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Effect of nutrient enrichment on the source and composition of sediment organic carbon in tropical seagrass beds in the South China Sea
Liu, Songlin; Jiang, Zhijian; Zhang, Jingping; Wu, Yunchao; Lian, Zhonglian; Huang, Xiaoping; Huang, XP (reprint author), Chinese Acad Sci, South China Sea Inst Oceanol, Key Lab Trop Marine Bioresources & Ecol, Guangzhou 510301, Guangdong, Peoples R China.
2016
Source PublicationMARINE POLLUTION BULLETIN
Volume110Issue:1Pages:274-280
AbstractTo assess the effect of nutrient enrichment on the source and composition of sediment organic carbon (SOC) beneath Thalassia hemprichii and Enhalus acoroides in tropical seagrass beds, Xincun Bay, South China Sea, intertidal sediment, primary producers, and seawater samples were collected. No significant differences on sediment delta C-13, SOC, and microbial biomass carbon (MBC) were observed between T. hemprichii and E. acoroides. SOC was mainly of autochthonous origin, while the contribution of seagrass to SOC was less than that of suspended particulate organic matter, macroalgae and epiphytes. High nutrient concentrations contributed substantially to SOC of seagrass, macroalgae, and epiphytes. The SOC, MBC, and MBC/SOC ratio in the nearest transect to fish farming were the highest This suggested a more labile composition of SOC and shorter turnover times in higher nutrient regions. Therefore, the research indicates that nutrient enrichment could enhance plant-derived contributions to SOC and microbial use efficiency. (C) 2016 Elsevier Ltd. All rights reserved.
Department[Liu, Songlin; Jiang, Zhijian; Zhang, Jingping; Wu, Yunchao; Lian, Zhonglian; Huang, Xiaoping] Chinese Acad Sci, South China Sea Inst Oceanol, Key Lab Trop Marine Bioresources & Ecol, Guangzhou 510301, Guangdong, Peoples R China; [Liu, Songlin; Wu, Yunchao; Lian, Zhonglian] Univ Chinese Acad Sci, Beijing 100049, Peoples R China; [Lian, Zhonglian] State Ocean Adm, South China Sea Monitoring Ctr, Guangzhou 510300, Guangdong, Peoples R China ; LMB
KeywordSeagrass Bed Sediment Organic Carbon Source Composition Nutrient Microbial Biomass Carbon
Subject AreaEnvironmental Sciences & Ecology ; Marine & Freshwater Biology
Document Type期刊论文
Identifierhttp://ir.scsio.ac.cn/handle/344004/15292
Collection中科院海洋生物资源可持续利用重点实验室
Corresponding AuthorHuang, XP (reprint author), Chinese Acad Sci, South China Sea Inst Oceanol, Key Lab Trop Marine Bioresources & Ecol, Guangzhou 510301, Guangdong, Peoples R China.
Recommended Citation
GB/T 7714
Liu, Songlin,Jiang, Zhijian,Zhang, Jingping,et al. Effect of nutrient enrichment on the source and composition of sediment organic carbon in tropical seagrass beds in the South China Sea[J]. MARINE POLLUTION BULLETIN,2016,110(1):274-280.
APA Liu, Songlin.,Jiang, Zhijian.,Zhang, Jingping.,Wu, Yunchao.,Lian, Zhonglian.,...&Huang, XP .(2016).Effect of nutrient enrichment on the source and composition of sediment organic carbon in tropical seagrass beds in the South China Sea.MARINE POLLUTION BULLETIN,110(1),274-280.
MLA Liu, Songlin,et al."Effect of nutrient enrichment on the source and composition of sediment organic carbon in tropical seagrass beds in the South China Sea".MARINE POLLUTION BULLETIN 110.1(2016):274-280.
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