朱为菊,周俊,蓝天,王全喜

• 1:上海师范大学生命与环境科学学院
• 2:华东师范大学生命科学学院

摘要(Abstract)：

于2010年4月(平水期)、8月(丰水期)、11月(枯水期)对苏州太湖湿地公园浮游植物群落结构进行了调查,以探索湿地净化措施对浮游植物群落结构的影响。结果表明,共检出浮游植物80种,隶属于7门46属。其中,绿藻门种类最多,共23属43种,占种类总数的53.8%;其次为硅藻门,共13属19种,占种类总数的23.8%;蓝藻门5属10种,占种类总数的12.5%;其余门类共计5属8种。浮游植物生物量(湿重)在4月最高,8月最低,3个采样时期的平均值为9.45 mg/L,以硅藻门为主,占浮游植物生物量的71.05%。优势度分析显示,优势种主要包括颗粒直链藻(Melosira granulata)和细小平裂藻(Merismopedia minima)等,但是园内蓝藻生物量低于外围河道。经聚类分析得出,浮游植物群落结构有时间上的变化,但由于生态环境不同,又有一定的空间差异。苏州太湖湿地公园水体状况较好,在全年采样中未发现"水华"现象,这表明整个湿地系统对蓝藻具有较好的抑制作用。

关键词(KeyWords)： 生态学;浮游植物;群落结构特征

Abstract:

Keywords:

基金项目(Foundation):

作者(Author): 朱为菊,周俊,蓝天,王全喜

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