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微囊藻毒素对澳洲水泡螺的毒性效应
Authors
刘永定
张榜军
李效宇
Publication date
1 January 2005
Publisher
Abstract
用梯度浓度的微囊藻毒素(6.7 μg / L、26.7 μg / L 、66.7 μg / L 、166.7μg / L 、333.8 μg / L、1 335.2 μg / L)和人工培养的有毒铜绿微囊藻(Microcystis aeruginosa 7806)对澳洲水泡螺 (Bulinus australinanus) 分别进行急性和亚慢性毒性暴露,观察对螺的毒性效应.急性毒性实验结果表明,澳洲水泡螺对微囊藻毒素有很强的耐受力,试验期间(5 d)未发现螺中毒死亡情况,甚至当微囊藻毒素高达1 335.2 μg / L时,仍无死亡.亚慢性口服毒性实验结果发现,澳洲水泡螺可以取食微囊藻,但不能消化;微囊藻严重影响螺生长、繁殖等生理活动,微囊藻的长期喂食暴露会使螺因饥饿或染病而死亡
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Institute of Hydrobiology, Chinese Academy Of Sciences
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Last time updated on 23/01/2021