D. Nwankwo, T. I. Owoseni, D. A. Usilo, I. Obinyan, A. Uche
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引用次数: 0
摘要
2000年11月至2001年8月对库拉莫泻湖的水化学和浮游生物动态进行了调查。在整个采样期间，泻湖保持低咸淡度(S°/o 7.8)，溶解氧(DO)和生化需氧量(BOD5)值(21mg -1)表明应激。虽然泻湖的营养水平很高(NO3- N > 1.58 mg -1;重金属含量低(Fe < 1.91 mg -1, Cu < 0.32 mg -1, Pb痕量)。出现古nitzschia, meneghiniana Cyclotella, gonphonema parvulum, Pinnularia pyrum, P. gibba(硅藻)，绿绿绿藻，Lepocinclis texta (euglenoids)，铜绿微囊藻，M. flos-aquae(蓝藻)，Brachionus
The Hydrochemistry and Plankton Dynamics of a Closed Eutrophic Tropical Lagoon
The hydrochemistry and plankton dynamics of the Kuramo lagoon was investigated between November 2000 andAugust 2001. Whereas the lagoon remains low brackish (S°/oo 7.8) all through thesampling period, the dissolved oxygen (DO) and biochemical oxygen demand (BOD5) values ( 21mgl-1) indicated stress. Although nutrient levels at the lagoon were high (NO3- N > 1.58 mgl-1; PO4-P 449.9 mgl-1), heavy metal values were low (Fe < 1.91 mgl-1, Cu < 0.32 mgl-1, Pb Trace). The occurrence ofNitzschia palea, Cyclotella meneghiniana, Gomphonema parvulum, Pinnularia pyrum, P. gibba (diatoms), Euglena viridis,Lepocinclis texta (euglenoids), Microcystis aeruginosa, M. flos-aquae (cyanobacteria), Brachionus
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