372 / 2024-09-15 15:08:32
Climate Change Challenges Coastal Blue Carbon Restoration in China
MaxEnt; Coastal Blue Carbon; Climate Change; Future climate scenario; Suitable habitats
摘要录用
Xiaoxiao Chen / Xiamen University
Zhang Zengkai / Xiamen University
 Coastal blue carbon has become an emerging natural climate solution (NCS) that offers significant potential for mitigating global climate change while providing various ecosystem services. However, blue carbon ecosystems, including mangroves, tidal salt marshes, and seagrass meadows, are susceptible to the impacts of climate change, which in turn affects their potential to mitigate climate change. In this study, we employed the MaxEnt to evaluate the potential suitable areas and carbon sink potential of China’s Coastal blue carbon ecosystem under three climate scenarios for the present and projected conditions in 2050. ­­Our results reveal that China’s coastal blue carbon ecosystems have an estimated carbon sequestration potential of 8.65 * 105 t/a. Specifically the potential annual carbon sequestration of mangroves is 1.457 * 105 t/a, tidal salt marshes is 6.714 * 105 t/a, and seagrass is 4.769 * 104 t/a. By 2050, due to climate change, the annual carbon sequestration potential of China's coastal blue carbon is projected to decrease by 0.733 ~ 2.351 * 105 t/a, representing an 8-27 % reduction from the current levels. Furthermore, the distribution of potential suitable areas for these blue carbon ecosystems is expected to shifted to different degrees, among which the potential suitable areas of mangrove will be transferred to the greatest extent, showing a trend of northward expansion. Future conservation and restoration efforts for blue carbon ecosystems ought to consider the impact of climate change and fully utilize the potential of blue carbon.

 
重要日期
  • 会议日期

    01月14日

    2025

    01月17日

    2025

  • 09月27日 2024

    初稿截稿日期

  • 12月14日 2024

    注册截止日期

主办单位
State Key Laboratory of Marine Environmental Science, Xiamen University
联系方式
移动端
在手机上打开
小程序
打开微信小程序
客服
扫码或点此咨询