基于MSPA模型和生态保护重要性评价的市域生态空间网络构建及优化

王崑; 马春旭; 郑伊含; 田鑫; 洪丽; 刘丹

doi:10.13961/j.cnki.stbctb.2023.04.027

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基于MSPA模型和生态保护重要性评价的市域生态空间网络构建及优化

试验研究

- 基于MSPA模型和生态保护重要性评价的市域生态空间网络构建及优化
- Consturction and Optimination of Urban Ecological Space Network Based on MSPA Model and Ecological Protection Importance Evaluation
- 水土保持通报 2023年43卷第4期页码：220-228
- 作者机构：
  
  1. 东北农业大学园艺园林学院,黑龙江,哈尔滨,150000
  2. 哈尔滨工业大学城市规划设计研究院有限公司,黑龙江,哈尔滨,150000
  3. 东北农业大学艺术学院,黑龙江,哈尔滨,150000
- 作者简介：
- 基金信息：
  
  黑龙江省自然科学基金项目“基于GIS的石墨矿山生态恢复与矿区空间景观优化研究”(LH2023C012)
- DOI：10.13961/j.cnki.stbctb.2023.04.027
  中图分类号： X117.4
- 纸质出版：2023
- 稿件说明：
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王崑, 马春旭, 郑伊含, 等. 基于MSPA模型和生态保护重要性评价的市域生态空间网络构建及优化[J]. 水土保持通报, 2023,43(4):220-228.

Wang Kun, Ma Chunxu, Zheng Yihan, et al. Consturction and Optimination of Urban Ecological Space Network Based on MSPA Model and Ecological Protection Importance Evaluation[J]. Bulletin of Soiland Water Conservation, 2023, 43(4): 220-228.
王崑, 马春旭, 郑伊含, 等. 基于MSPA模型和生态保护重要性评价的市域生态空间网络构建及优化[J]. 水土保持通报, 2023,43(4):220-228. DOI： 10.13961/j.cnki.stbctb.2023.04.027.

Wang Kun, Ma Chunxu, Zheng Yihan, et al. Consturction and Optimination of Urban Ecological Space Network Based on MSPA Model and Ecological Protection Importance Evaluation[J]. Bulletin of Soiland Water Conservation, 2023, 43(4): 220-228. DOI： 10.13961/j.cnki.stbctb.2023.04.027.

摘要

[目的] 探索基于形态学空间格局分析(MSPA)和生态保护重要性评价的市域生态网络构建方法，为市域生态网络规划与建设提供科学参考。[方法] 以黑龙江省牡丹江市为例，采用MSPA分析结果拓扑叠加研究区生态保护重要性评价，综合得出生态源地；利用最小阻力模型提取研究区潜在生态廊道并结合重力模型进行重要度划分；从源地补充、廊道补充、增补踏脚石三方面进行生态网络结构优化。[结果] ①根据MSPA分析结果，牡丹江市核心区域面积在景观类型中比例最高，为87.41%，其中林地为主要景观类型。②牡丹江市域内有主要生态源地10处，次要生态源地6处。③牡丹江市域内潜在重要生态廊道16条，一般生态廊道104条。④优化前生态网络闭合度(α指数)为0.53，优化后为0.66；网络连接数(γ指数)优化前为0.69，优化后为0.77，线点率(β指数)优化前为2.0，优化后为2.26。[结论] 综合MSPA分析法和生态保护重要性评价法的生态网络构建方法运用，有助于生态网络的结构性和功能性提升。

Abstract

[Objective] The construction method for an urban ecological network based on morphological spatial pattern analysis (MSPA) and ecological protection importance evaluation were studied in order to provide a scientific reference for the planning and construction of urban ecological network. [Methods] The importance of ecological protection at Mudanjiang City

Heilongjiang Province was evaluated using the topological superposition of MSPA analysis results

and the birth source area was comprehensively obtained. We used the minimum resistance model to extract potential ecological corridors in the study area

and combined them with gravity models for importance classification. We optimized the ecological network structure from three aspects: source supplement

corridor supplement

and stepping stone supplement. [Results] ① The MSPA analysis results showed that the core area of Mudanjiang City had the highest proportion of landscape types (accounting for 87.41%) and that forest land was the main landscape type. ② There were 10 main ecological sources and six secondary ecological sources at Mudanjiang City. ③ There were 16 potential important ecological corridors and 104 general ecological corridors at Mudanjiang City. ④ Ecological network closure (α index) before optimization was 0.53

and 0.66 after optimization. Number of network connections (γ index) was 0.69 before optimization

and 0.77 after optimization. Line point rate (β index) was 2.0 before optimization

and 2.26 after optimization. [Conclusion] The application of the comprehensive MSPA analysis method and the ecological protection importance evaluation method in ecological network construction can help improve the structure and functionality of the ecological network.

关键词

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