Identification of Urban Ecological Corridors and Key Nodes in Dongguan City from Waterfowls-Friendly Perspective

doi:10.13961/j.cnki.stbctb.2023.04.028

Home > Archive>Volume 43, Issue 4, 2023 >229-237. DOI:10.13961/j.cnki.stbctb.2023.04.028

Identification of Urban Ecological Corridors and Key Nodes in Dongguan City from Waterfowls-Friendly Perspective
DOI:
                        10.13961/j.cnki.stbctb.2023.04.028
                    
Author:
                        Cui JianmingCui Jianming
School of Architecture and Urban Planning, Guangzhou University, Guangzhou, Guangdong 510006, China;Cross-innovation Platform of Geospatial Information and Smart Eco-environment, Guangzhou University, Guangzhou, Guangdong 510006, China;National Park Research Center, Guangzhou University, Guangzhou, Guangdong 510006, China
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Xu JinXu Jin
School of Architecture and Urban Planning, Guangzhou University, Guangzhou, Guangdong 510006, China;Cross-innovation Platform of Geospatial Information and Smart Eco-environment, Guangzhou University, Guangzhou, Guangdong 510006, China;National Park Research Center, Guangzhou University, Guangzhou, Guangdong 510006, China
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Liu WeiLiu Wei
School of Architecture and Urban Planning, Guangzhou University, Guangzhou, Guangdong 510006, China;Cross-innovation Platform of Geospatial Information and Smart Eco-environment, Guangzhou University, Guangzhou, Guangdong 510006, China;National Park Research Center, Guangzhou University, Guangzhou, Guangdong 510006, China
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Zha FeiyunZha Feiyun
School of Architecture and Urban Planning, Guangzhou University, Guangzhou, Guangdong 510006, China;Cross-innovation Platform of Geospatial Information and Smart Eco-environment, Guangzhou University, Guangzhou, Guangdong 510006, China;National Park Research Center, Guangzhou University, Guangzhou, Guangdong 510006, China
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Chen JiaweiChen Jiawei
School of Architecture and Urban Planning, Guangzhou University, Guangzhou, Guangdong 510006, China;Cross-innovation Platform of Geospatial Information and Smart Eco-environment, Guangzhou University, Guangzhou, Guangdong 510006, China;National Park Research Center, Guangzhou University, Guangzhou, Guangdong 510006, China
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Clc Number:X171.1
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Abstract:

[Obiective] The spatial distribution pattern of waterfowl ecological corridors in Dongguan City, Guangdong Province were studied in order to provide a realistic basis for its ecological restoration.[Methods] We considered waterfowl as the key species of Dongguan City. The research was carried out by using the minimal cumulative resistance (MCR) model, the centrality principle of habitat and connection, and the circuit theory based on water data and resistance surface composition data of Dongguan City. [Results] A total of 26 ecological corridors with a total length of 259.91 km were constructed in Dongguan City, of which six, fifteen, and five were important, more important and generally important ecological corridors respectively, and the important and general ecological corridors were centrally distributed, while the more important ecological corridors were dispersed. The spatial locations of the key obstacles were characterized as areas with serious anthropogenic disturbances. [Conclusion] In the perspective of spatial layout of ecological corridors, the main purpose is to optimize the urban background conditions and maintain the balance of the entire urban ecological space. In the perspective of corridor connectivity enhancement, it is suggested to give full play to the self-generated ecological function of the corridor as a guide to ensure the continuity of the overall corridor network space. In terms of restoration of obstacles, the intensity of human activities should be reduced to alleviate the obstruction of waterbirds passing through the corridor.

Key words:ecological corridor;ecological obstacle point;key species, minimum cumulative resistance model (MCR);Dongguan City, Guangdong Province

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崔健明,徐瑾,刘玮,查飞云,陈佳炜.水鸟友好视角下的东莞市生态廊道与关键节点识别[J].水土保持通报英文版,2023,43(4):229-237

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Received:November 23,2022
Revised:December 27,2022
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Online: September 27,2023
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