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太平湖水库藻类及适度产鱼潜力探讨
Authors
况琪军
Publication date
1 January 1995
Publisher
Abstract
太平湖水库藻类的群落结构仍以绿藻为主,硅藻和蓝藻次之,其他藻类所占比例较小。在敞水区,藻类的生长丰度显示从上游至下游逐渐递减的趋势,且明显低于库湾区。藻细胞密度和生物量均在夏季出现高峰,冬季最低。和8年前的结果相比,藻类多样性下降,总种类数减少了36%,细胞数量大幅度上升,小型种类密度增加。提出了一种藻类适度产鱼潜力的新概念和依据藻类现存生物量计算藻类适度产鱼潜力的方法。计算表明,全库藻类每年的适度产鱼潜力约为454万kg
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Institute of Hydrobiology, Chinese Academy Of Sciences
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oai:ir.ihb.ac.cn:152342/4860
Last time updated on 15/03/2018