Conservation Vol. 31, Issue 5, Pages: 93-96(2012)
- 作者机构：
  
  1. 重庆师范大学地理与旅游学院,重庆,400047
  2. 贵州省科学院山地资源研究所,贵州,贵阳,550001
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2012
- 稿件说明：
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YI Wu-ying, SU Wei-ci, LI Xiao-kun. Landscape Patterns and Ecosystem Service Values Change in Changshou District of Chongqing City[J]. Bulletin of Soiland Water Conservation, 2012, 31(5): 93-96.
DOI：

YI Wu-ying, SU Wei-ci, LI Xiao-kun. Landscape Patterns and Ecosystem Service Values Change in Changshou District of Chongqing City[J]. Bulletin of Soiland Water Conservation, 2012, 31(5): 93-96. DOI：

摘要

土地利用是自然与人文交互作用的结果

土地利用变化不仅影响景观格局

还对生态系统服务有一定影响。基于RS和GIS技术

以重庆市长寿区为例

在研究土地利用变化的基础上

选取和计算景观指数

分析长寿区景观格局变化; 运用生态服务价值理论

分析了2002-2009年长寿区生态服务价值变化情况。结果表明

该区7a间景观斑块总数有所增多

其中有林地、灌木林、城镇用地、居民用地斑块数目增加; 水田、旱地、未利用地斑块数目减少; 长寿区整体景观多样性和破碎度指数略有增大

说明该区景观多样化、破碎化程度有所提高。 2002-2009年长寿区生态系统总服务价值从1.91×10

元增加到1.97×10

元

净增加6.10×10

元

其中林地对生态服务价值贡献率最大

这反映了长寿区的生态环境有所改善。

Abstract

Land use is a result from the interaction between nature and human. Land use change affects not only landscape pattern change

but also ecosystem service value. By taking Changshou District of Chongqing City as an example

landscape indexes were selected and calculated

and landscape pattern change of the dis-trict was analyzed using RS and GIS technologies. The theory of ecosystem service values was used to ana-lyze the change of ecosystem service values of Changshou District from 2002 to 2009. Results showed that the total patch number for the landscape increased somewhat in seven years

and the patch areas and numbers of forest land

brush

town and residential land increased

while the patch areas and numbers of paddy

dry land and unused land decreased.The landscape diversity and landscape fragmentation index of the district in-creased slightly.Besides

the valuation of the ecosystem service of Changshou District ascended from 191 million yuan to 197million yuan in the past seven years

with a net ascendant value of 61million yuan

in which wood land played a greater role in ecosystem service values.The result showed that the ecological en-vironment had been improved somewhat.

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