Journal of Marine Sciences ›› 2023, Vol. 41 ›› Issue (1): 3-13.DOI: 10.3969-j.issn.1001-909X.2023.01.001

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Interactions between vegetation and sediment carbon pools within coastal blue carbon ecosystems: A review and perspective

CHEN Yining1,2(), CHEN Luzhen3,4,*()   

  1. 1. Second Institute of Oceanography, MNR, Hangzhou 310012, China
    2. Key Laboratory of Ocean Space Resource Management Technology, MNR, Hangzhou 310012, China
    3. Key Laboratory of the Ministry of Education for Coastal and Wetland Ecosystems, College of Enviroment and Ecology, Xiamen University, Xiamen 361102, China
    4. State Key Laboratory of Marine Enviromental Science, Xiamen University, Xiamen 361102, China
  • Received:2022-10-30 Revised:2023-01-25 Online:2023-03-15 Published:2023-04-28

Abstract:

Mangroves, coastal salt marshes and seagrass beds, as the typical coastal blue carbon ecosystems, have been widely recognized for their remarkable capacity in carbon storage. Vegetation carbon pool and sediment (or soil) carbon pool were considered to be the major carbon pools within the coastal blue ecosystems and their variations determined the overall carbon sequestration of the ecosystems. From a perspective of carbon pool interactions, this study summarized the previous research work based on literature review, including the interactions within various vegetation carbon pools and within various sediment carbon pools, as well as the interactions between vegetation and sediment carbon pools. Interspecific competition, allochthonous carbon input and biogeomorphology were found to be the key to understand the carbon pool interactions. Finally, a perspective on the current state-of-the-art of blue carbon pool study is offered, with challenges and suggestions for future directions.

Key words: coastal wetland, blue carbon, vegetation, sediment, carbon pool, interaction

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