Characteristics and influencing factors of phytoplankton community structure in Zhangze Reservoir
In order to clarify the spatial distribution and key driving factors of phytoplankton in Zhangze Reservoir,Changzhi City,Shanxi Province,the phytoplankton and environmental factors are investigated and analyzed at 18 sampling sites in Zhangze Reservoir in the second and third quarters of 2022.The results show that 75 species of phytoplankton in 8 phyla are identified in Zhangze reservoir,which are Chlorophyta-Cyanobacteria type in the second quarter and Cyanobacteria-Diatom type in the third quarter.The dominant species are Phormidium tenue,Menichlorella and Dactylococcopsis.The comprehensive evaluation of phytoplankton community characteristics index shows that the reservoir is in a state of mild pollution.Canonical correspondence analysis and pearson correlation analysis show that water temperature and CODMn are the key factors affecting phytoplankton community structure in Zhangze Reservoir,followed by TP and DO.
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NSTL
万方数据
