Mangrove degradation and response to anthropogenic disturbance in the Maowei Sea (SW China) since 1926 AD: Mangrove-derived OM and pollen

doi:10.1016/j.orggeochem.2016.06.001

	Mangrove degradation and response to anthropogenic disturbance in the Maowei Sea (SW China) since 1926 AD: Mangrove-derived OM and pollen
	Meng, Xianwei 1,2; Xia, Peng 1; Li, Zhen 3; Meng, Dezhen 1
刊名	ORGANIC GEOCHEMISTRY
	2016-08
卷号	98 页码:166-175
关键词	Mangrove degradation Mangrove-derived organic matter Mangrove pollen Anthropogenic disturbance Maowei Sea
ISSN号	0146-6380
DOI	10.1016/j.orggeochem.2016.06.001
英文摘要	Mangrove forests, located at the interface between land and sea, have been impacted by an increase in intensive anthropogenic disturbance in developing countries or regions. In order to study the impact of human activity on mangrove forests, mangrove development was reconstructed over the last 130 yr, using the contribution of mangrove-derived organic matter (OM) and mangrove pollen as proxies, from two sediment cores from the Maowei Sea (SW China). It is a semi-enclosed bay that receives a large amount of terrestrial material from the Qinjiang and Maoling rivers, with average sedimentation rate of 0.63-0.64 cm/yr. The material accumulates mainly in the coast and its adjacent region, owing to weak water exchange through the channel. Sediment samples had C:N and delta C-13(org) values intermediate between mangrove leaves and flood plain sediments, indicating that OM sources could be apportioned as a mixture from only these two sources. Based on k-mean cluster analysis, mangrove development was divided into three stages since 1880 AD: (i) a flourishing period (1880-1926 AD), (ii) a phase of slow degradation (1926-1980 AD) and (iii) a time of rapid degradation (1980 AD to the present). The study indicates that anthropogenic activity, including reclamation of mangrove swamps for farmland and shrimp ponds, is the primary reason for mangrove degradation since 1926 AD, rather than climate change (temperature and precipitation). Crown Copyright (C) 2016 Published by Elsevier Ltd. All rights reserved.
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] ; National Natural Science Foundation of China[41576067]
WOS关键词	NITROGEN STABLE-ISOTOPE ; ORGANIC-MATTER SOURCES ; RIVER ESTUARY ; SURFACE SEDIMENTS ; ENVIRONMENTAL-CHANGE ; YINGLUO BAY ; CARBON ; HOLOCENE ; GULF ; RECONSTRUCTION
WOS研究方向	Geochemistry & Geophysics
语种	英语
出版者	PERGAMON-ELSEVIER SCIENCE LTD
WOS记录号	WOS:000379782300014
内容类型	期刊论文
源URL	[http://ir.fio.com.cn:8080/handle/2SI8HI0U/26889]
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.Univ Victoria, Sch Earth & Ocean Sci, Victoria, BC V8W 2Y2, Canada
推荐引用方式 GB/T 7714	Meng, Xianwei,Xia, Peng,Li, Zhen,et al. Mangrove degradation and response to anthropogenic disturbance in the Maowei Sea (SW China) since 1926 AD: Mangrove-derived OM and pollen[J]. ORGANIC GEOCHEMISTRY,2016,98:166-175.
APA	Meng, Xianwei,Xia, Peng,Li, Zhen,&Meng, Dezhen.(2016).Mangrove degradation and response to anthropogenic disturbance in the Maowei Sea (SW China) since 1926 AD: Mangrove-derived OM and pollen.ORGANIC GEOCHEMISTRY,98,166-175.
MLA	Meng, Xianwei,et al."Mangrove degradation and response to anthropogenic disturbance in the Maowei Sea (SW China) since 1926 AD: Mangrove-derived OM and pollen".ORGANIC GEOCHEMISTRY 98(2016):166-175.