西泉眼水库夏季浮游植物群落结构及水质评价

Phytoplankton Community Structure and Water Quality Evaluation in Xiquanyan Reservoir in Summer

2021年夏季(7月份),对西泉眼水库浮游植物进行调查研究,共鉴定出浮游植物7门112种,种类由多到少前三位分别为绿藻(51.46%)、硅藻(21.26%)、蓝藻(10.9%),优势种10种。浮游植物丰度为63.3~289.6 ×104 ind./L;生物量为1.2~4.14 mg/L;Shannon-Wiener指数为2.452~3.585;Pielou均匀度指数为0.317~0.867;水质评价的污染情况为轻–中度污染。In the summer of 2021 (July), the phytoplankton in Xiquanyan Reservoir was investigated and studied. A total of 112 species of phytoplankton belonging to 7 phyla were identified. The top three species were green algae (51.46%), diatom (21.26%), cyanobacteria (10.9%) and 10 dominant species. The abundance of phytoplankton is 63.3~289.6 ×104 ind./L;the biomass was 1.2~4.14 mg/L;Shannon-Wiener index is 2.452~3.585;Pielou evenness index is 0.317~0.867;the pollution of water quality assessment is light to medium pollution.