| 武汉月湖近代沉积物中的硅藻组合与环境关系研究 |
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| 引用本文： | 胡胜华,叶艳婷,贺锋,周巧红,高云霓,吴振斌.武汉月湖近代沉积物中的硅藻组合与环境关系研究[J].生态环境,2011,20(3):490-498. |
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| 作者姓名： | 胡胜华 叶艳婷 贺锋 周巧红 高云霓 吴振斌 |
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| 作者单位： | 1. 中国科学院水生生物研究所∥淡水生态与生物技术国家重点实验室,湖北,武汉,430072
2. 中国科学院水生生物研究所∥淡水生态与生物技术国家重点实验室,湖北,武汉,430072;中国科学院研究生院,北京,10049 |
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| 基金项目： | 国家自然科学基金项目，国家"十一五"水专项(2009ZX07106-，湖北省科技攻关重大项目，武汉市科技攻关项目 |
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| 摘 要： | 采集武汉月湖2处近代沉积物,分析了沉积硅藻组合与其环境关系,共发现24属83种硅藻。结果表明：2个柱状沉积物中硅藻优势属为小环藻属、直链藻属、舟形藻属、Cyclostephanos属。Z-1钻孔共有20属61种硅藻,Z-2钻孔共有24属68种硅藻。Z-1钻孔优势种为梅尼小环藻（Cyclotella meneghiniana）、颗粒直链藻（Aulacoseira granulata）、Navicula porifera、Cyclostephanos tholifomis。Z-2钻孔优势种为梅尼小环藻、颗粒直链藻、舟形藻（Navicula sp.）、Cyclostephanos invisitatus。就硅藻密度分布而言,总趋势上层最多,平均7.14×10^5～58.65×10^5 ind.g-1,中层其次,平均0.08×10^5～13.98×10^5 ind.g-1,下层最少,平均0.24×10^5～0.64×10^5 ind.g-1。硅藻种数最少的样品出现在沉积物中层,梅尼小环藻、颗粒直链藻、舟形藻、Navicula porifera、Cyclostephanos tholifomis、Cyclostephanos invisitatus的组合可以指示湖泊水体环境出现富营养化。通过探讨分析影响硅藻分布的环境因素,为恢复月湖近代水环境演化过程提供了依据。
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| 关 键 词： | 武汉月湖 硅藻 营养演化 湖泊沉积物 |
Relationship between diatom assemblage in modern sediments and the environment of Yuehu Lake in Wuhan |
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| HU Shenghua,YE Yanting,HE Feng,ZHOU Qiaohong,GAO Yunni,WU Zhenbin.Relationship between diatom assemblage in modern sediments and the environment of Yuehu Lake in Wuhan[J].Ecology and Environmnet,2011,20(3):490-498. |
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| Authors: | HU Shenghua YE Yanting HE Feng ZHOU Qiaohong GAO Yunni WU Zhenbin |
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| Affiliation: | HU Shenghua1,YE Yanting1,2,HE Feng1,ZHOU Qiaohong1,GAO Yunni1,WU Zhenbin1 1.State Key Lab of Fresh Water Ecology and Biotechnology//Institute of Hydrobiology,The Chinese Academy of Sciences,Wuhan 430072,China,2.Graduate University of Chinese Academy of Sciences,Beijing 100039 |
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| Abstract: | The diatom assemblages in 2 bored sediment cores in the Yuehu Lake were studied systematically and 83 species and varieties of diatom were found.The sedimental diatom of Z-1 bored had 61 species,and Z-2 had 68 species.The dominant species of Z-1 bored sediment cores were Cyclotella meneghiniana,Aulacoseira granulata,Navicula porifera and Cyclostephanos tholifomis,the dominant species of Z-2 bored sediment cores were Cyclotella meneghiniana,Aulacoseira granulata,Navicula sp.and Cyclostephanos invisitatus.The... |
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| Keywords: | Yuehu Lake in Wuhan diatom nutrition evolvement lake sediments |
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