[ Objective ] The research aimed to analyze the eutrophication and blue algae bloom problems in Hongfeng Lake Reservoir. [ Method] Based on the investigation and research of indoor and outdoor, the water quality, aquatic ecosystem, characteristic of sediment pollution and occurrence law of blue algae bloom in Hongfeng Lake Reservoir were comprehensively analyzed by combining with the relevant literatures.[ Result] Hongfeng Lake was in moderate-heavy eutrophic situation, and the water quality was class V-bad V. The sediment accumulated a lot of nutrient salt which was the important pollution source of eutrophication in Hongfeng Lake Reservoir. The aquatic ecosystem degraded, and it was easy to form the blue algae bloom. [ Conclusion ] The pollution treatment of Hongfeng Lake was imminent.%[目的]分析红枫湖水库的富营养化和蓝藻水华问题.[方法]通过室内外调查研究,并结合相关文献资料,对红枫湖水质、水生生态系统、底泥污染特征以及蓝藻水华发生规律进行全面分析.[结果]红枫湖全湖处于中富营养到重富营养状态,水质为V～劣V类;湖泊底质蓄积了大量的营养盐,是水库富营养化的重大污染源;水生生态系统退化,易形成蓝藻水华.[结论]红枫湖的污染治理迫在眉睫.
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