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Characterization of Labile Organic Carbon in Different Coastal Wetland Soils of Laizhou Bay, Bohai Sea
Cao, Lei1,2,3; Song, Jinming1,2,3; Wang, Qidong1,2,3; Li, Xuegang1,2,3; Yuan, Huamao1,2,3; Li, Ning1,2,3; Duan, Liqin1,2,3
2017-02-01
Source PublicationWETLANDS
Volume37Issue:1Pages:163-175
SubtypeArticle
AbstractLabile organic carbon (LOC) is the most active fraction of soil organic carbon (SOC) with rapid turnover rates, and has been suggested as sensitive indicator of SOC pool under global change. However, the knowledge of LOC pools in coastal wetland soils and their implication for soil carbon reservoir are still scarce. We characterized LOC in soils from two coastal wetlands using cold water extractable carbon (CWC), hot water extractable carbon (HWC), and acid hydrolysable carbon (AHC). Our results indicated that SOC and its labile fractions are higher in Guangrao than that in Changyi. CWC comprised about 24.09-34.86% of SOC for Guangrao and 1.54-2.43% for Changyi. The HWC content was generally higher than CWC, and HWC in Changyi contributed higher proportion to SOC compared with Guangrao wetland. The AHC represented much higher proportion of SOC about 45.94-50.11% in Guangrao and 60.38-65.08% in Changyi, respectively. CWC, HWC and AHC were significantly correlated with each other in profile CB1. Poor correlation among LOC and SOC was observed in GA1, GA2 and CB2. Differences in vegetation and hydrological condition should be considered for obtaining accurate carbon calculation. Relative high proportion of LOC suggests these wetlands might be particularly vulnerable to a warming environment.
KeywordLoc Cwc Hwc Ahc Variation Coastal Wetland
DOI10.1007/s13157-016-0858-0
Indexed BySCI
Language英语
WOS IDWOS:000394134600015
Citation statistics
Document Type期刊论文
Version出版稿
Identifierhttp://ir.qdio.ac.cn/handle/337002/136380
Collection海洋生态与环境科学重点实验室
海洋环流与波动重点实验室
Affiliation1.Chinese Acad Sci, Inst Oceanol, Key Lab Marine Ecol & Environm Sci, Qingdao 266071, Peoples R China
2.Qingdao Natl Lab Marine Sci & Technol, Funct Lab Marine Ecol & Environm Sci, Qingdao 266237, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
First Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Cao, Lei,Song, Jinming,Wang, Qidong,et al. Characterization of Labile Organic Carbon in Different Coastal Wetland Soils of Laizhou Bay, Bohai Sea[J]. WETLANDS,2017,37(1):163-175.
APA Cao, Lei.,Song, Jinming.,Wang, Qidong.,Li, Xuegang.,Yuan, Huamao.,...&Duan, Liqin.(2017).Characterization of Labile Organic Carbon in Different Coastal Wetland Soils of Laizhou Bay, Bohai Sea.WETLANDS,37(1),163-175.
MLA Cao, Lei,et al."Characterization of Labile Organic Carbon in Different Coastal Wetland Soils of Laizhou Bay, Bohai Sea".WETLANDS 37.1(2017):163-175.
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