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Keywords = Xiangshan Bay basin

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22 pages, 5508 KB  
Article
Coastal Wetlands Play an Important Role in the Ecological Security Pattern of the Coastal Zone
by Qingchuan Yang, Congying He, Yuankai Xu, Yunqi Ye, Hong Guo, Shu Zhang, Fan Li and Kui Liu
Land 2022, 11(12), 2317; https://doi.org/10.3390/land11122317 - 16 Dec 2022
Cited by 9 | Viewed by 3966
Abstract
The construction of an ecological security pattern can effectively overcome the contradiction between regional human exploitation and ecological protection in the coastal zone. Taking the Xiangshan Bay (XSB) basin as an example, this study identified ecological source areas from three aspects, namely ecosystem [...] Read more.
The construction of an ecological security pattern can effectively overcome the contradiction between regional human exploitation and ecological protection in the coastal zone. Taking the Xiangshan Bay (XSB) basin as an example, this study identified ecological source areas from three aspects, namely ecosystem services’ importance, ecological sensitivity, and landscape connectivity, and then constructed ecological resistance surfaces, identified ecological corridors, and constructed an ecological security pattern. The results show that the natural reserves in the XSB basin were all located in the identified primary ecological source areas, thus indicating the feasibility and reliability of the “importance–connectivity–sensitivity” ecological source identification mechanism in this study. The ecological corridor in the coastal wetland area accounts for about 40% of the total corridor length, which is the link connecting other ecological sources, revealing the important role of coastal wetlands in the coastal ecosystem. Through the ecological security pattern of the XSB basin and field investigation, we put forward suggestions such as clearing Spartina alterniflora, restoring salt marsh wetland vegetation, and strengthening follow-up monitoring for the restoration of coastal wetlands. This study is expected to provide reference and guidance for the improvement of coastal zone ecological protection and restoration. Full article
(This article belongs to the Special Issue Regional Sustainable Development of Yangtze River Delta, China)
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