王摆;高士博;董颖;王笑月;周遵春;

• 1:辽宁省海洋水产科学研究院
• 2:大连海洋大学

摘要(Abstract)：

海洋环境中苯系物污染主要来源于海洋溢油事故以及沿海石油化工企业的废水排放。为探究苯系物对海洋微藻的毒性作用,选择球等鞭金藻和新月菱形藻作为受试生物,分别考察了苯、甲苯、乙基苯、邻-二甲苯、间-二甲苯和对-二甲苯6种苯系物对2种海洋微藻生长的影响。结果表明,在0.25~64.0 mg·L-1暴露浓度下,6种苯系物对2种微藻生长具有显著的抑制作用,随着暴露浓度的升高,抑制作用明显增强。苯、甲苯、乙基苯、邻-二甲苯、间-二甲苯、对-二甲苯对球等鞭金藻的24 h的半数效应浓度(24 h-EC50)分别为:17.07、12.88、7.58、0.55、0.36、0.27 mg·L-1;对新月菱形藻的24 h-EC50值分别为:1.03、0.68、0.46、0.40、0.42、0.38 mg·L-1。上述研究结果为确定苯系物海洋环境质量标准、保护海洋生态环境提供了基础数据。

关键词(KeyWords)： 苯系物;球等鞭金藻;新月菱形藻;生长抑制;毒性作用

Abstract:

Keywords:

基金项目(Foundation): 海洋公益性行业科研专项(201205012-7);; 大连市科学技术基金(2012J21DW029)

作者(Author): 王摆;高士博;董颖;王笑月;周遵春;

Email:

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