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Type
ArticleAuthors
Gu, JialiLuo, Min
Zhang, Xiujuan

Christakos, George
Agusti, Susana

Duarte, Carlos M.

Wu, Jiaping
KAUST Department
Biological and Environmental Sciences and Engineering (BESE) DivisionMarine Science Program
Red Sea Research Center (RSRC)
Date
2018-09-18Online Publication Date
2018-09-18Print Publication Date
2018-12Permanent link to this record
http://hdl.handle.net/10754/628759
Metadata
Show full item recordAbstract
Coastal salt marsh, one of the blue carbon ecosystems that can adapt and mitigate climate change influence, is drawing global attention due to its high carbon sequestration capability. In China, however, coastal salt marsh has suffered great losses. Nation-wide analysis of salt marsh trends and management is critical to ecosystem protection and restoration. Thus, by analyzing previous coastal salt marsh studies, we found that the extent of coastal salt marsh varied greatly among the Liao River Delta, the Yellow River Delta, the middle coast of Jiangsu Province, Chongming Dongtan and Jiuduansha in Shanghai, with a 59% overall loss of salt marsh extent from the 1980s to the 2010s. The rate of salt marsh loss slowed down after the year 2000. Coastal land-claim (reclamation) is the most dominant driver of salt marsh loss. Climate change and coastal erosion, invasive species, and vegetation dynamics driven by competition and succession have also led to various effects on salt marsh extent and the ecological services they provide. Sea level rise, reclamation pressure and environmental pollution are the main factors, as negative drivers, together with conservation and restoration policies, as positive ones, affecting future trends in salt marshes. China has implemented several measures to protect and restore salt marshes, such as setting up protected areas, drawing marine ecological redline, and making strict regulations on reclamation. However, stronger legal protection for wetlands, more effective enforcement, and participation by local communities can further enhance salt marsh restoration, conservation and management.Citation
Gu J, Luo M, Zhang X, Christakos G, Agusti S, et al. (2018) Losses of salt marsh in China: Trends, threats and management. Estuarine, Coastal and Shelf Science 214: 98–109. Available: http://dx.doi.org/10.1016/j.ecss.2018.09.015.Sponsors
This research was funded by Policy and Implementation on Blue Carbon Program, State Oceanic Administration of China [grant #529105-T21702], and the Joint Center for Marine Environment and Ecosystems [grant #2016C04004]. We are very grateful to Prof. & ECSS Editor Elliott, Prof. Kerstin Wasson from Elkhorn Slough Reserve, California and two anonymous reviewers for their constructive comments/suggestions, which substantially improve this work.Publisher
Elsevier BVAdditional Links
http://www.sciencedirect.com/science/article/pii/S0272771418302208ae974a485f413a2113503eed53cd6c53
10.1016/j.ecss.2018.09.015