Mangrove forest degradation indicated by mangrove-derived organic matter in the Qinzhou Bay, Guangxi, China, and its response to the Asian monsoon during the Holocene climatic optimum
Meng Xianwei1,2; Xia Peng1; Li Zhen3; Liu Lejun1
刊名ACTA OCEANOLOGICA SINICA
2016-02
卷号35期号:2页码:95-100
关键词Holocene climatic optimum mangrove-derived organic matter degradation of mangrove forests Asian monsoon Qinzhou Bay
ISSN号0253-505X
DOI10.1007/s13131-015-0778-5
英文摘要The response of mangrove ecosystems to the Asian monsoon in the future global warming can be understood by reconstructing the development of mangrove forests during the Holocene climatic optimum (HCO), using proxies preserved in coastal sediments. The total organic matter in sediments of a segmented core, with calibrated age ranges between 5.6 and 7.7 cal. ka BP and corresponding to the HCO, from the Qinzhou Bay in Guangxi, China, is quantitatively partitioned into three end-members according to their sources: mangrove-derived, terrigenous, and marine phytoplanktonic, using a three-end-member model depicted by organic carbon isotope (delta C-13(org)) and the molar ratio of total organic carbon to total nitrogen (C/N). The percentage of mangrove-derived organic matter (MOM) contribution is used as a proxy for mangrove development. Three visible drops in MOM contribution occurred at ca. 7.3, ca. 6.9, and ca. 6.2 cal. ka BP, respectively, are recognized against a relatively stable and higher MOM contribution level, indicating that three distinct mangrove forest degradations occurred in the Qinzhou Bay during the HCO. The three mangrove forest degradations approximately correspond to the time of the strengthened/weakened Asian winter/summer monsoon. This indicates that even during a period favorable for the mangrove development, such as the HCO, climatic extremes, such as cold and dry events driven by the strengthened/weakened Asian winter/summer monsoon, can trigger the degradation of mangrove forests.
资助项目National Natural Science Foundation of China[41376075] ; National Natural Science Foundation of China[41576061] ; National Natural Science Foundation of China[41206057]
WOS关键词SEA-LEVEL RISE ; GULF-OF-MEXICO ; SURFACE SEDIMENTS ; CARBON ; CORAL ; RECONSTRUCTION ; ISOTOPES ; NITROGEN ; RECORDS ; SHELF
WOS研究方向Oceanography
语种英语
出版者SPRINGER
WOS记录号WOS:000370614700011
内容类型期刊论文
源URL[http://ir.fio.com.cn:8080/handle/2SI8HI0U/26865]  
专题自然资源部第一海洋研究所
通讯作者Xia Peng
作者单位1.State Ocean Adm, Inst Oceanog 1, Qingdao 266061, Peoples R China
2.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Geol & Environm, Qingdao 266061, Peoples R China
3.E China Normal Univ, State Key Lab Estuarine & Coastal Res, Shanghai 200062, Peoples R China
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Meng Xianwei,Xia Peng,Li Zhen,et al. Mangrove forest degradation indicated by mangrove-derived organic matter in the Qinzhou Bay, Guangxi, China, and its response to the Asian monsoon during the Holocene climatic optimum[J]. ACTA OCEANOLOGICA SINICA,2016,35(2):95-100.
APA Meng Xianwei,Xia Peng,Li Zhen,&Liu Lejun.(2016).Mangrove forest degradation indicated by mangrove-derived organic matter in the Qinzhou Bay, Guangxi, China, and its response to the Asian monsoon during the Holocene climatic optimum.ACTA OCEANOLOGICA SINICA,35(2),95-100.
MLA Meng Xianwei,et al."Mangrove forest degradation indicated by mangrove-derived organic matter in the Qinzhou Bay, Guangxi, China, and its response to the Asian monsoon during the Holocene climatic optimum".ACTA OCEANOLOGICA SINICA 35.2(2016):95-100.
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