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    Abstract
2010 (Vol. 2, Issue: 2)
Article Information:

Assessment of Ammonium Uptake by Marine Macroalga Gracilaria verrucosa (Rhodophyta)

L. Jagadeesan, A. Kannadasan, P. Anantharaman, P. Perumal, M. Thangaraj
Corresponding Author:  L. Jagadeesan 

Key words:  Ammonium uptake, macro algae, macro algae, , , ,
Vol. 2 , (2): Page No: 150-153
Submitted Accepted Published
2009 Oct., 20 2009 Nov., 12
Abstract:

The present study explains the rate of ammonium uptake by Gracilaria verrucosa from two different concentrations (10 and 30 μ). The Mean uptake by Gracilaria verrucosa was estimated as 6.118 and 17.31 μ, when the ammonium conc. of 10 and 30 μ in the medium. Based on the rate of uptake, the process was divided into four phases. In the first phase (with in 10 min) the rate of uptake was minimal (0.24 in 10 μ initial conc. and 0.38 in 30 μ initial conc.). In the second phase (20 min to 1 h) maximum uptake was observed (3.3059 and 12.1796 μ). In the third phase (1-6 h), the uptake process was moderate (2.5284 and 4.221 μ). In the Last phase (7-8 h) uptake rate was very less (0.235 and 0.9051 μ). The rates of ammonium uptakes were positively correlated with the nutritional concentration in the environment and negatively correlated with time.
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  Cite this Reference:
L. Jagadeesan, A. Kannadasan, P. Anantharaman, P. Perumal, M. Thangaraj, 2010. Assessment of Ammonium Uptake by Marine Macroalga Gracilaria verrucosa (Rhodophyta).  Current Research Journal of Biological Sciences, 2(2): Page No: 150-153.
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