Volume 6, Issue 2 (8-2014)
3 2014, 6(2): 67-74 |
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Naghibi M, Ghaeni M, Masoomizadeh S Z. Density of microalgae cell and chlorophyll a content of Nannochloropsis oculata in different salinity and medium. 3 2014; 6 (2) :67-74
URL: http://jmb.ahvaz.iau.ir/article-1-285-en.html
URL: http://jmb.ahvaz.iau.ir/article-1-285-en.html
Abstract: (6423 Views)
Nannochlorosis microalgae is belonged to phylum Chlorophyta and
sub-phylum Eustigmatophyceae. In this study growth of
Nannochloropsis oculata has been evaluated in four different media
(Conway, Guillard, N8, TMRL) and different salinity (20, 25, 30
ppt) with triplicate for treatments in laboratory (temperature was
25˚C , pH=11, light intensity=2500LUX, light duration=18hours
and 6 hours darkness and also aeration using aquarium pump for 24
hours) During 14 days culturing. The growth of Nannochloropsis
oculata has been determined with two counting methods, neobar
lam and cellular concentration and the amount of a chlorophyll a
by using spectrometry method .According to the results, significant
differences between treatments with medium salinity differences
exist (p <0.05) and medium Conway salinity 25 ppt in terms of
increased density and salinity 20 ppt the amount of a chlorophyll a
in the first grade, medium Guillard with salinity 20ppt in terms of
increased density and a chlorophyll a second level, medium TMRL
salinity 25 ppt in terms of increased density and a chlorophyll a third
and medium N 8 with salinity 25 ppt in terms of increased density
and salinity 20 ppt the amount of a chlorophyll a in fourth place
fall.
Type of Study: Research |
Subject:
Fisheries
Received: 2015/03/2 | Accepted: 2015/03/2 | Published: 2015/03/2
Received: 2015/03/2 | Accepted: 2015/03/2 | Published: 2015/03/2
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