Sustainable tilapia culture: The potential of duckweed

In an integrated tilapia and duckweed recirculating system, the fish and the water of the ponds provide nutrients upon which the duckweed will thrive. 

READ
Fences in the ocean
Fences in the ocean

Fences in the ocean

Erecting permanent structures in open coastal waters, like fish farms, requires planning, direction and, most likely, the grant of private property rights.