Given its 32 km^2 area this gives a yearly yield of 37 tons per square kilometer.
Yet unlike most of the world's fish farms, it does so not by interfering with nature, but by restoring it.
http://www.vetalapalma.es Veta La Palma Website
Chef Dan Barber squares off with a dilemma facing many chefs today: how to keep fish on the menu.
With impeccable research and deadpan humor, he chronicles his pursuit of a sustainable fish he could love, and the foodie's honeymoon he's enjoyed since discovering an outrageously delicious fish raised using a revolutionary farming method in Spain.
Apart from some strange ideas about ecosystem regeneration somehow being 'improving on nature' .. this article below is quite good.
This is a very large-scale project & it shows what kinds of huge transformations are possible when we work with nature, not against. And also demonstrates that they can be very economically viable, when the whole is well designed.
*(this land was an ecological disaster before it was made into a fish farm)
Veta la Palma is also the largest and most important private owned bird sanctuary in the world because of the 250 different species of birds feeding on the fishes of the farm.
This farm is owned by food majors Hisparroz. Hisparroz president, Luis Contreras says "We call it the pata negra of sea bass."