Spatial-temporal Variation of Land Use and Ecosystem Service Value in Xianyang City

ZHANG Jing; CAO Ming-ming

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Spatial-temporal Variation of Land Use and Ecosystem Service Value in Xianyang City

- Spatial-temporal Variation of Land Use and Ecosystem Service Value in Xianyang City
- Bulletin of Soiland Water Conservation Vol. 27, Issue 2, Pages: 184-189(2008)
- 作者机构：
  
  西北大学环境科学系,陕西,西安,710127
- 作者简介：
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- DOI：
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- Published：2008
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ZHANG Jing, CAO Ming-ming. Spatial-temporal Variation of Land Use and Ecosystem Service Value in Xianyang City[J]. Bulletin of Soiland Water Conservation, 2008, 27(2): 184-189.
DOI：

ZHANG Jing, CAO Ming-ming. Spatial-temporal Variation of Land Use and Ecosystem Service Value in Xianyang City[J]. Bulletin of Soiland Water Conservation, 2008, 27(2): 184-189. DOI：

摘要

分析了咸阳市1997—2005年土地利用数量、结构变化的情况

在此基础上运用国内外学者生态价值估算的方法与模式

结合研究区的实际情况对估算方法进行了修正

并对所研究时段内各年度的生态系统服务价值(ESV)以及各种土地类型的生态系统服务价值比例进行了估算。(1)研究期内

研究区耕地减少最多

林地增加最多

其中

泾阳县、武功县、三原县、礼泉县是咸阳市林地变化的热点区域。(2)研究期内

咸阳市的ESV增加了44774.15万元

年增加率为0.72%

其中渭城区、礼泉县、永寿县、彬县、长武县是咸阳市ESV变化的热点区域。(3)研究期内

耕地的ESV所占比例减少最多

林地的ESV所占比例增加最多。渭城区、秦都区、彬县和渭城区分别是咸阳市耕地、园地、林地和水域ESV所占比例变化最大的地区

各区县的牧草地和未利用地的ESV所占比例变化不明显。

Abstract

Changes of land use quantities and structures in Xianyang City during the years from 1997 to 2005 are analyzed.The parameters are revised using the methods and modes of ecological value estimation in view of the actual conditions of the research area.Meanwhile

during the research period

ecosystem service value(ESV) of each year and ratio of ESV for various land use types are estimated.The results during the research period are concluded as follows.Firstly

the area of decreased cultivated land is the most and the area of increased woodland is the most

which are distributed mainly in Jingyang

Wugong

Sanyuan

and Liquan counties.Secondly

the ESV of Xianyang City increases 44 774.15 yuan and the annual increasing ratio is 0.72 percent.Changes of ESV in Xianyang City are concentrated in Weicheng District and Liquan

Yongshou

Binxian

and Changwu counties.Thirdly

the ESV proportion for cultivated land decreases least and the ESV proportion for woodland increases most.The most change of the ESV proportion for cultivated land and water area occurs concentrately in Weicheng District

the most change of the ESV proportion for garden occurs concentrated in Qindu District

and the remarkable change of the ESV proportion for woodland occurs in Binxian County.The ESV proportion of grassland and unutilized land in each district and county does not change obviously.

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