生态科学2023，Vol.42Issue(6)：44-50,7.DOI:10.14108/j.cnki.1008-8873.2023.06.005
三峡水库4条支流的浮游植物生物量及其与环境因子的关系
Phytoplankton biomass and its relationship with environmental factors in four tributaries of the Three Gorges Reservoir
摘要
Abstract
To reveal the relationship between phytoplankton biomass and environmental factors in tributaries of the Three Gorges Reservoir(TGR),chlorophyll a(Chl a)and physico-chemical factors of four tributaries(Xiaojiang,Daning,Shennongxi and Xiangxi)in the TGR were monitored monthly from Jan.2019 to Jan.2020.The results indicated that the concentration of Chl a was the highest in May and the lowest in January,which was(29.802±19.970)μg·L-1 and(1.562±0.362)μg·L-1,respectively.The annual average concentration of Chl a was(10.810±10.908)μg·L-1.The concentration of Chl a was higher in Chongqing area than in Hubei area,and the highest concentration was found in Xiaojiang.Correlation analysis showed that there was a significant positive correlation between Chl a and total phosphorus,dissolved oxygen,CODMn,and water temperature(P<0.05),and a significant negative correlation with phosphate and transparency(P<0.05).It was proved that phosphorus was the main determining factor for Chl a,and phosphorus control was of great significance to the prevention and control of algal bloom in the tributaries of the Three Gorges Reservoir.关键词
三峡水库/藻类生物量/环境因子Key words
Three Gorges Reservoir/phytoplankton biomass/environmental factor分类
生物科学引用本文复制引用
方灵超,李渊,毕永红..三峡水库4条支流的浮游植物生物量及其与环境因子的关系[J].生态科学,2023,42(6):44-50,7.基金项目
国家自然科学基金面上项目(31971477) （31971477）
