白洋淀枝角类和桡足类调查及水环境因子分析

doi:10.3969/j.issn.1000-1565.2021.03.011

摘要/Abstract

摘要： 为了研究枝角类和桡足类的物种组成与分布以及与水环境因子的相关性,于2018年8月对白洋淀枝角类和桡足类及水环境因子进行了调查.基于DNA条形码技术对白洋淀的枝角类和桡足类种类进行鉴定,建立系统发育树,通过系统发育树鉴定物种种类并表明其遗传距离,共鉴定出枝角类3科5属8种,桡足类4科9属14种.采用典型相关分析(CCA)方法分析枝角类和桡足类与水环境因子相关性.结果表明:Zn含量是枝角类和桡足类区域性分布差异的主要原因,枝角类种类数量及群落组成与P含量呈负相关,每个物种的生长都受不同水环境因子影响,相同水环境因子对于不同物种的分布影响也存在差异.

关键词: 枝角类, 桡足类, DNA条形码, 相关性分析

Abstract: In order to investigate the community composition and distribution of Cladocera and Copepoda and to study the related influences of water environment, Cladocera and Copepoda and the factors of water environment in Baiyangdian were investigated in August 2018. Based on the technology of DNA barcoding, the species of Cladocera and Copepoda were identified, and the phylogenetic trees were built and their genetic distance were established. And 3 families 5 genera 8 species of Cladocera and 4 families 9 genera 14 species of Copepoda were investigated.Canonical correlation analysis(CCA)was used to analyze the relationship of Cladocera and Copepoda and water environment. The results showed that Zn content was the main factor for the difference of the regional distributions between Cladocera and Copepoda. The number and community composition of Cladocera species were negatively correlated with P content. The growth of each species was affected by different environmental factors, and the same environmental factor also had different effects on the distributions of different species.

Key words: Cladocera, Copepoda, DNA barcoding, correlation analysis

中图分类号:

孙枭琼,崔铁峰,方楠,王印开,王宏伟. 白洋淀枝角类和桡足类调查及水环境因子分析[J]. 河北大学学报(自然科学版), 2021, 41(3): 290-296.

SUN Xiaoqiong, CUI Tiefeng, FANG Nan, WANG Yinkai, WANG Hongwei. Investigation of Cladocera and Copepoda in Baiyangdian and analysis of water environmental factors[J]. Journal of Hebei University(Natural Science Edition), 2021, 41(3): 290-296.

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