AEI - Vol. 9 - Feature article

Modified shrimp pond in a mangrove mudflat at Mtwapa creek, Kenya coast, equipped with natural sediment and exposed to sunlight. Photo credit: C. Gatune, Karatina University, Kenya

Gatune C, Vanreusel A, De Troch M

 

Sunlight and sediment improve the environment of a litter biofilm-based shrimp culture system

 

The demand for alternative sources of seafood has greatly influenced water ecosystems, such as mangrove mudflats, to develop aquaculture. In many culture systems, artificial structures such as plastic pond liners are being used to prevent water loss in fish ponds. The use of artificial structures modifies pond water conditions and affects natural water organisms, resulting in the overall deterioration of the natural environment and increased cost of production. The potential of natural resources, such as sunlight and sediment, for reducing the impact of aquaculture on the environment is evaluated in this study. Results indicate that exposing litter biofilm-based shrimp ponds to sunlight and sediment improves water quality and provides natural food while it reduces overreliance on pond liners for developing ecological shrimp culture systems.

 

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