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重金属复合污染场地对花背蟾蜍雄性性腺的毒性作用
Authors
刘菊梅
司万童
+7 more
喻秋
彭琴
昝晓慧
曹优明
王志勇
陈辉霞
黄涛
Publication date
1 January 2020
Publisher
Abstract
以花背蟾蜍为研究对象,以包头市某尾矿库南侧受污染的水域湿地和相对无污染的小白河黄河湿地保护区为研究样地。对比分析雄性花背蟾蜍形态学指标、精巢脏器系数、精子动态参数、精子畸形率、性激素、红细胞微核率和DNA损伤等相关指标,研究重金属复合污染场地对花背蟾蜍雄性性腺的毒性效应。结果显示:与小白河湿地相比,尾矿库湿地花背蟾蜍条件因子和精巢脏器系数显著高于小白河湿地(P<0.01)。尾矿库花背蟾蜍精子的鞭打频率显著升高,而精子活力显著降低(P<0.05),精子畸形率、红细胞微核率和DNA损伤均显著高于小白河湿地(P<0.05)。结果表明:尾矿库复合污染通过降低精子质量,增加红细胞微核率和DNA损伤对花背蟾蜍的雄性性腺造成毒理学影响,花背蟾蜍通过升高条件因子和精巢脏器系数来缓解复合污染的毒性胁迫。该成果对重金属复合污染场地两栖类动物种群保护以及生态平衡维护有着积极作用
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Institutional Repository of Institute of Process Engineering, CAS (IPE-IR)
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oai:ir.ipe.ac.cn:122111/47576
Last time updated on 11/04/2021
Institutional Repository of Institute of Process Engineering, CAS (IPE-IR)
See this paper in CORE
Go to the repository landing page
Download from data provider
oai:ir.ipe.ac.cn:122111/47578
Last time updated on 11/04/2021