Nutrient Removal and Algal Community Variation from Urban River with the Isolated Microalgal Strains <i>Chlorella</i> sp. and <i>Scenedesmus</i> sp. — Oak Academic Publishing
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Nutrient Removal and Algal Community Variation from Urban River with the Isolated Microalgal Strains <i>Chlorella</i> sp. and <i>Scenedesmus</i> sp.
Institute of Tropical Bioscience and Biotechnology, Chinese Academy of Tropical Agricultural Science, Haikou, China
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Institute of Tropical Bioscience and Biotechnology, Chinese Academy of Tropical Agricultural Science, Haikou, China
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School of Science, Hainan Medical College, Haikou, China
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Institute of Tropical Bioscience and Biotechnology, Chinese Academy of Tropical Agricultural Science, Haikou, China
1 Institute of Tropical Bioscience and Biotechnology, Chinese Academy of Tropical Agricultural Science, Haikou, China
2 Institute of Tropical Bioscience and Biotechnology, Chinese Academy of Tropical Agricultural Science, Haikou, China
3 School of Science, Hainan Medical College, Haikou, China
4 Institute of Tropical Bioscience and Biotechnology, Chinese Academy of Tropical Agricultural Science, Haikou, China
The objectives of this study were to determine nutrient removal rates and algal community variation using the isolated microalgal strains <i>Chlorella</i> sp. and <i>Scenedesmus</i> sp. from an urban river water. The concentration of total nitrogen (TN) and total phosphorus (TP) in river water declined after pouring into <i>Chlorella</i> sp. and <i>Scenedesmus</i> sp., it was indicated that the <i>Scenedesmus</i> sp. had respective advantage in removing nitrogen (86% removal rate) and <i>Chlorella</i> sp. in removing phosphorous (95% removal rate). The algae community composition showed extreme sensitivity to change in the joint of the <i>Scenedesmus</i> or <i>Chlorella</i> , respectively, the lower diversity and higher dominance of algae can be observed in <i>Scenedesmus</i> group, there existed an opposite tendency in <i>Chlorella</i> group. The results demonstrated that the high potential of using <i>Chlorella</i> sp. and <i>Scenedesmus</i> sp. for nutrient removal from riverwater.
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