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Rebound in China’s coastal wetlands following conservation and restoration

Author

Listed:
  • Xinxin Wang

    (Fudan University
    University of Oklahoma)

  • Xiangming Xiao

    (University of Oklahoma)

  • Xiao Xu

    (Fudan University)

  • Zhenhua Zou

    (University of Maryland)

  • Bangqian Chen

    (Rubber Research Institute, Chinese Academy of Tropical Agricultural Sciences)

  • Yuanwei Qin

    (University of Oklahoma)

  • Xi Zhang

    (Fudan University)

  • Jinwei Dong

    (Key Laboratory of Land Surface Pattern and Simulation, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences)

  • Diyou Liu

    (China Agricultural University)

  • Lianghao Pan

    (Fudan University
    Guangxi Key Lab of Mangrove Conservation and Utilization, Guangxi Mangrove Research Center, Guangxi Academy of Sciences)

  • Bo Li

    (Fudan University
    Guangxi Key Lab of Mangrove Conservation and Utilization, Guangxi Mangrove Research Center, Guangxi Academy of Sciences)

Abstract

The coastal zone of China has experienced large increases in population, economy and urbanization since the early 1980s. Many studies have reported the loss, degradation and fragmentation of coastal wetlands in China at local to regional scales. To date, at the national scale, our knowledge of the spatial distribution, inter-annual variation and multi-decadal trends of coastal wetlands in China remains very limited. Here we analysed ~62,000 Landsat-5, -7 and -8 images over the period 1984–2018 and generated maps of coastal wetlands for individual years in China at 30-m spatial resolution. We found that coastal wetland area significantly decreased between 1984 and 2011. We also found a substantial increase in saltmarsh area and a stable trend of tidal flat area since 2012, driven by reduced anthropogenic activities and increased conservation and restoration efforts. These coastal wetland maps for the period 1984–2018 are invaluable for improvement of coastal wetland management and sustainability in China.

Suggested Citation

  • Xinxin Wang & Xiangming Xiao & Xiao Xu & Zhenhua Zou & Bangqian Chen & Yuanwei Qin & Xi Zhang & Jinwei Dong & Diyou Liu & Lianghao Pan & Bo Li, 2021. "Rebound in China’s coastal wetlands following conservation and restoration," Nature Sustainability, Nature, vol. 4(12), pages 1076-1083, December.
    • Handle: RePEc:nat:natsus:v:4:y:2021:i:12:d:10.1038_s41893-021-00793-5
    DOI: 10.1038/s41893-021-00793-5
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    Cited by:

    1. Yanhui Chen & Guosheng Li & Linlin Cui & Lijuan Li & Lei He & Peipei Ma, 2022. "The Effects of Tidal Flat Reclamation on the Stability of the Coastal Area in the Jiangsu Province, China, from the Perspective of Landscape Structure," Land, MDPI, vol. 11(3), pages 1-20, March.
    2. Caiyao Xu & Xiaohan Wang & Lijie Pu & Fanbin Kong & Bowei Li, 2022. "Assessing Coastal Reclamation Success in the East China Coast by Using Plant Species Composition," Sustainability, MDPI, vol. 14(9), pages 1-18, April.

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