Spatiotemporal evolution of coastal wetland resources in northern Rizhao under the influence of human activities
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Published:2024-03-07
Issue:1
Volume:2
Page:
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ISSN:3004-832X
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Container-title:Marine Development
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language:en
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Short-container-title:Mar Dev
Author:
Li Anlong,Yuan Lin,He Dongxiao,Ji Xiangkun,Shen Gunming,Guo Xijun,Yan Zhichao
Abstract
AbstractCoastal wetlands are a vital resource for the sustainable development of coastal areas. This paper presents a comprehensive monitoring of coastal wetland resources and their evolution in the northern region of Rizhao using multi-period remote sensing data and field investigations. The results show that as of the 2020s, wetland resources in northern Rizhao include subtidal wetlands, artificial wetlands, and intertidal wetlands, accounting for 38.5%, 34.2%, and 26.7% of the total wetland resources, respectively. Over the past 35 years, the evolution of wetlands has been divided into two stages according to the impact of human activities. Before 2000, the wetland area expanded rapidly due to beach aquaculture development. Subsequently, after 2000, the beach wetland area experienced a decline, whereas the landscape wetland area increased. The reason for the change in the wetland area in the later stage was the artificial change in wetland type and beach erosion. By 2020, coastal erosion gradually became the main factor driving the change in wetlands. Therefore, strategies and measures aimed at promoting natural beach growth should be implemented by regulating coastal engineering activities.
Funder
The nation Key Technologies Research and Development Program of china
Publisher
Springer Science and Business Media LLC
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