伊乐藻对菲的去除作用及生理响应  

REMOVAL AND PHYSIOLOGICAL RESPONSE OF ELODEACANADENSIS TO PHENANTHRENE

作　　者：慕君玲[1] 李佳华[1] 郭红岩[1] 王晓蓉[1] 尹大强[1] 张景飞[2] 

机构地区：[1]污染控制与资源化研究国家重点实验室南京大学环境学院 [2]南京大学地球科学系,南京210093

出　　处：《山东师范大学学报（自然科学版）》2007年第2期112-115,共4页Journal of Shandong Normal University(Natural Science)

基　　金：国家科技部973计划项目:湖泊富营养化过程和水华爆发机理研究;第7子课题;项目编号:2002CB412307

摘　　要：本文以沉水植物伊乐藻为试验材料,通过模拟实验研究了伊乐藻对多环芳烃类化合物(菲)的去除作用并探讨了菲的长期暴露对水体水质、伊乐藻的丙二醛、可溶性和可溶性蛋白质含量等生理生化指标的影响.水体中菲的浓度影响水体的水质,在1mg/L菲暴露下低等藻类的生长情况受到严重抑制.两种浓度下因伊乐藻引起的对水中菲的去除率达到68.8%和71.7%.在两种浓度暴露下,伊乐藻体内的丙二醛和可溶性糖含量先降低,可溶性蛋白质含量先升高.但随着暴露时间的延长,都恢复到和初始值比较接近.伊乐藻对较低浓度的菲有很好的抗逆性,可以考虑作为水体菲污染修复的先锋物种.Removal efficiencies and physiological responses of submerged macrophytes （Elodeacanadensi, ED for short） to phenanthrene （Phe） were investigated, following 40- day exposure to Phe solutions in an indoor-simulated experiment. Phenanthrene can affect water quality apparently. Under the stress of high concentration Phenanthrene, growth of lower algae was inhibited seriously. The efficiencies of plant - enhanced remediation for water Phe contaminants approached to 68.8 and 71.7 percent for 1 - ED and 0.5 - ED treatments, respectively. Results showed that these SMs have stress - resistance to Phe, although adding Phe to water resulted in adverse effects on these plants such as reduced malondialdehyde （MDA） and water soluble carbohydrate （WSC） contents as well increased water soluble protein （WSP） contents because of several days＇ Phe exposure. ED can be selected as pioneering plants with high remediation e？ ciency based on plant accumulation of Pre.

关 键 词：去除 伊乐藻 生理生化反应 

分 类 号：X131[环境科学与工程—环境科学]