|
|
FISH FARMING IN TAGBAC/TANGAL - LUBANG ISLANDThe fish farms in Tangal are generally not mechanised to any significant extent The supply of nutrients for fish stock is largely dependant on tidal flows. A large portion of the fish farms are operating on what was formerly mangrove swamps. The use of tidal flows for nutrients, avoids the application of costly fertilisers, which would be in any case mostly carried away by the tides. To restock the ponds, with prawns for example, reliance is put on trapping prawns in water flowing in from the mangrove swamps.
The optimal design for a fish pond appears to incorporate the following principles:
Reference: Small Scale Fish Farming I by Leo in Fisheries. (www.mixph.com/2008/01/small-scale-fish-farming.html) |
|
|
|
|
|
|
|
|
|