陈香,朱丽岩,王超,董辉辉,沈阳,卜亚谦

• 1:中国海洋大学海洋生命学院

摘要(Abstract)：

为研究不同温度下四溴双酚A(TBBPA)对桡足类的影响,以日本虎斑猛水蚤(Tigriopus japonicus)为受试生物,探究了温度影响下TBBPA对日本虎斑猛水蚤摄食、滤水、产粪的影响以及在其体内的富集情况。结果显示,毒性暴露24h后,摄食率和滤水率随TBBPA浓度的升高均有不同程度的变化;随温度升高,摄食率和滤水率先升高后降低。产粪粒数在各浓度组间具有显著差异(p<0.05);随温度升高,产粪粒数逐渐升高,18℃与其余两温度组差异显著(P<0.05)。TBBPA持续暴露两世代后,生物富集量随着TBBPA浓度的升高显著增加(p<0.05),且F1代比F0代富集量大;随温度升高,生物富集量先降低后升高,在20℃最小。生物富集因子(BAF)随着TBBPA浓度的升高而降低,且具有世代效应;随温度升高,生物富集因子先降低后升高。其中,BAF的范围在13.26×10~3～24.58×10~3,表明日本虎斑猛水蚤对TBBPA具有较强的生物富集性(BAF>5 000)。

关键词(KeyWords)： 四溴双酚A(TBBPA);温度;日本虎斑猛水蚤;摄食率;生物富集因子(BAF)

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金项目(31572621)资助~~

作者(Author): 陈香,朱丽岩,王超,董辉辉,沈阳,卜亚谦

DOI: 10.16441/j.cnki.hdxb.20170354

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