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天津地区团泊洼水库和七里海沼泽水质研究
Authors
刘双爽[1,2]
吴金甲[2]
+3 more
姚敏[2]
张清慧[2,4]
陈诗越[3]
Publication date
15 April 2014
Publisher
Abstract
基于主成分分析法,对天津地区团泊洼水库和七里海沼泽水质进行分析与评价。结果表明,两块湿地水质都为IV类,营养水平较高,水质较差。运用硅藻指标组合变化对水体营养状态的指示作用,分析团泊洼水库水体的富营养状态,结果显示,团泊洼水库水体中的硅藻主要是Cyclotella distinguenda(占39.51%)和Synedranana(占30.07%);其中,Cyclotella distinguenda适宜生存在盐离子浓度较高的环境中,Synedra nana数量较多说明团泊洼水体的透明度较好;指示富营养化的两个物种Cyclotella atomus和Cyclotella meneghiniana,在团泊洼水库水体中的硅藻分布中共占10.31%,这两个物种的出现说明团泊洼水库的水体开始向富营养化状态转变。</p
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Last time updated on 03/02/2019