ZHANG Yuhang,LI Ling,WANG Xiuli,et al.Ecological Spatial Identification and Pattern Optimization in Henan Province Based on Fuzzy Gamma Model[J].Research of Soil and Water Conservation,2020,27(06):211-217,225.
基于模糊伽马模型的河南省生态空间辨识与格局优化
- Title:
- Ecological Spatial Identification and Pattern Optimization in Henan Province Based on Fuzzy Gamma Model
- 文章编号:
- 1005-3409(2020)06-0211-07
- Keywords:
- land ecology; ecological space; fuzzy Gamma model; importance of ecosystem services; ecosystem sensitivity
- 分类号:
- X171.1
- 文献标志码:
- A
- 摘要:
- 生态空间的辨识与格局优化是保障区域内土地生态安全的有效途径。为明晰研究区内生态空间整体格局,清查研究区整体资源清单,了解土地自然生态系统现状,通过综合生态系统服务重要性评价模型和生态系统敏感性评价模型,以河南省为研究区域,依托ArcGIS 10.5平台,根据研究区生态本底状况选择评价指标,基于模糊逻辑理论利用模糊伽马模型辨识生态空间,并提出了生态空间优化格局方案。研究表明:研究区域生态空间分为生态保护空间、限制约束空间、控制缓冲空间、优化开发空间4种类型,生态保护空间面积为13 668.73 km2,占研究区总面积的8.3%,限制约束空间面积为19 161.78 km2,占研究区总面积的11.63%,控制缓冲空间面积9 434.67 km2,占研究区总面积的5.72%,优化开发空间面积为122 480.73 km2,占研究区总面积的74.34%。根据生态空间辨识结果提出研究区生态空间格局优化方案,将研究区域划定为“三区、两带、3块”,分别为太行山生态红线保护区、大别山生态红线保护区、伏牛山生态红线保护区; 沿黄河生态保护带、沿淮河生态保护带; 豫东平原生态保护块、豫西丘陵生态保护块和豫北丘陵生态保护块。
- Abstract:
- Land ecological security is related to the development of human society. In order to clarify the overall pattern of ecological space in the study area, check the list of overall resources in the study area, and understand the current situation of land natural ecosystem, the identification and pattern optimization of ecological space is an effective way to ensure the ecological security of land in the region. Based on the comprehensive ecosystem service importance evaluation model and ecosystem sensitivity evaluation model, ArcGIS 10.5 platform, selecting evaluation indicators according to the ecological background of the study area, Henan Province was taken as the study area, fuzzy gamma model was used to identify the ecological space based on the fuzzy logic theory, and the scheme of ecological space optimization pattern was put forward. The results show that there are four types of ecological spaces in the study area: ecological protection space, restriction space, control buffer space and optimization development space; the area of ecological protection space is 13 668.73 km2, accounting for 8.3% of the total study area, the area of restriction space is 19 161.78 km2, accounting for 11.63% of the total study area, the area of control buffer space is 9 434.67 km2, accounting for 5.72% of the total study area;, the area of optimized development space is 122 480.73 km2, accounting for 74.34% of the total study area. According to the results of ecological space identification, the optimization scheme of ecological space pattern in the study area is proposed. The study area is divided into three areas, two belts and three blocks, which are Taihang Mountain ecological red line protection area, Dabie Mountain ecological red line protection area, Funiu Mountain ecological red line protection area, Yellow River ecological protection belt, Huaihe River ecological protection belt, east Henan plain ecological protection block, west Henan hills ecological protection block and north Henan hills ecological protection block.
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备注/Memo
收稿日期:2019-12-31 修回日期:2020-01-19
资助项目:河南省科技攻关项目(182102110073); 河南科技智库调研课题(HNKJZK-2020-24C); 河南省哲学社会科学规划项目(2019BJJ040)
第一作者:张驭航(1993—),男,河南登封人,硕士研究生,研究方向为土地评价与整治。E-mail:zhangyuhang993@163.com
通信作者:李玲(1973—),女,河南息县人,教授,博士,主要从事土壤地理、土地复垦研究。E-mail:ndliling@163.com