| 短钝溞（Daphnia obtusa Kurz)在碳酸盐型水体中的移植驯化与培养 |
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| 引用本文： | 黄诚,谷孝鸿,胡文英.短钝溞（Daphnia obtusa Kurz)在碳酸盐型水体中的移植驯化与培养[J].湖泊科学,1999,11(4):346-350. |
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| 作者姓名： | 黄诚 谷孝鸿 胡文英 |
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| 作者单位： | 中国科学院南京地理与湖泊研究所!南京210008 |
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| 基金项目： | 国家自然科学基金!39500027，39600025，国科学院重大项目!KZ951－B1－205－02,KZ951－A1－301 |
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| 摘 要： | 从西太湖梅梁湾分离出野生水华微囊藻，得到水华微囊藻在半固体培养基上的纯藻株。研究太湖水华微囊藻在室内不同氮，磷浓度下的生长特征，发现在氮浓度在１７ｍｇ．Ｌ＾－１，磷逍度为１．７ｍｇ．Ｌ＾－１左右进，微囊藻日增长率最大。比较自然状态和室内培养条件下微囊藻的生长情况，可知野生微囊藻一般能形成较大的群体，室内液体培养基的营养盐浓度远高于野外，却难以得到大群体微微藻，从此实验结果来看，营养盐浓度与微囊藻在
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| 关 键 词： | 太湖 微囊藻 分离 生长特性 纯培养 |
| 收稿时间： | 1998/4/28 0:00:00 |
| 修稿时间： | 1998/12/18 0:00:00 |
Transplantation and Domestication Culture of Daphnia obtusa Kurz in the Carbonate Hard Water |
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| HUANG Cheng,GU Xiaohong and HU Wenying.Transplantation and Domestication Culture of Daphnia obtusa Kurz in the Carbonate Hard Water[J].Journal of Lake Science,1999,11(4):346-350. |
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| Authors: | HUANG Cheng GU Xiaohong and HU Wenying |
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| Institution: | Department of Biology, Nanjing University, Nanjing 210093,Nanjing Institute of Geography Limnology, Chines Academy of Sciences, Nanjing 210008 and Nanjing Institute of Geography Limnology, Chines Academy of Sciences, Nanjing 210008 |
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| Abstract: | This study deals with the growth characters and pure culture of Microcystis from Taihu Lake. It is found that Microcystis flos-aquae can grow in solid medium. The results also show that both phosphorus and nitrogen play an important role during the growth period of Microcystis flos-aquae. The maximum growth rates appear when the PO_(4~3)- concentration reach 1. 7 mg' L~(- 1) and the TDN concentration reached 17 mg' L~(-1). Comparing the indoor culture of Microcystis with the Microcystis in the lake, there is a clear difference in their growth characters. The Microcystis in the lake normally appears as big colony while it appears only single cell or small colony with ten cells in indoor culture. |
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| Keywords: | Taihu Lake Microcystis pure culture growth character |
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