Effect of Salinity and Photoperiod on Growth of Microalgae Nannochloropsis sp. and Tetraselmis sp

In this present study, the effect of salinity and photoperiod on the growth of Nannochloropsis sp. and Tetraselmis sp. was examined to optimize microalgal growth. Different salinities (5, 10, 15 and 20[per thousand]) for Nannochloropsis sp. and (10, 15, 20 and 25[per thousand]) for Tetraselmis sp. w...

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Published inNature environment and pollution technology Vol. 14; no. 3; p. 563
Main Authors Fakhri, M, Arifin, N B, Budianto, B, Yuniarti, A, Hariati, A M
Format Journal Article
LanguageEnglish
Published Karad Technoscience Publications 01.09.2015
Subjects
Algae
Cell growth
Light
Nannochloropsis
Salinity
Statistical analysis
Tetraselmis
Variance analysis
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Summary:In this present study, the effect of salinity and photoperiod on the growth of Nannochloropsis sp. and Tetraselmis sp. was examined to optimize microalgal growth. Different salinities (5, 10, 15 and 20[per thousand]) for Nannochloropsis sp. and (10, 15, 20 and 25[per thousand]) for Tetraselmis sp. were studied. Both microalgae were cultivated at two different photoperiod cycles (24:0 and 12:12 h light:dark). Maximum growth rates and cell concentrations for Nannochloropsis sp. and for Tetraselmis sp. were achieved at salinities of 10 and 15[per thousand], respectively. In terms of photoperiod, the maximum growth rates and cell concentrations for both microalgae were obtained at photoperiod of 24:0 h light:dark. This study shows that the cell concentrations and growth rates of both microalgae are highly dependent on salinity and photoperiod.
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ISSN:0972-6268
2395-3454