[1]陈瑶瑶,罗志军,齐 松,等.基于生态敏感性与生态网络的南昌市生态安全格局构建[J].水土保持研究,2021,28(04):342-349.
　CHEN Yaoyao,LUO Zhijun,QI Song,et al.Ecological Security Pattern Construction of Nanchang City Based on Ecological Sensitivity and Ecological Network[J].Research of Soil and Water Conservation,2021,28(04):342-349.
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基于生态敏感性与生态网络的南昌市生态安全格局构建

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 28 期数: 2021年04期 页码: 342-349 栏目: 出版日期: 2021-08-10
Title:
Ecological Security Pattern Construction of Nanchang City Based on Ecological Sensitivity and Ecological Network
文章编号:
1005-3409(2021)04-0342-08
作者:
陈瑶瑶1,2, 罗志军1,2, 齐 松1,2, 赵 杰1,2, 袁 媛1,2, 李 芳3
(1.江西农业大学 国土资源与环境学院, 南昌 330045; 2.江西省鄱阳湖流域农业资源与生态重点实验室, 南昌 330045; 3.赣州市城乡规划设计研究院, 江西 赣州 341000)
Author(s):
CHEN Yaoyao1,2, LUO Zhijun1,2, QI Song1,2, ZHAO Jie1,2, YUAN Yuan1,2, LI Fang3
(1.College of Land Resources and Environment, Jiangxi Agricultural University, Nanchang 330045, China; 2.Jiangxi Provincial Key Laboratory of Poyang Lake Basin Agricultural Resources and Ecology, Nanchang 330045, China; 3.Urban Planning Design Institute of Ganzhou, Ganzhou, Jiangxi 341000, China)
关键词:
生态敏感性;  景观连通性;  生态网络;  生态安全格局
Keywords:
ecological sensitivity;  landscape connectivity;  ecological network;  ecological security pattern
分类号:
X171.4
文献标志码:
A
摘要:
为构建科学合理的生态安全格局,以江西省南昌市为例,综合生态敏感性与生态网络展开研究。首先从地形、土壤、水资源、植被与土地利用和政策保护等方面选取因子评价生态敏感性; 然后结合连通性分析和形态学空间格局分析(MSPA)获得生态源地,基于最小路径方法模拟生态廊道并识别出生态节点; 最后综合生态敏感性评价与生态网络构建结果得到了生态安全格局。结果显示:南昌市生态敏感性以极敏感和高敏感为主,占总面积的69.55%; 共识别生态源地12块,主要分布在南昌市南北部地区; 综合阻力值表现为南北低中部高的分布情况; 共识别18条生态廊道,其景观类型主要包括耕地、水体、林地和湿地。这表明南昌市生态条件好,且生态廊道稳定性较高,但区域南北之间的景观连通能力较差,中部地区是生态修复与保护的重点区域。
Abstract:
Rapid urbanization areas are facing many ecological problems. The construction of ecological security pattern can coordinate the contradiction between social economic development and urban ecological security maintenance. In order to construct a scientific and reasonable ecological security pattern, Nanchang City, Jiangxi Province was taken as an example to study the ecological security pattern by integrating ecological sensitivity and ecological network. Firstly, ecological sensitivity was evaluated by selecting factors such as terrain, soil, water resources, vegetation and land use and policy protection. Then, the morphological spatial pattern analysis(MSPA)and landscape connectivity analysis were used to get the ecological sources, and the ecological corridors were simulated, and ecological nodes were identified by using Least-Cost Path Method. Finally, comprehensive ecological sensitivity evaluation results and ecological network construction results figured out the ecological security pattern of Nanchang City. The results showed that: the ecological sensitivity of Nanchang city was mainly extremely sensitive and highly sensitive, accounting for 69.55% of the total area; a total of 12 ecological sources were identified, mainly distributed in the north and south of Nanchang City; the comprehensive resistance value was low in the north and south and high in the middle; a total of 18 ecological corridors were identified, and their landscape types mainly included cultivated land, water body, forest land and wetland. These results show that Nanchang has good ecological conditions and high stability of ecological corridor, but the landscape connectivity between the north and the south is poor, and the central region is the key area of ecological restoration and protection.

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备注/Memo

收稿日期:2020-08-03 修回日期:2020-09-23
资助项目:国家自然科学基金(41961042); 教育部人文社会科学研究规划资助项目(19YJAZH061); 江西省高校人文社科项目(GL18128); 江西省教育厅科技项目(GJJ180193)
第一作者:陈瑶瑶(1996—),女,贵州沿河人,硕士研究生,研究方向为土地利用、GIS运用。E-mail:chenjiayao424@163.com
通信作者:罗志军(1976—),男,江西新余人,教授,博士,主要从事土地管理和3S应用研究。E-mail:luozj10@163.com

更新日期/Last Update: 2021-08-20