里下河地区典型湖泊大型底栖动物与环境因子的相关性分析
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X524

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国家自然科学基金(51279060,41301531);江苏省水利科技项目(2012023)


Correlation analysis between macrozoobenthos and environmental factors in lakes of Lixia River Area
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    摘要:

    为揭示里下河地区湖泊大型底栖动物群落现状及其主要的环境影响因子,于2013年4月对里下河地区4个典型浅水湖泊的大型底栖动物群落进行了调查,并测定分析相关水质环境因子;对大型底栖动物群落与环境因子进行冗余分析,找出了对大型底栖动物群落影响较大的环境因子。结果表明:研究区域湖泊均处于富营养化状态,大型底栖动物群落分布趋向于单一化,铜锈环棱螺和霍甫水丝蚓是该地区典型湖泊的主要优势物种。冗余分析排序中,排序轴前两轴特征值较大,为0.168和0.115,合计0.283,分别解释了42.6%和31.8%的物种-环境变异,PO3-4-P、Chl-a和DO是对大型底栖动物密度影响较大的环境因子。

    Abstract:

    To explore the current situation of the macrozoobenthic communities and related environmental factors in lakes of the Lixia River Area, investigations on the macrozoobenthic communities in four classic shallow lakes were carried out in April 2013, and the related environmental factors were measured and analyzed. The redundancy analysis was conducted between the macrozoobenthic communities and environmental factors to find out the environmental factors which had more influence on the macrozoobenthic communities. Results show that lakes in the area are in eutrophication state, the distribution of macrozoobenthic community trends to be simplified, Bellamya aeruginosa and Limnodrilus hoffmeistteri are dominant species in the area. In the sort of redundancy analysis, the eigenvalues of the first two axes are larger, which are 0. 168 and 0. 115, summing to 0. 283, and they explain 42. 6% and 31. 8% of the species-environment variation. PO3-4-P, Chl-a, and DO were the main environmental factors influencing the density of macrozoobenthic.

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朱苏葛,刘凌,罗娟,等.里下河地区典型湖泊大型底栖动物与环境因子的相关性分析[J].水资源保护,2016,32(3):99-104.(ZHU Suge, LIU Ling, LUO Juan, et al. Correlation analysis between macrozoobenthos and environmental factors in lakes of Lixia River Area[J]. Water Resources Protection,2016,32(3):99-104.(in Chinese))

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  • 收稿日期:2015-06-11
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  • 在线发布日期: 2016-05-25
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