| STUDIES ON THE PLANKTON AND SEDIMENT DIATOMS IN XUANWU LAKE , NANJING, CHINA |
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| 作者姓名： | 王如平 Dickman |
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| 作者单位： | Yangzhou Education College，Yangzhou，225001，Biol. Sci. Dept.，Brock Univ.，Ontario，Canada Received Jan. 11，1990 M.D |
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| 摘 要： | The sediment diatom data based on a 16cm long sediment core removed from near the center of the lake indicated that nutrient pollution tolerant diatoms have replaced pollution intolerant taxa which were common near the base of the core (about 35 years before present ). These observations support the hypothesis that there is progressive eutrophication in Xuanwu Lake . This conclusion is corroborated by direct comparisons of the present day phytoplankton and zooplankton species composition within the lake and published accounts of its species composition during the mid 1970s.
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