| 引用本文: | 邓平,马建敏,吴晓辉,高云霓,成水平,贺锋,吴振斌.武汉月湖水生植被重建过程中浮游植物的动态变化.湖泊科学,2007,19(5):552-557. DOI:10.18307/2007.0509 |
| DENG Ping,MA Jianmin,WU Xiaohui,GAO Yunni,CHENG Shuiping,HE Feng,WU Zhenbin.Dynamics of phytoplankton in the process of the aquatic macrophyte rehabilitation in Lake Yuehu, Wuhan. J. Lake Sci.2007,19(5):552-557. DOI:10.18307/2007.0509 |
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| 武汉月湖水生植被重建过程中浮游植物的动态变化 |
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邓平1,2, 马建敏1,3, 吴晓辉1, 高云霓1,2, 成水平1, 贺锋1, 吴振斌1
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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, 武汉 430072;2.中国科学院研究生院, 北京 100049;3.河南师范大学, 新乡 453002
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| 摘要: |
| 2004年12月-2005年5月武汉市月湖水生植被重建过程中, 对浮游植物进行逐月调查。结果表明, 在营养盐浓度较高的条件下, 浮游植物仍保持较低的生物量和密度, 浮游植物的生长与温度保持一定的相关性, 但与湖水营养盐浓度并不存在相关关系。菹草和伊乐藻能使水体的透明度保持较高的状态。浮游植物主要由隐藻和硅藻组成, 能形成水华的一些常见种类并未随温度升高而出现, 可能与这两种沉水植物的存在改变了浮游植物的群落结构有关。因此, 在水温较低的冬季和春季进行水生植被重建是富营养化湖泊治理的有效途径。 |
| 关键词: 水生植被 重建 武汉月湖 浮游植物 |
| DOI：10.18307/2007.0509 |
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| 基金项目:国家杰出青年基金项目(39925007);中国科学院知识创新工程重要方向项目(KSCX2-SW-102);国家“十五”重大科技专项(2002AA601021)联合资助 |
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| Dynamics of phytoplankton in the process of the aquatic macrophyte rehabilitation in Lake Yuehu, Wuhan |
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DENG Ping1,2, MA Jianmin1,3, WU Xiaohui1, GAO Yunni1,2, CHENG Shuiping1, HE Feng1, WU Zhenbin1
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1.State Key Lab. of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, CAS, Wuhan 430072, P. R. China;2.Graduate School, Chinese Academy of Sciences, Beijing 100049, P. R. China;3.College of Life Sciences, Henan Normal University, Xinxiang 453002, P. R. China
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| Abstract: |
| From December, 2004 to May, 2005 phytoplankton was investigated monthly in the process of the aquatic vegetation rehabilitation in Lake Yuehu, Wuhan. The result indicated that, under the condition of high nutrition concentrations, phytoplankton was still maintained at low biomass and density; phytoplankton growth was positively correlated with the temperature, but not with nutrient concentrations. Potamogeion cripus and Elodea canadensis made water body maintain higher transparency. Phytoplankton was mainly composed of cryptophyta and diatom. The typical species of water bloom didnt appear with the increase of temperature. The phytoplankton community structure was possibly changed by existence of these two submerged macrophytes. Therefore, rehabilitation of aquatic vegetation was the effective way to control the eutrophication of the lake in winter and spring of lower temperature. |
| Key words: Aquatic macrophytes rehabilitation Lake Yuehu(Wuhan) phytoplankton |
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