Influence of high salinity and nitrogen limitation on package effect and C/N ratio in Dunaliella viridis

被引：0
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作者：
Carlos Jiménez
F. X. Niell
机构：
[1] University of Málaga,Department of Ecology, Faculty of Sciences
来源：
Hydrobiologia | 2003年 / 492卷
关键词：
salt stress; nitrogen limitation; cell carbon; cell nitrogen; package effect;
D O I：
暂无
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学科分类号：
摘要：
Variations in salinity and nitrate concentration of the growth medium were responsible for changes in growth rate, cell volume, pigment concentration, light harvesting efficiency and cell carbon and nitrogen content in Dunaliella viridis. Cell volume, Chl a/Chl b, Car/Chl a and C/N ratios increased in high salt- and low nitrogen-grown cells, while the contrary occurred to growth rate and package effect of pigments. After changing the osmotic pressure or the nitrate concentration, full adaptation of cell C and N content took approximately 24 h. It is concluded that high salinity and nitrogen deficiency induce similar responses in the phytoplankton to high light stress.
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页码：201 / 206
页数：5
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