Tilapia culture in trinidad and tobago: yet another update

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The UVI aquaponic system represents an appropriate or intermediate technology that can be applied outdoors under suitable growing conditions or in an environmentally controlled greenhouse. It is ideal for areas that have limited resources such as water or level land. The system is highly productive and intense but operates well within the limits of risk. It conserves and reuses water, recycles nutrients and requires very little land. With its small land requirement it is economically feasible to locate systems close to urban markets, thereby reducing transportation costs. The system can be used on a subsistence level or a commercial scale. The system is simple, reliable and robust. Production is continuous and sustainable as demonstrated by nearly 10 years of continuous operation in its current configuration. The UVI aquaponic system does require a relatively high capital investment, moderate energy inputs and skilled management, though management is easy if production guidelines are followed.
Gloger, K.C., J.E. Rakocy, J.B. Cotner, D.S. Bailey, W.M. Cole and K.A. Shultz. 1995. Waste treatment capacity of raft hydroponics in a closed recirculating fish culture system. World Aquaculture Society, Book of Abstracts: 126-127.

Rakocy, J.E. 1989. Hydroponic lettuce production in a recirculating fish culture system. University of the Virgin Islands, Agricultural Experiment Station, Island Perspectives 3:4-10.

Rakocy, J.E., J.A. Hargreaves and D.S. Bailey. 1993. Nutrient accumulation in a recirculating aquaculture system integrated with hydroponic vegetable production. Pages 148-158 in J.K. Wang, editor. Proceedings of the Aquaculture Engineering Conference on Techniques for Modern Aquaculture. Aquacultural Engineering Group, American Society of Agricultural Engineers.

Rakocy, J.E. 1997. Integrating tilapia culture with vegetable hydroponics in recirculating systems. Pages 163-184 in B.A. Costa-Pierce and J.E. Rakocy, Eds. Tilapia Aquaculture in the Americas, Vol. 1. 1997. World Aquaculture Society, Baton Rouge, Louisiana.

Rakocy, J.E., D.S. Bailey, K.A. Shultz and W.M. Cole. 1997. Evaluation of a commercial-scale aquaponic unit for the production of tilapia and lettuce. Pages 357-372 in K. Fitzsimmons, ed. Tilapia Aquaculture: Proceedings of the Fourth International Symposium on Tilapia in Aquaculture, Orlando, Florida.

Rakocy, J.E., D.S. Bailey, R.C. Shultz and E.S. Thoman. 2004a. Update on tilapia and vegetable production in the UVI aquaponic system. Pages 676-690 in R.B. Bolivar, G.C. Mair, K. Fitzsimmons, Eds. Proceedings from the Sixth International Symposium on Tilapia in Aquaculture, Manila, Philippines.

Rakocy, J.E., Shultz, R.C., Bailey D.S. and Thoman, E.S. 2004b. Aquaponic production of tilapia and basil: comparing a batch and staggered cropping system. Acta Horticulturae (ISHS) 648:63-69. (http://www.actahort.org/books/648/648_8.htm)

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