IN-VIVO FLUORESCENCE OF CHLOROPHYLL-A - ESTIMATION OF PHYTOPLANKTON BIOMASS AND ACTIVITY IN RIMOV RESERVOIR (CZECH REPUBLIC)

被引:11
作者
VYHNALEK, V [1 ]
FISAR, Z [1 ]
FISAROVA, A [1 ]
KOMARKOVA, J [1 ]
机构
[1] CHARLES UNIV,FAC MED,PSYCHIAT RES UNIT,CS-12821 PRAGUE 2,CZECHOSLOVAKIA
关键词
PHYTOPLANKTON; CHLOROPHYLL-A; PRODUCTION; IN-VIVO FLUORESCENCE;
D O I
10.2166/wst.1993.0126
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
The in vivo fluorescence of chlorophyll a was measured in samples of natural phytoplankton taken from the Rimov Reservoir (Czech Republic) during the years 1987 and 1988. The fluorescence intensities of samples either with or without addition of 3-(3,4-dichlorophenyl)-1,1-dimethylurea (diuron, DCMU) were found reliable for calculating the concentration of chlorophyll a during periods when cyanobacteria were not abundant. The correction for background non-chlorophyll fluorescence appeared to be essential. No distinct correlation between a DCMU-induced increase of the fluorescence and primary production of phytoplankton was found.
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收藏
页码:29 / 33
页数:5
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