Effects of Landuse Change on Ecosystem Service Value in Suburban Countryside of Yan'an City

XU Zhong-chun; XIE Yong-sheng; WANG Heng-jun

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Effects of Landuse Change on Ecosystem Service Value in Suburban Countryside of Yan'an City

- Effects of Landuse Change on Ecosystem Service Value in Suburban Countryside of Yan'an City
- Bulletin of Soiland Water Conservation Vol. 28, Issue 3, Pages: 50-55(2009)
- 作者机构：
  
  1. 中国科学院地理科学与资源研究所,北京,100101
  2. 中国科学院水利部水土保持研究所陕西杨凌,712100
  3. 中国科学院研究生院,北京,100091
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2009
- 稿件说明：
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XU Zhong-chun, XIE Yong-sheng, WANG Heng-jun. Effects of Landuse Change on Ecosystem Service Value in Suburban Countryside of Yan'an City[J]. Bulletin of Soiland Water Conservation, 2009, 28(3): 50-55.
DOI：

XU Zhong-chun, XIE Yong-sheng, WANG Heng-jun. Effects of Landuse Change on Ecosystem Service Value in Suburban Countryside of Yan'an City[J]. Bulletin of Soiland Water Conservation, 2009, 28(3): 50-55. DOI：

摘要

以典型黄土丘陵沟壑区——延安市赵庄村为例，在分析2000—2006年间的土地利用变化的基础上，依据谢高地等人生态服务价值系数对土地利用系统的生态系统服务价值进行了估算，并对其进行了敏感性分析。结果表明，6 a间，研究区土地利用变化主要表现为耕地减少和撂荒地等未利用土地增加。总生态服务价值减少了32.92万元，变化率为1.86%。未利用土地、居住及建设用地、林地、灌草地的生态服务价值增加；耕地、果园、水域的生态服务价值减少。这8种服务功能类型呈减少趋势，只有娱乐文化类型在增加。敏感性指数均小于1，所采用价值系数缺乏弹性，估算价值可靠，系数适合当地情况。根据研究区生态系统服务价值变化特点，应进行针对性的土地利用结构调整。

Abstract

Taking Zhaozhuang Village of Yan’an Cty in the typical loess hilly and gully area as a study area the landuse change from 2000 to 2006 was analyzed.According to coefficients of ecosystem service value (ESV) by Xie Gaodi et al.

the ESV of landuse system was estimated and the coefficient of sensitivity way also analyzed.Results indicated that landuse of the study area changed to some extent during the past 6 year and decreased farmland and increased unused land were the main types.The total ESV decreased by 329 200 and its change rate was 1.86%.The ESV s of unused land residential-co nstructed land

forest land and shrubby grassland increased

while the ESV s of farmland

orchar

and water area decreased.Eight types of ecosystem service functions were decreased

while recreation and culture increased.The analysis of the coefficient of sensitivity indicates that the coefficient of ESV adopted is inelasticity

the result is reliable and the ESV coefficients are suitable.Landuse structure should be pertinently adjusted according to changing characteristics of ESV.

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