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Analyzing Coastal Wetland Degradation and its Key Restoration Technologies in the Coastal Area of Jiangsu, China

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Abstract

Coastal wetland degradation severely affects ecological balance and economic and social sustainability. Ecological restoration of degraded wetlands is crucial in research on wetland degradation. A common problem with previous studies is that they use the same tactics and technologies over the whole study area, taking little account of the spatial heterogeneity of wetland degradation. This study focuses on the spatial heterogeneity of wetland degradation, and proposes the goals and technologies for wetland restoration by examining the main issues and causes of the degradation of coastal wetlands in Jiangsu, China. Habitat loss and absolute loss are the dominant forms of degradation in Jiangsu, followed by the existence of invasive species and gradual loss. Land reclamation and invasive species are the primary causes of the degradation of coastal wetlands. Appropriate technologies and engineering approaches are also proposed for the ecological restoration and reconstruction of degraded coastal wetlands against these degradation characteristics. They include the promotion of siltation in native wetlands, vegetation recovery, functional recovery of constructed wetlands, and prevention of invasive species.

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Notes

  1. Retrogressive succession is a process in which the plant community becomes simplistic and contains fewer species and less biomass over time.

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Acknowledgments

This work was supported by the National Key Technology Research and Development Program of the Ministry of Science and Technology of China under grant number 2012BAC21B01, the Ministry of land and resources of public welfare scientific research under grant number 201511057 and Scientific and Technological Research Program of Chongqing Municipal Education Commission 2016 (Grant No. KJ1600539). Many thanks go to “Data Sharing Network of Earth System Science (http://www.geodata.cn)” for reference data.

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Correspondence to Guosheng Li.

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Cui, L., Li, G., Ouyang, N. et al. Analyzing Coastal Wetland Degradation and its Key Restoration Technologies in the Coastal Area of Jiangsu, China. Wetlands 38, 525–537 (2018). https://doi.org/10.1007/s13157-018-0997-6

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  • DOI: https://doi.org/10.1007/s13157-018-0997-6

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