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Reading: Water Quality in Identical Recirculating Systems Managed by Different Aquaculturists

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Water Quality in Identical Recirculating Systems Managed by Different Aquaculturists

Authors:

K. Hanna ,

Biological Resources Engineering Department University of Maryland, College Park, MD 20742, US
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F. Wheaton,

Environmental Science and Technology Department, University of Maryland College Park, MD 20742, US
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A. Lazur,

Center for Environmental Science, University of Maryland, Cambridge, MD 21613, USA, US
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S. VanKeuren

Biological Resources Engineering Department University of Maryland, College Park, MD 20742, US
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Abstract

Water quality in recirculating aquaculture systems is a function of many variables including system design, loading, and management; temperature; feeding rate, and other variables. This research attempted to determine how different managers’ management practices affected system water quality when the managers were using identical production systems. Water quality was monitored in two tanks on each of three farms, and an attempt was made to correlate management practices with the resulting tank water quality. The investigators worked with farm managers to collect as much data as possible about the management practices of each manager, economic data, when fish were placed into the tanks and when they were harvested, growth rates and other information. The resulting analysis proved there is great variation in water quality parameters in individual tanks both between farms and within a farm. The study showed that management of aquaculture systems had a strong influence on tank water quality. Operational data on economics, filter cleanings, fish growth and other information proved to be difficult to obtain as the managers did not keep detailed records of many of these variables. As a result, it was not possible to relate water quality to economics of the farm. It was apparent that good records are necessary for an aquaculture production facility if the operation is to be successful.

How to Cite: Hanna, K., Wheaton, F., Lazur, A. and VanKeuren, S., 2010. Water Quality in Identical Recirculating Systems Managed by Different Aquaculturists. International Journal of Recirculating Aquaculture, 11(1). DOI: http://doi.org/10.21061/ijra.v11i1.1345
Published on 01 Jun 2010.
Peer Reviewed

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