Spartina alterniflora invasion benefits blue carbon sequestration in China

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外文摘要：Spartina alterniflora has rapidly and extensively encroached on China's coastline over the past decades.Among the coastal areas invaded by S.alterniflora,at most 93％are mudflats.However,the effect of S.alterniflora invasion on soil organic carbon(SOC)stocks of coastal mudflats has not been systematically studied on a national scale.Here,we quantified the nationwide changes in SOC stocks in coastal mudflats associated with S.alterniflora invasion between 1990 and 2020.We found that S.alterniflora invasion sig-nificantly enhanced SOC stocks in coastal China.Nonetheless,the benefit of S.alterniflora invasion of coastal SOC stock may be weakened by continuing human intervention.We found that S.alterniflora invading mudflats added 2.3 Tg SOC stocks to China's coastal blue carbon,while 1.78 Tg SOC stocks were lost mainly due to human activities,resulted in a net SOC stock gain of 0.52 Tg C.These findings over-turned the traditionally thought that S.alterniflora invasion would reduce ecosystem services by high-lighting that the historical invasion of S.alterniflora has broadly and consistently enhanced blue carbon stock in coastal China.

外文关键词：

Spartina alterniflora invasionMudflatsChina coastal wetlandBlue carbon sequestration

作者：

Jingfan Zhang、Dehua Mao、Jihua Liu、Yaping Chen、Matthew Kirwan、Christian Sanders、Jinge Zhou、Zhe Lu、Guoming Qin、Xingyun Huang、Hui Li、Hengqi Yan、Nianzhi Jiao、Jilan Su、Faming Wang

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作者单位：

Guangdong Key Laboratory of Applied Botany,Xiaoliang Research Station of Tropical Coastal Ecosystems,the CAS Engineering Laboratory for Ecological Restoration of Island and Coastal Ecosystems,South China Botanical Garden,Chinese Academy of Sciences,Guangzhou 510650,China

University of Chinese Academy of Sciences,Beijing 100049,China

South China National Botanical Garden,Chinese Academy of Sciences,Guangzhou 510650,China

Key Laboratory of Wetland Ecology and Environment,Northeast Institute of Geography and Agroecology,Chinese Academy of Sciences,Changchun 130102,China

Marine Research Institute,Shandong University,Qingdao 266237,China

School of Ecology,Shenzhen Campus of Sun Yat-sen University,Shenzhen 518107,China

Virginia Institute of Marine Science,Gloucester Point,VA 23062,USA

National Marine Science Centre,School of Environment,Science and Engineering,Southern Cross University,Coffs Harbour,NSW 2450,Australia

Guangdong Eco-engineering Polytechnic,Guangzhou 510520,China

Carbon Neutral Innovation Research Center and Fujian Key Laboratory of Marine Carbon Sequestration,Xiamen University,Xiamen 361005,China

Second Institute of Oceanography,State Oceanic Administration,Hangzhou 310012,China

Southern Marine Science and Engineering Guangdong Laboratory(Zhuhai),Zhuhai 519082,China

School of Ecology and Environment,Hainan University,Haikou 570

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基金：

CAS Project for Young Scientists in Basic ResearchNational Key R&D Program of ChinaNational Key R&D Program of ChinaNational Key R&D Program of ChinaNational Natural Science Foundation of ChinaNational Natural Science Foundation of ChinaNational Natural Science Foundation of ChinaNational Natural Science Foundation of ChinaGuangdong Basic and Applied Basic Research FoundationCAS Youth Innovation Promotion AssociationNational Forestry and Grassland Administration Youth Talent Support ProgramANSO collaborative researchGuangdong Key Research ProgramSouthern Marine Science and Engineering Guangdong Laboratory(Zhuhai)Guangdong Provincial Key Laboratory of Applied Botany,South China Botanical GardenMOST Ocean Negative Carbon Emissions project

项目编号：

YSBR-0372023YFE01131002023YFF13045002021YFC3100400U21062093217159432301398420072302021B151502001120213472020BJ003ANSO-CR-KP-2022-112022B1111230001SML2023SP2182023B1212060046

出版年：

2024

DOI：

10.1016/j.scib.2024.04.049

科学通报(英文版)

中国科学院

科学通报(英文版)

CSTPCD

ISSN：1001-6538

年,卷(期)：2024.69(12)

参考文献量4