2009年对汾河流域太原段6个样点的浮游藻类进行了调查.汾河太原段浮游藻类共计116种(含变种),隶属8门61属.其中,硅藻门20属52种,绿藻门23属38种,蓝藻门11属19种,其他各门种类较少,共7属7种.根据浮游植物指示种评价,汾河太原段水质介于α-中污和β-中污之间.
The phytoplankton at 6 sampling sites in the Taiyuan section of Fenhe River was investigated in 2009. There were 61 genera 116 taxa of phytoplankton in Taiyuan section of Fenhe River,of which 20 genera 52 taxa belonged to Bacillariophyta,23 genera 38 taxa to Chlorophyta, 11 genera 19 taxa to Cyanophyta, other 7 genera 7 taxa to Pyrrophyta, Chrysophyta, Rhodophyta, Euglenophyta and Cryptophyta. Evaluating based on indicator species, the water quality in Fenhe River was between β-mesosaprobic and α-mesosaprobic.