Study on modern coccolithophores in coastal region along the east Hainan Island

Liu Haijiao; Sun Jun; Feng Yuanyuan

doi:10.3969/j.issn.0253-4193.2015.12.004

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Liu Haijiao, Sun Jun, Feng Yuanyuan. Study on modern coccolithophores in coastal region along the east Hainan Island[J]. Haiyang Xuebao, 2015, 37(12): 27-40. doi: 10.3969/j.issn.0253-4193.2015.12.004

Citation:

Liu Haijiao, Sun Jun, Feng Yuanyuan. Study on modern coccolithophores in coastal region along the east Hainan Island[J]. Haiyang Xuebao, 2015, 37(12): 27-40. doi: 10.3969/j.issn.0253-4193.2015.12.004

Liu Haijiao, Sun Jun, Feng Yuanyuan. Study on modern coccolithophores in coastal region along the east Hainan Island[J]. Haiyang Xuebao, 2015, 37(12): 27-40. doi: 10.3969/j.issn.0253-4193.2015.12.004

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Study on modern coccolithophores in coastal region along the east Hainan Island

doi: 10.3969/j.issn.0253-4193.2015.12.004

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

Received Date: 2015-05-18
Rev Recd Date: 2015-10-08

Abstract

Abstract

Multidisciplinary investigations of modern coccolithophores community in the Qiongdong upwelling water of the northern South China Sea(SCS) were performed during the summer cruise of the year 2012. The present study reported the coccolithophores community structure and distribution feature. Total 34 species were identified under polarizing microscope by the filtered membrane samples. The preponderant species were Emiliania huxleyi,Gephyrocapsa oceanica,Umbellosphaera tenuis,Helicosphaera carteri,Coronosphaera mediterranea. Coccolith abundance ranged within 0-2040.23×10³ cells/L,with an average value of 8.10×10³ cells/L; and coccosphere abundance was 0-68.90×10³ cells/L,with an average value of 5.01×10³ cells/L. majority of species distributed in the strongly upwelled water. The central area of Qiongdong had larger H' value than that of east of Leizhou Peninsula. The H' and J value of coccolith exhibited mosaic pattern. The results of cluster and MDS showed that coccolith and coccosphere were classified into four groups and five groups respectively,and ANOSIM test proved it to be significant. The redundancy analysis(RDA)indicated that N/P,PO₄^3-,NO₂^- and SiO₃^2- are the major controlling factors influencing the modern coccolithophore community.
- coccolithophore,
- community structure,
- dominant species,
- Qiongdong upwelling,
- cluster analysis,
- redundancy analysis

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References(33)

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