Historical retrospection on mangrove development using stable carbon isotopes and pollen analysis,and its response to climate change and human activity

Xia Peng; Meng Xianwei; Feng Aiping; Li Zhen

doi:10.3969/j.issn.0253-4193.2015.03.008

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Xia Peng, Meng Xianwei, Feng Aiping, Li Zhen. Historical retrospection on mangrove development using stable carbon isotopes and pollen analysis,and its response to climate change and human activity[J]. Haiyang Xuebao, 2015, 37(3): 77-85. doi: 10.3969/j.issn.0253-4193.2015.03.008

Citation:

Xia Peng, Meng Xianwei, Feng Aiping, Li Zhen. Historical retrospection on mangrove development using stable carbon isotopes and pollen analysis,and its response to climate change and human activity[J]. Haiyang Xuebao, 2015, 37(3): 77-85. doi: 10.3969/j.issn.0253-4193.2015.03.008

Citation:

Xia Peng, Meng Xianwei, Feng Aiping, Li Zhen. Historical retrospection on mangrove development using stable carbon isotopes and pollen analysis,and its response to climate change and human activity[J]. Haiyang Xuebao, 2015, 37(3): 77-85. doi: 10.3969/j.issn.0253-4193.2015.03.008

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Historical retrospection on mangrove development using stable carbon isotopes and pollen analysis,and its response to climate change and human activity

doi: 10.3969/j.issn.0253-4193.2015.03.008

1.
First Institute of Oceanography, State Oceanic Administration, Qingdao 266061, China;
2.
State Key Laboratory of Estuarine and Coastal Research, East China Normal University, Shanghai 200062, China

Received Date: 2014-02-26

Abstract

Abstract

Mangrove evolution is the long time-scale process under the condition of climate change and human activity,and is clearly recorded by the surrounding sediments. It is a new palaeoecological approach to trace mangrove evolution using organic carbon isotopes and mangrove pollen from sedimentary records. In the study,a sediment core was collected from a mangrove swamp of the Qinzhou Bay,Guangxi. Based on the three end-number model,δ¹³C and C/N analysis were used to calculate the contribution of mangrove-derived organic carbon. Compared with mangrove pollen assemblage and ²¹⁰Pb dating,it revealed the temporal evolution of mangrove development and its community succession in the recent 150 years. The mangrove evolution could be divided into three major stages: flourish (1864-1918 A.D.),degradation (1918-1968 A.D.) and low-level period (1968-2007 A.D.),which was consistent with the previous reports. An significantly degradation in mangrove ecosystem recently corresponded to the increase of reclamation area (especially for the shrimp-pond reclamation) and artificial seawalls,rather than the climate change as recorded in the region.
- mangrove,
- carbon,
- isotope,
- pollen,
- climate change

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References(38)

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