摘要
2007年对北京汉石桥湿地水系进行浮游植物和水质理化指标的评价调查。浮游植物群落由蓝藻、绿藻、硅藻、隐藻、裸藻和甲藻构成,平均密度为2.4×108个/L,其中绿藻占55.7%。湿地水体4项指标透明度、全氮、全磷、化学需氧量的卡尔森营养指数分别为87.80、88.70、98.15和98.69,水质明显富营养化,夏秋季水面有微囊藻藻胞层(微囊藻藻水华)。V形水道水域夏秋季水面也出现裸藻水华。
Water quality of Hanshiqiao Wetland was monitored and evaluated by algae phytoplankton in 2007. The results showed that the mainly species of algae phytoplankton were Chlorophyta,Cyanophyta,Euglenophyta,Pyrrophyta , Cryptophyta and Bacillariophyta. The average cells density of phytop lankton was 2.4 × 10^8 cells/L, and Chlorophy ta roportion was 55.7%. Carlson nutrition index of wetland water transparency, total nitrogen, total phosphorus and were 87.80, 88.70, 98.15 and 98.69,respectively. Obviously, the water body was eutrophic, microcystis gonidium layer floated on the water （alga microcysfis water bloom）. Euglena water bloom also appeared V waterway waters in the summer and autumn.
出处
《湖南农业科学》
2009年第4期133-135,共3页
Hunan Agricultural Sciences
基金
北京市科委公益应用研究项目(Y0705003040891)
北京湿地生物多样性保护技术(D08040600850803)
关键词
汉石桥湿地
浮游植物
水质
富营养化
Hanshiqiao wetland
phytoplankton
water quality
eutrophication
