Evaluation of Ecological Service Value of East-West Combined Area Based on Changes of Ecosystem Pattern—A Case Study in Pearl River-Xijiang River Economic Zone

Xiao Hongke; Wang Li; Li Hongzhong; Chen Jinsong; Han Yu

doi:10.13961/j.cnki.stbctb.2019.06.037

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Evaluation of Ecological Service Value of East-West Combined Area Based on Changes of Ecosystem Pattern—A Case Study in Pearl River-Xijiang River Economic Zone

- Evaluation of Ecological Service Value of East-West Combined Area Based on Changes of Ecosystem Pattern—A Case Study in Pearl River-Xijiang River Economic Zone
- Bulletin of Soiland Water Conservation Vol. 39, Issue 6, Pages: 252-259(2019)
- 作者机构：
  
  1. 河南理工大学测绘与国土信息工程学院,河南,焦作,454000
  2. 中国科学院深圳先进技术研究院空间信息研究中心,广东,深圳,518055
- 作者简介：
- 基金信息：
- DOI：10.13961/j.cnki.stbctb.2019.06.037
  CLC：
- Published：2019
- 稿件说明：
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Xiao Hongke, Wang Li, Li Hongzhong, et al. Evaluation of Ecological Service Value of East-West Combined Area Based on Changes of Ecosystem Pattern—A Case Study in Pearl River-Xijiang River Economic Zone[J]. Bulletin of Soiland Water Conservation, 2019, 39(6): 252-259.
DOI：

Xiao Hongke, Wang Li, Li Hongzhong, et al. Evaluation of Ecological Service Value of East-West Combined Area Based on Changes of Ecosystem Pattern—A Case Study in Pearl River-Xijiang River Economic Zone[J]. Bulletin of Soiland Water Conservation, 2019, 39(6): 252-259. DOI： 10.13961/j.cnki.stbctb.2019.06.037.

摘要

[目的] 以珠江—西江经济带为例，分析典型东西部结合区生态系统格局变化特征以及对其生态系统服务价值进行评价，为积极构建区域生态安全格局和开展生态补偿研究提供科学依据。[方法] 基于珠江—西江经济带2000—2015年生态系统类型数据，采用生态系统类型年均变化率、生态系统类型转移矩阵研究其生态系统格局变化特点；参考生态系统服务价值估算方法，对研究区近15 a来的生态服务价值进行评价与分析。[结果] ①2000—2015年珠江—西江经济带以森林和农田生态系统为主，生态系统空间分布格局较稳定，变化的部分主要体现在东部人工表面生态系统的扩张上。②近15 a间农田和草地生态系统面积下降最多，湿地下降较少，其余生态系统类型面积均有不同程度地增加。生态系统类型转换主要发生在森林、农田和人工表面生态系统三者之间。③2000—2015年珠江—西江经济带生态服务价值减少了14.55亿元，其中草地生态系统服务价值下降最多，森林生态系统服务价值增加最多。④珠江—西江经济带各县区生态服务价值空间分布格局稳定，但东部地区单位面积生态服务价值有持续下降的趋势。[结论] 2000—2015年珠江—西江经济带东部生态系统格局变化对其生态服务价值下降产生了较大影响。今后在生态建设方面需重点合理控制东部人工表面生态系统面积的扩张速度，预防其生态服务价值持续下降。

Abstract

[Objective] Taking the Pearl River-Xijiang River economic zone as an example

this paper analyzed the change of ecosystem pattern and evaluated its ecosystem service value in the typical east-west junction area

in order to provide a scientific basis for the construction of the regional ecological security pattern and ecological compensation research.[Methods] Based on the data of ecosystem types in the Pearl River-Xijiang River economic zone from 2000 to 2015

the change characteristics of ecosystem pattern were studied by using the annual average change rate and the transfer matrix of ecosystem types. The ecosystem service value in the research area was evaluated and analyzed in the past 15 years.[Results] ① During 2000-2015

the Pearl River-Xijiang River economic zone was dominated by forest and farmland ecosystems

and the spatial distribution pattern of ecosystems was relatively stable. The changes were mainly the expansion of the eastern artificial surface ecosystem. ② The area of farmland and grassland ecosystems decreased the most

while the wetland decreased least

and the area of the other ecosystem types increased in varying degrees. The conversion of ecosystem types mainly occurred between forest

farmland and artificial surface ecosystems. ③ From 2000 to 2015

the ecosystem service value in the Pearl River-Xijiang River Economic Zone decreased by 1.455 billion RMB

of which the value of grassland ecosystem service declined the most

while the value of forest ecosystem service increased the most. ④ The spatial distribution pattern of ecosystem service value in the counties and the districts of the Pearl River-Xijiang River economic zone was stable

but the ecosystem service value of per unit area in the eastern region showed a continuous decline trend.[Conclusion] The changes in the ecosystem pattern in the eastern part of the Pearl River-Xijiang River economic zone from 2000 to 2015 had a great impact on the decline of its ecosystem service value. In the future

it is necessary to control the expansion rate of the area of the artificial surface ecosystem in the east

to prevent the continuous decline of ecological service value.

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