倒天河水库和碧阳湖夏秋季浮游植物群落组成及水质评价
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摘要
为了解毕节市倒天河水库和碧阳湖夏秋季浮游植物的群落组成及水质状况,于2013年6月到10月对各采样点的浮游植物每月进行两次采样调查,共鉴定浮游植物19个属,隶属于6门12目,其优势属为盘星藻属和卵形藻属,各采样点浮游植物总密度在夏季均高于秋季。利用3个生物多样性指标,即Margalef丰富度指数(D)、Shannon-Wiener多样性指数(H′)和Pielou均匀度指数(J)来评价各采样点的水质状况,综合多种评价结果显示,倒天河水库和碧阳湖上段总体上为中污染状态,而碧阳湖中下段总体上为中-重污染状态。
In order to understand the community composition and water quality of phytoplankton in Daotianhe Reservoir and Biyang Lake in summer and autumn, the phytoplankton at each sampling point was sampled twice a month from June to October 2013. A total of 19 genus of phytoplankton were identified, belonging to 6 orders and 12 orders, and their dominant genus was Pediastrum and Cocconeis.The total density of phytoplankton at each sampling point in summer is higher than that in autumn. The water quality of each sampling point was evaluated using three biodiversity indicators, namely Margalef richness index(D), Shannon-Wiener diversity index(H') and Pielou evenness index(J). According to the results of various evaluations, the upper section of the Daotianhe Reservoir and the Biyang Lake are generally in a state of pollution, while the middle and lower sections of the Biyang Lake are generally in a medium-heavy state.
In order to understand the community composition and water quality of phytoplankton in Daotianhe Reservoir and Biyang Lake in summer and autumn, the phytoplankton at each sampling point was sampled twice a month from June to October 2013. A total of 19 genus of phytoplankton were identified, belonging to 6 orders and 12 orders, and their dominant genus was Pediastrum and Cocconeis.The total density of phytoplankton at each sampling point in summer is higher than that in autumn. The water quality of each sampling point was evaluated using three biodiversity indicators, namely Margalef richness index(D), Shannon-Wiener diversity index(H') and Pielou evenness index(J). According to the results of various evaluations, the upper section of the Daotianhe Reservoir and the Biyang Lake are generally in a state of pollution, while the middle and lower sections of the Biyang Lake are generally in a medium-heavy state.
引文
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[3]邓文丽,刘均平,王晓星,等.北京野鸭湖浮游植物群落结构与水质关系研究[J].湿地科学,2013,11(1):27-34.
[4]任伟亮,柴方营,鞠永富,等.鹤立湖浮游植物群落结构及多样性特征[J].水产学杂志,2018,31(1):30-35.
[5]赵秀侠,方婷,杨坤,等.安徽沱湖夏季浮游植物群落结构特征与环境因子关系[J].植物科学学报,2018,36(5):687-695.
[6] ARDYNA M., GOSSELIN M., MICHEL C., et al. Environmental forcing of phytoplankton community structure and function in the Canadian High Arctic:contrasting oligotrophic and eutrophic regions[J]. Marine Ecology Progress Series, 2012, 34(9):778-789.
[7]金相灿.湖泊富营养化调查规范第二版[M].北京:中国环境科学出版社,1990.
[8]黄祥飞.湖泊生态调查观测与分析[M].北京:中国标准出版社,2000.
[9]章宗涉,黄祥飞.淡水浮游生物研究方法[M].北京:科学出版社,1991.
[10]胡鸿钧,魏印心.中国淡水藻类—系统、分类及生态[M].北京:科学出版社,2006.
[11]彭凯,李太民,刘利,等.苏北骆马湖浮游植物群落结构及其水质生物评价[J].湖泊科学,2018,30(1):183-191.
[12]牛远,孔祥虹,余辉,等.抚仙湖夏季热分层时期浮游植物空间分布特征[J].生态学杂志,2016,35(7):1865-1871.
[13]李德亮,张婷,肖调义,等.大通湖浮游植物群落结构及其与环境因子关系[J].应用生态学报,2012,23(8):2107-2113.
[14]国超旋,王冬梅,胡晓东,等.石臼湖江苏段浮游植物群落结构特征及与环境因子的关系[J].水生态学杂志,2016,37(4):23-29.
[15]万阳,周忠泽,汪晨琛,等.迪沟采煤沉陷湖泊浮游植物群落结构特征[J].生物学杂志,2018,35(1):75-81.