The distribution and origin of transparent exopolymer particles at the PN section in the East China Sea

Shu Yi; Zhang Guicheng; Sun Jun

doi:10.3969/j.issn.0253-4193.2018.08.011

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Shu Yi, Zhang Guicheng, Sun Jun. The distribution and origin of transparent exopolymer particles at the PN section in the East China Sea[J]. Haiyang Xuebao, 2018, 40(8): 110-119. doi: 10.3969/j.issn.0253-4193.2018.08.011

Citation:

Shu Yi, Zhang Guicheng, Sun Jun. The distribution and origin of transparent exopolymer particles at the PN section in the East China Sea[J]. Haiyang Xuebao, 2018, 40(8): 110-119. doi: 10.3969/j.issn.0253-4193.2018.08.011

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The distribution and origin of transparent exopolymer particles at the PN section in the East China Sea

doi: 10.3969/j.issn.0253-4193.2018.08.011

Tianjin Key Laboratory of Marine Resources and Chemistry, Tianjin University of Science and Technology, Tianjin 300457, China;College of Marine and Environmental Sciences, Tianjin University of Science and Technology, Tianjin 300457, China

Received Date: 2017-12-26
Rev Recd Date: 2018-01-18

Abstract

Abstract

Marine transparent exopolymer particles (TEP) is the core component in marine aggregation web. It is very important for gradient structure of water environment in microscale, which plays an important role in the marine food web and biogeochemical cycle, especially on the carbon sinking processes. This article firstly reports the TEP resources and its seasonal distribution along PN section in the East China Sea. Our results show that the concentration of TEP is between 28 and 376 μg Xeq./L, and the mean value was (115±67) μg Xeq./L in the East China Sea. The seasonal change of TEP is abundant in turn of in summer, winter, autumn and spring, and in surface layer is greater than bottom layer, in near shore is abundant than in open ocean. According to the distribution patterns of TEP, the diatoms and dinoflagellates, it can be concluded that the main sources of TEP in PN section of the East China Sea were mainly come from the diatoms, and in the open ocean, the TEP is major from the picophytoplankton.
- transparent exopolymer particles (TEP),
- phytoplankton,
- the East China Sea,
- PN section

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References(46)

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