伊乐藻对污染水体中氮、磷的净化效果及其克藻效应  

The Purification Effect of Nitrogen and Phosphorus and Allelopathic Effect on Polluted Water by Elodea Nuttallii

作　　者：张卫[1] 林匡飞[1] 李辉[1] 张巍[1] 朱璞含[1] 王学东[2] 崔心红[3] 付融冰[4] 

机构地区：[1]华东理工大学资源与环境工程学院,国家环境保护化工过程环境风险评价与控制重点实验室,上海200237 [2]温州医学院环境与公共卫生学院,浙江温州325035 [3]上海市园林科学研究所,上海200232 [4]上海市环境科学研究院,上海200233

出　　处：《农业环境科学学报》2011年第3期554-558,共5页Journal of Agro-Environment Science

基　　金：国家自然科学基金(40901148,20807028,41003031);温州市重大科技专项(Z090921421);林业公益性行业科研专项(201104088);中央高校基本科研业务费专项(WB0911011),水专项(2009ZX07101)

摘　　要：为了科学评价伊乐藻在水生态修复中的实际应用价值,在模拟条件下初步研究了沉水植物伊乐藻(Elodea nuttallii)对污染水体中氮、磷的净化效果及其克藻效应。结果表明,伊乐藻对总氮、氨态氮、硝态氮和总磷均具有一定的净化效果,并且水体中氮、磷起始浓度越高,其去除效果越明显;不同生物量伊乐藻对河水中其他藻类均具有较强抑制作用,并且随着生物量增加,其克藻效应更加明显。In order to evaluate the role of Elodea nuttallii in aquatic ecological restoration,the purification effect of N and P by Elodea nuttallii were studied,and allelopathic effects on other algae were also investigated by a series of lab experiments.The results showed that Elodea nuttallii could decrease the concentrations of TN,NH＋4-N,NO-3-N and TP significantly;The initial concentration of N and P was higher,and the purification effect was better,such as the water with tolerant concentration;The inhibition function on other algae by Elodea nuttallii with different biomass was very obvious in water;Moreover,the biomass was higher,and the allelopathic effect displayed more distinct.

关 键 词：伊乐藻 污染水体 氮磷含量 净化效果 克藻效应 

分 类 号：X173[环境科学与工程—环境科学]