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蓝藻水华的拦截和陷阱捕获综合控藻技术研究
Authors
张浪
李印霞
+3 more
李敦海
汪志聪
秦红杰
Publication date
1 January 2012
Publisher
Abstract
基于水文气象条件对巢湖蓝藻水华分布的影响,在西北岸万年埠的迎风岸湖段设置蓝藻水华拦截围隔和蓝藻水华捕获陷阱。通过连续监测,比较围隔内外蓝藻生物量和浮游植物多样性的差异,检测水华陷阱的蓝藻捕获效率,从而对蓝藻水华拦截和陷阱处置综合控藻技术的作用进行评估。结果表明:(1)陷阱设置在西半湖万年埠湖段是科学合理的,监测表明蓝藻水华生物量受风力和水流驱使主要聚集在沿岸带区域;(2)水华拦截围隔对蓝藻水华有很好的拦截效果,在水华暴发期间蓝藻围栏可以拦截50%以上的蓝藻水华和50%以上的Chla浓度,水华拦截区围隔内的生物多样性指数显著高于拦截围栏之外的水域;(3)陷阱对微囊藻水华的聚集捕获效果显著,在适宜气象条件下聚集效率约为2kg/(m2.d)。这些研究结果说明该综合技术有很好的控藻效果,具有良好的应用前景
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Institute of Hydrobiology, Chinese Academy Of Sciences
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Last time updated on 15/03/2018