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Dimethylsulfide and dimethylsulfoniopropionate production along coastal waters of the northern South China Sea
Shen, Ping-Ping; Tang, Ya-Nan; Liu, Hua-Jian; Li, Gang; Wang, Yan; Qi, Yu-Zao; Shen, PP (reprint author), Chinese Acad Sci, South China Sea Inst Oceanol, Key Lab Trop Marine Bioresources & Ecol, Guangzhou 510301, Guangdong, Peoples R China.
2016
Source PublicationCONTINENTAL SHELF RESEARCH
Volume117Pages:118-125
AbstractThe gross biological dimethylsulfoniopropionate (DMSP) and dimethylsulfide (DMS) production in surface and bottom waters along the coasts of the northern South China Sea (SCS) were investigated during summer of July-August 2000. In surface water, the averaged concentrations of particulate DMSP (DMSPp) and DMS were 42.60 +/- 31.94 nM and 2.12 +/- 138 nM, respectively. In bottom water, the mean DMSPp and DMS contents were 26.37 +/- 20.83 nM and 2.09 +/- 1.55, respectively. Both DMSPp and DMS contents significantly varied spatially (P < 0.05, n=40), but not vertically (P> 0.05, n=40). The highest DMSPp concentration (100.62 nM) was recorded on the surface of Shenzhen waters, whereas the lowest (4.33 nM) was on the surface of Zhanjiang waters. DMS fluctuated correspondingly; the highest (6.79 nM) and lowest (0.83 nM) values occurred on the surface of Shenzhen water and bottom water of Nan'ao Island (Shantou), respectively. Correlation analysis further revealed that DMS/DMSPp production was not closely related with salinity and chlorophyll a content (P> 0.05, n=40). However, the bottom DMS increased with increasing temperature when it is lower than 28.2 degrees C (r(2)=0.52, P < 0.01, n=13), whereas it decreased as the temperature further increased (r(2)=0.86, P < 0.01, n=8). Moreover, in surface waters, light intensity showed a significant positive effect on DMSPp production (r2=0.37, P < 0.01, n=20), with elevated DMSP concentration under high irradiance. Overall, the sea-to-air fluxes of DMS across the coastal area of the northern SCS in summer were within the range of 0.24-15.07 mu mol m(-2) d(-1), with a mean flux of 2.12 +/- 3.20 smol m(-2) d(-1). (C) 2016 Elsevier Ltd. All rights reserved.
Department[Shen, Ping-Ping; Tang, Ya-Nan; Liu, Hua-Jian; Li, Gang] Chinese Acad Sci, South China Sea Inst Oceanol, Key Lab Trop Marine Bioresources & Ecol, Guangzhou 510301, Guangdong, Peoples R China; [Tang, Ya-Nan; Liu, Hua-Jian] Univ Chinese Acad Sci, Beijing 100049, Peoples R China; [Wang, Yan; Qi, Yu-Zao] Jinan Univ, Res Ctr Red Tide & Marine Biol, Guangzhou 510632, Guangdong, Peoples R China ; LMB
KeywordDimethylsulfide Dimethylsulfoniopropionate Phytoplankton Coastal Waters South China Sea
Subject AreaOceanography
Document Type期刊论文
Identifierhttp://ir.scsio.ac.cn/handle/344004/15470
Collection中科院海洋生物资源可持续利用重点实验室
Corresponding AuthorShen, PP (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		 Shen, Ping-Ping,Tang, Ya-Nan,Liu, Hua-Jian,et al. Dimethylsulfide and dimethylsulfoniopropionate production along coastal waters of the northern South China Sea[J]. CONTINENTAL SHELF RESEARCH,2016,117:118-125.
APA Shen, Ping-Ping.,Tang, Ya-Nan.,Liu, Hua-Jian.,Li, Gang.,Wang, Yan.,...&Shen, PP .(2016).Dimethylsulfide and dimethylsulfoniopropionate production along coastal waters of the northern South China Sea.CONTINENTAL SHELF RESEARCH,117,118-125.
MLA Shen, Ping-Ping,et al."Dimethylsulfide and dimethylsulfoniopropionate production along coastal waters of the northern South China Sea".CONTINENTAL SHELF RESEARCH 117(2016):118-125.
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