HabitableZone

Off Topic » in reply to Tilapia is Worse For You Than Bacon . . . (originally from Comestible Zone)

Not just Tilapia...

...fish farming, once considered a way to "save the ocean environment" is now proving to be environmentally destructive on a mass scale. The fish pens where fish are trapped and fed generate enormous amounts of fish droppings and unconsumed feed and medicines which carpet the bottoms of the shallow protected bays where these farms are located.

The resulting waste accumulates on the bay bottoms and rots, killing natural life in the area and eventually leading to an anaerobic, rotting goo where nothing can live. When this poison eventually starts affecting fish production at the surface, the pens are simply moved a few miles away to pollute some other cove.

Much of our seafood now comes from fish farms in the Southern Hemisphere, particularly in the fiords of Southern Chile and Patagonia. This habitat, a cold water continental west coast temperate mountain rainforest/kelp forest similar to the Pacific coasts of Canada and Alaska ,is one of the richest marine environments on the planet, and it is systematically being poisoned to provide cheap fish for the tables of the First World.

This kind of destruction is not likely to come to N America, it would never be allowed here, but we have found a way to export our pollution overseas. Also, the fish meal used to feed the captive fish comes from offshore, and it takes about 3 pounds of pelagic fish to produce one pound of farm salmon, so the offshore fish stocks are being plundered too.

As Bowser says, its just plain disgusting.

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