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Abstract
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Article Information:
Effect of Temperature, Dissolved Oxygen Variation and Evaporation Rate in Marine Aquarium
M. Natarajan, P. Raja, G. Marichamy and S. Rajagopal
Corresponding Author: P. Raja
Submitted: 2009 June, 18
Accepted: 2009 August, 05
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Abstract:
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A marine aquarium was established at Annamalai University 30 km away from the coast with
recycled seawater system. The problems faced during the operations were increase in water temperature,
consumption of dissolved oxygen and evaporation of seawater. The rate of evaporation of water in entire
aquarium was estimated about 128 liters/day. The temperature increase in the aquarium tank was observed as
0.1ºC due to the operation of canister filter, 0.1ºC due to pumps and 1.1ºC due to aquarium lightings. Further
the position of aquarium lids leads to a raise in temperature of 0.5ºC. The consumption of dissolved oxygen
by eight band butterfly fishes Chaetodon octofasciatus was taken as a case study and found to be 2.031x10-4
ppm/g of biomass. The optimum stocking density for balanced dissolved oxygen condition was calculated as
0.919 kg of biomass / 1,000 liters of seawater with the aeration of 0.351 ppm/hr.
Key words: Aquarium, chaetodon octofasciatus, dissolved oxygen, evaporation, salinity, temperature,
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Cite this Reference:
M. Natarajan, P. Raja, G. Marichamy and S. Rajagopal, . Effect of Temperature, Dissolved Oxygen Variation and Evaporation Rate in Marine Aquarium. Current Research Journal of Biological Sciences, (3): Page No: 72-77.
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ISSN (Online): 2041-0778
ISSN (Print): 2041-076X |
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