A composite bio-remediation technology including oxidation pond and biological restore technology in river course was employed in the treatment of polluted Guliao River of Guangzhou.Monitoring of water quality and zooplankton was conducted to compare population composition and indicator species of zooplankton at four restoration stages of the river:original water, oxidation pond, upstream and downstream areas of the restored river.The results showed that CODCr, BOD5, nitrogen and phosphorus in the river water were removed gradually during the remediation process, and the diaphaneity was increased greatly, indicating that water quality was improved significantly.After the bioremediation of polluted urban river water, the zooplankton community structure changed significantly.The biodiversity and evenness were raised greatly, and the species and population of zooplankton increased considerably, especially for rotifer.In the restored river water, the predominant species of rotifer changed from Brachionus capsuliflorus to Brachionus angularis and Brachionus rubens, and the predominant species of cladocerans was Moina micrura. Naupii was dominant in quantity in the copepod zooplankton.Indicator zooplankton suitable for remediation of polluted urban river water included:Brachionus capsuliflorus, Brachionus angularis, Brachionus rubens, Keratella cochlearis, Pedalia mira, Collotheca sp., Naupii and Moina micrura.
谢丹平, 李开明, 刘爱萍, 江栋. 重污染河道治理中的浮游动物群落结构变化研究[J]. , 2009, 28(5): 398-403.
XIE Dan-ping, LI Kai-ming, LIU Ai-ping, JIANG Dong. The study on variation of zooplankton community structure in bio-remediation of polluted urban river. , 2009, 28(5): 398-403.
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