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引用本文:韩欢欢,范亚文.黑龙江省安兴湿地秋季浮游植物群落结构.湖泊科学,2012,24(4):577-585. DOI:10.18307/2012.0411
HAN Huanhuan,FAN Yawen.Phytoplankton community structure in autumn of Anxing Wetland, Heilongjiang Province. J. Lake Sci.2012,24(4):577-585. DOI:10.18307/2012.0411
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黑龙江省安兴湿地秋季浮游植物群落结构
韩欢欢, 范亚文
哈尔滨师范大学生命科学与技术学院, 哈尔滨 150025
摘要:
于2010年10月(秋季)对黑龙江省安兴湿地浮游植物群落组成、丰度及优势种进行分析.共设置9个采样点,经鉴定共有浮游植物146个分类单位,包括128种17变种1变型,隶属于6门8纲12目25科45属,其中绿藻为优势门类,占浮游植物总数的39.7%,裸藻次之,占浮游植物总数的30.8%,硅藻居第三位,占浮游植物总数的21.9%,调查期间浮游植物的总丰度为181.4×106 cells/L.优势度分析显示,安兴湿地秋季各采样点的浮游植物优势种都在3个以上,主要优势种有细粒囊裸藻(Trachelomonas granulosa Playf.)、梅尼小环藻(Cyclotella meneghiniana Kütz.)、细粒囊裸藻齿领变种(Trachelomonas granulosa var. crenulatocollis(Szab.) Hub.-Pest.)等.样点聚类和非度量多维标度分析表明,9个采样点浮游植物群落在相似度60%时可分为5组,各样点浮游植物种类在空间组成上相似性低,差异性较大,主要与其生境特点相关.典范对应分析显示优势种类变化与环境条件相一致,主要受温度、pH的影响.此外,在安兴湿地内还鉴定出大量的β-中污带指示种,结合多样性指数分析,本文初步推断安兴湿地水质可能受到了一定的污染.
关键词:  安兴湿地  浮游植物  群落结构
DOI:10.18307/2012.0411
分类号:
基金项目:国家自然科学基金项目(30870157,31070183,31110103015);黑龙江省科技厅项目(C200828)联合资助
Phytoplankton community structure in autumn of Anxing Wetland, Heilongjiang Province
HAN Huanhuan, FAN Yawen
College of Life Science and Technology, Harbin Normal University, Harbin 150025, P. R. China
Abstract:
This paper is about the structure of phytoplankton communities in the autumn of 2010 in Anxing Wetland, Heilongjiang Province, China. The abundance of phytoplankton communities, cell density and dominant species were analyzed. In total, 146 taxa were identified from nine sampling sites. The 146 taxa included 6 divisions, 8 classes, 12 orders, 25 families, 45 genera, 128 species, 17 varieties and 1 form. Chlorophyta were dominant and accounted for 39.7% of the total phytoplankton, while Euglenophyta and Bacillariophyta accounted for 30.8% and 21.9%, respectively. The abundance of phytoplankton was 181.4×106 cells/L. Dominance analysis showed that there were more than three dominant species at each sampling site, including Trachelomonas granulosa Playf., Cyclotella meneghiniana Kütz. and Trachelomonas granulosa var. crenulatocollis(Szab.) Hub. -Pest.. Cluster and non-metric Multi Dimensional Scaling analysis showed that nine sampling sites were divided into five groups and the composition of phytoplankton communities were significant different spatially when the similarity of the phytoplankton community reached to 60%. That was related to different ecological characteristics of each site. Canonical Correspondence Analysis showed that dominant specie change was mainly influenced by temperature and pH. In addition, a large number of β-mesosaprobic zone indicators and lower diversity index were monitored in Anxing Wetland, suggesting that the water quality from the wetlands might have been polluted.
Key words:  Anxing Wetland  phytoplankton  community structure
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