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Tidal wetland resilience to sea level rise increases their carbon sequestration capacity in United States

Author

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  • Faming Wang

    (South China Botanical Garden, Chinese Academy of Sciences
    Chinese Academy of Sciences
    Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou)
    East China Normal University)

  • Xiaoliang Lu

    (Northwest A&F University)

  • Christian J. Sanders

    (East China Normal University
    Southern Cross University)

  • Jianwu Tang

    (East China Normal University
    Marine Biological Laboratory)

Abstract

Coastal wetlands are large reservoirs of soil carbon (C). However, the annual C accumulation rates contributing to the C storage in these systems have yet to be spatially estimated on a large scale. We synthesized C accumulation rate (CAR) in tidal wetlands of the conterminous United States (US), upscaled the CAR to national scale, and predicted trends based on climate change scenarios. Here, we show that the mean CAR is 161.8 ± 6 g Cm−2 yr−1, and the conterminous US tidal wetlands sequestrate 4.2–5.0 Tg C yr−1. Relative sea level rise (RSLR) largely regulates the CAR. The tidal wetland CAR is projected to increase in this century and continue their C sequestration capacity in all climate change scenarios, suggesting a strong resilience to sea level rise. These results serve as a baseline assessment of C accumulation in tidal wetlands of US, and indicate a significant C sink throughout this century.

Suggested Citation

  • Faming Wang & Xiaoliang Lu & Christian J. Sanders & Jianwu Tang, 2019. "Tidal wetland resilience to sea level rise increases their carbon sequestration capacity in United States," Nature Communications, Nature, vol. 10(1), pages 1-11, December.
    • Handle: RePEc:nat:natcom:v:10:y:2019:i:1:d:10.1038_s41467-019-13294-z
    DOI: 10.1038/s41467-019-13294-z
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    Cited by:

    1. Kendall Valentine & Ellen R. Herbert & David C. Walters & Yaping Chen & Alexander J. Smith & Matthew L. Kirwan, 2023. "Climate-driven tradeoffs between landscape connectivity and the maintenance of the coastal carbon sink," Nature Communications, Nature, vol. 14(1), pages 1-11, December.
    2. Mary Bryan Barksdale & Christopher J. Hein & Matthew L. Kirwan, 2023. "Shoreface erosion counters blue carbon accumulation in transgressive barrier-island systems," Nature Communications, Nature, vol. 14(1), pages 1-6, December.

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