2024年 03期

摘要(Abstract)：

为了研究平原水库的水质变化及其对藻类生长繁殖、种群结构变化的影响，以山东某平原水库为例，通过对水库不同采样点的水质指标、叶绿素a含量、藻类种群变化及水库营养状态的分析，综合评价水库水质状况，总结影响水库藻类生长的关键因素。结果表明，水库河流汇入区域及水流缓慢区易出现营养盐等污染物滞留、沉降和富集现象，存在总氮超标风险；各采样点均呈现富营养甚至重度富营养状态；河流入口及部分狭小库区水体的综合营养状态指数较大，叶绿素a含量也较高；水体中的浮游藻类主要为绿藻和硅藻，其生长繁殖受总磷影响显著，总磷是防止藻华发生的关键控制因素。

关键词(KeyWords)：水库;藻类生长;叶绿素a;总氮;总磷

基金项目(Foundation): 国家自然科学基金项目(52270005);;日照市重点研发计划项目(2021ZDYF010234);;济南大学科技计划项目(XKY2205)

作者(Author): 刘大伟，刘加召，房亚南，郭亚峰，刘素，徐征和，赵艳侠，许伟颖

DOI: 10.13349/j.cnki.jdxbn.20240401.001

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