EFFECTS OF TEMPERATURE AND LIGHT INTENSITY ON CELL CONCENTRATION AND GROWTH RATE OFDUNALIELLA SALINA TEODORESCO

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POURAFRASIABI MASOUMEH; RAMEZANPOUR ZOHREH; IMANPOUR NAMIN JAVID; SADEGHI RAD MARJAN

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Journal: JOURNAL OF FISHERIES SCIENCE AND TECHNOLOGY (JFST) Year:2013 | Volume:2 | Issue:1 Page(s): 13-23

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Title

EFFECTS OF TEMPERATURE AND LIGHT INTENSITY ON CELL CONCENTRATION AND GROWTH RATE OFDUNALIELLA SALINA TEODORESCO

Author(s)

POURAFRASIABI MASOUMEH | RAMEZANPOUR ZOHREH | IMANPOUR NAMIN JAVID | SADEGHI RAD MARJAN | Issue Writer Certificate

Keywords

GROWTH RATEQ2

TEMPERATUREQ2

LIGHT INTENSITYQ2

DUNALIELLA SALINAQ2

Abstract

Cell concentrations and GROWTH RATE of DUNALIELLA SALINA Teodoresco in light intensities of 50 and 150 mmol. photons.m-2.s-1 and TEMPERATUREs 25±0.5 and 31±0.5oC (mean ± SD) were studied. The algae was isolated from the Urumieh Lake and cultured in various treatments (n=12). Algae cells were counted regularly using Thoma counting chamber in 3 replicates on daily basis. The curve of changes in population was plotted. The highest cell concentration (mean ± SD) of 4.8 ± 0.6×106 cell. ml-1 was observed in LIGHT INTENSITY of 150 mmol. photons. m-2.s-1 and TEMPERATURE 25 ±0.5oC. The minimum cell concentration (2.8 ± 0.3 × 106 cell.ml-1) was observed in LIGHT INTENSITY of 50 mmol. photons.m-2.s-1 and TEMPERATURE 31±0.5oC. The maximum GROWTH RATE (0.38 d-1) was recorded in LIGHT INTENSITY of 150 mmol. photon. m-2.s-1 and TEMPERATURE 25±0.5oC and the minimum (0.16 d-1) in 50 mmol. photon. m-2.s-1 at TEMPERATURE 31±0.5oC Increase in TEMPERATURE from 25 to 31oC was found to be correlated with decrease in cell concentration and GROWTH RATE in D. salina., but increase in light intensities from 50 to 150 mmol. photons. m-2.s-1 resulted in increase of these factors.

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APA: Copy

POURAFRASIABI, MASOUMEH, RAMEZANPOUR, ZOHREH, IMANPOUR NAMIN, JAVID, & SADEGHI RAD, MARJAN. (2013). EFFECTS OF TEMPERATURE AND LIGHT INTENSITY ON CELL CONCENTRATION AND GROWTH RATE OFDUNALIELLA SALINA TEODORESCO. JOURNAL OF FISHERIES SCIENCE AND TECHNOLOGY (JFST), 2(1), 13-23. SID. https://sid.ir/paper/246836/en

Vancouver: Copy

POURAFRASIABI MASOUMEH, RAMEZANPOUR ZOHREH, IMANPOUR NAMIN JAVID, SADEGHI RAD MARJAN. EFFECTS OF TEMPERATURE AND LIGHT INTENSITY ON CELL CONCENTRATION AND GROWTH RATE OFDUNALIELLA SALINA TEODORESCO. JOURNAL OF FISHERIES SCIENCE AND TECHNOLOGY (JFST)[Internet]. 2013;2(1):13-23. Available from: https://sid.ir/paper/246836/en

IEEE: Copy

MASOUMEH POURAFRASIABI, ZOHREH RAMEZANPOUR, JAVID IMANPOUR NAMIN, and MARJAN SADEGHI RAD, “EFFECTS OF TEMPERATURE AND LIGHT INTENSITY ON CELL CONCENTRATION AND GROWTH RATE OFDUNALIELLA SALINA TEODORESCO,” JOURNAL OF FISHERIES SCIENCE AND TECHNOLOGY (JFST), vol. 2, no. 1, pp. 13–23, 2013, [Online]. Available: https://sid.ir/paper/246836/en

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