Construction of Ecological Corridor in Etuoke Banner of Inner Mongolia Based on MCR Model

Jing Yanbin; Sun Xu; Liu Jun; Sun Dongjie

doi:10.13961/j.cnki.stbctb.2021.02.023

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Construction of Ecological Corridor in Etuoke Banner of Inner Mongolia Based on MCR Model

- Construction of Ecological Corridor in Etuoke Banner of Inner Mongolia Based on MCR Model
- Bulletin of Soiland Water Conservation Vol. 41, Issue 2, Pages: 170-177(2021)
- 作者机构：
  
  内蒙古农业大学沙漠治理学院,呼和浩特,010010
- 作者简介：
- 基金信息：
- DOI：10.13961/j.cnki.stbctb.2021.02.023
  CLC： X826
- Published：2021
- 稿件说明：
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Jing Yanbin, Sun Xu, Liu Jun, et al. Construction of Ecological Corridor in Etuoke Banner of Inner Mongolia Based on MCR Model[J]. Bulletin of Soiland Water Conservation, 2021, 41(2): 170-177.
DOI：

Jing Yanbin, Sun Xu, Liu Jun, et al. Construction of Ecological Corridor in Etuoke Banner of Inner Mongolia Based on MCR Model[J]. Bulletin of Soiland Water Conservation, 2021, 41(2): 170-177. DOI： 10.13961/j.cnki.stbctb.2021.02.023.

摘要

[目的] 构建内蒙古鄂托克旗的生态廊道，提升生态系统质量和稳定性，提供生物迁徙的路径，促进不同栖息地之间的物种交流，为鄂托克旗生态廊道建设工程的科学实施和保护生物多样性提供理论依据。[方法] 以鄂托克旗作为研究区，利用生态敏感性评价和生态系统服务价值分析的综合结果确定生态源地，采用最小累积阻力模型（MCR）和最小成本路径的方法，对生态廊道进行构建研究。[结果] ①鄂托克旗生态敏感性程度较强，极度、高度敏感区面积占全旗41.31%，主要分布于西北部蒙西镇和棋盘井镇交界区；②生态系统服务价值总体状况较差，绝大部分地区处于中低值区，低、中值区面积占全旗95.37%；③构建了鄂托克旗生态廊道体系，生态廊道与生态源地大致构成了一个环形闭合区域，重要廊道总长721 km，一般廊道总长803 km。[结论] 整体来看，鄂托克旗生态源地分散于东西两侧，布隆嘎查和察汗淖尔嘎查源地起到了沟通东西物质能量交流的桥梁作用，为保证研究区整体连通性，加强这些源地的保护显得特别重要。

Abstract

[Objective] The ecological corridor in Etuoke Banner

Inner Mongolia was constructed to improve the quality and stability of the ecosystem

and provide the path of biological migration

promote species exchange between different habitats

so as to provide a scientific basis for the implementation of ecological corridor construction project and the protection of biodiversity in Etuoke Banner.[Methods] Taking Etuoke Banner as the research area

the ecological source was determined by using the comprehensive results of ecological sensitivity evaluation and ecosystem service value analysis

and the minimum cumulative resistance model (MCR) and minimum cost path were used to construct the ecological corridor.[Results] ① The extreme and high sensitive ecological area of Etuoke Banner

mainly distributed in the border area of Mengxi Town and Qipanjing Town in the northwest

accounted for 41.31% of whole banner. ② The overall status of ecosystem service value was in poor condition

most of the areas were in the middle and low value areas

accounted for 95.37% of whole banner. ③ The ecological corridor system was constructed

and the ecological corridor and ecological source area roughly formed a ring in the closed area

among them the total length of important corridors was 721 km

and that of general corridors was 803 km.[Conclusion] On the whole

the ecological source areas of Etuoke Banner are mainly scattered on both sides of the east and west. Bulong Gacha and Chahannoer Gacha play a bridge role in the exchange of material and energy between the east and the west. In order to ensure the overall connectivity of the study area

it is particularly important to strengthen the protection of these sources.

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