Construction of Ecological Security Pattern Based on the Importance of Ecological Protection-A Case Study of Guangxi, a Karst Region in China

被引：32

作者：

Yang, Yanping ^{[1
]}

Chen, Jianjun ^{[1
,2
]}

Huang, Renjie ^{[1
]}

Feng, Zihao ^{[1
]}

Zhou, Guoqing ^{[1
,2
]}

You, Haotian ^{[1
,2
]}

Han, Xiaowen ^{[1
,2
]}

机构：

[1] Guilin Univ Technol, Coll Geomat & Geoinformat, Guilin 541004, Peoples R China

[2] Guilin Univ Technol, Guangxi Key Lab Spatial Informat & Geomat, Guilin 541004, Peoples R China

来源：

INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH | 2022年 / 19卷 / 09期

基金：

中国国家自然科学基金;

关键词：

ecosystem service function importance assessment; ecological sensitivity assessment; circuit theory; ecological corridor; ecological security pattern; ECOSYSTEM SERVICES; LANDSCAPE CONNECTIVITY; CIRCUIT-THEORY; BIODIVERSITY; HABITAT; NETWORK; WATER; ESTABLISHMENT; MANAGEMENT; DYNAMICS;

D O I：

10.3390/ijerph19095699

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The ecological security pattern is an important way to coordinate the contradiction between regional economic development and ecological protection and is conducive to promoting regional sustainable development. This study examines Guangxi, a karst region in China. The ecosystem service function and ecological environment sensitivity were both selected to evaluate the ecological conservation importance, and based on the results of the ecological conservation importance evaluation, suitable patches were selected as ecological sources. Meanwhile, resistance factors were selected from both natural factors and human activities to construct a comprehensive resistance surface, circuit theory was used to identify ecological corridors, ecological pinch points, and ecological barrier points, and ecological protection suggestions were then proposed. The results show that there are 50 patches of ecological sources in Guangxi, with a total area of 60,556.99 km(2); 115 ecological corridors, with the longest corridor reaching 194.97 km; 301 ecological pinch points, whose spatial distribution is fragmented; and 286 ecological barrier points, most of which are concentrated in the central part of Guangxi. The results of this study provide a reference for the construction of ecological security patterns and ecological conservation in developing countries and karst areas.

引用

页数：22

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