| 闽江口沉积硅藻分布特征及其沉积意义 |
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| 引用本文： | 沈林南,高爱国,李超,陈敏.闽江口沉积硅藻分布特征及其沉积意义[J].海洋学报(英文版),2017,36(10):20-30. |
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| 作者姓名： | 沈林南 高爱国 李超 陈敏 |
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| 作者单位： | 厦门大学海洋与地球学院;国家海洋局第三海洋研究所,厦门大学海洋与地球学院,厦门大学海洋与地球学院,国家海洋局第三海洋研究所 |
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| 摘 要： | The distribution of diatoms in surface sediments in the Minjiang Estuary, southeast China, was investigated in2009. Total 56 species and other species belonging to 25 genera were identified, among them 11 species were dominant over 5%. Dominant species included Actinocyclus ehrenbergii, Coscinodiscus curvatulus, C. divisus, C.jonesianus, C. radiatus, C. rothii, C. subtilis, Cyclotella stylorum, Epithemia hyndmanii, Hydrosera whampoensis,and Trachyneis aspera. Diatom abundance varied spatially, with the absolute abundance of diatoms ranging from13 valves/g to 11×104 valves/g, and averaging 2.5×104 valves/g. A canonical correspondence analysis(CCA) was used to explain the relationships between diatom distribution and sediment properties in the Minjiang Estuary.CCA revealed that the major elements(Fe_2O_3, Na_2O, CaO, MgO, TiO_2, SiO_2, Al_2O_3, and K_2O) were closely related to diatom abundance. Four diatom assemblages were distinguished, representing different sediment properties,which may assist late Quaternary palaeoceanographic reconstructions of the Minjiang Estuary.
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| 关 键 词： | 硅藻 表层沉积物 闽江口 CCA 沉积物性质 |
| 收稿时间： | 2016/6/28 0:00:00 |
Diatom distribution and its relationship to sediment property in the Minjiang Estuary, southeast China |
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| SHEN Linnan,GAO Aiguo,LI Chao and CHEN Min.Diatom distribution and its relationship to sediment property in the Minjiang Estuary, southeast China[J].Acta Oceanologica Sinica,2017,36(10):20-30. |
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| Authors: | SHEN Linnan GAO Aiguo LI Chao and CHEN Min |
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| Institution: | 1.College of Ocean and Earth Sciences, Xiamen University, Xiamen 361102, China;Geology Laboratory of Marine and Coastal, Third Institute of Oceanography, State Oceanic Administration, Xiamen 361005, China2.College of Ocean and Earth Sciences, Xiamen University, Xiamen 361102, China3.Geology Laboratory of Marine and Coastal, Third Institute of Oceanography, State Oceanic Administration, Xiamen 361005, China |
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| Abstract: | The distribution of diatoms in surface sediments in the Minjiang Estuary, southeast China, was investigated in 2009. Total 56 species and other species belonging to 25 genera were identified, among them 11 species were dominant over 5%. Dominant species included Actinocyclus ehrenbergii, Coscinodiscus curvatulus, C. divisus, C. jonesianus, C. radiatus, C. rothii, C. subtilis, Cyclotella stylorum, Epithemia hyndmanii, Hydrosera whampoensis, and Trachyneis aspera. Diatom abundance varied spatially, with the absolute abundance of diatoms ranging from 13 valves/g to 11×104 valves/g, and averaging 2.5×104 valves/g. A canonical correspondence analysis (CCA) was used to explain the relationships between diatom distribution and sediment properties in the Minjiang Estuary. CCA revealed that the major elements (Fe2O3, Na2O, CaO, MgO, TiO2, SiO2, Al2O3, and K2O) were closely related to diatom abundance. Four diatom assemblages were distinguished, representing different sediment properties, which may assist late Quaternary palaeoceanographic reconstructions of the Minjiang Estuary. |
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| Keywords: | diatom surface sediment Minjiang Estuary canonical correspondence analysis sediment properties |
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