International Journal on Algae

ISSN for PRINT: 1521-9429

For Online Access

Best Paper Award Selection - Editorial Board Site

2008, Volume10

Issue 4

96 pages

Issue price - $272.00

A. I. Bozhkov
Research Institute of Biology, V.N. Karazin National University of Kharkov, 4, Svobody Sq., 61077 Kharkov, Ukraine

N. G. Menzyanova
Research Institute of Biology, V.N. Karazin National University of Kharkov, 4, Svobody sq., 61077 Kharkov, Ukraine

M. K. Kovalyova
Research Institute of Biology, V.N. Karazin Kharkov National University, 4, Svobody Sq., 61077 Kharkov, Ukraine

The growth intensity of a periodical microalgal culture Dunaliella viridis Teod. (Chlorophyta), the intracellular content of protein, triacylglycerides, and β-carotene under a standard cultivation conditions (constant twenty-four-hour illumination, temperature, medium composition, etc.) in the course of a calendar year were investigated. It has been revealed that in constant cultivation conditions the growth intensity, the intracellular content of protein, triacylglycerides, and β-carotene have shown seasonal variability with a flicker-noise structure. The inverse correlations between the microalgae growth intensity and the absolute values of the area of solar spots (electromagnetic solar radiation) and Volf s number (corpuscular solar radiation) were revealed. The relationships between the protein, triacylglycerides, β-carotene content and the absolute values of heliophysical factors were linear and U-shaped. The ambiguous biotropic effects of heliophysical factors may be connect with the variability of dominating biotropic factors during the microalgal D. viridis growth (principle of variable dominating factors).

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