NPR: Urban Fish Farming: Wave Of The Future?Aquaculture 101

NPR: Urban Fish Farming: Wave Of The Future?

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are now hearing me speak again and they’re saying, ‘Oh, I get it now,’” he says.

By Brent Baughman
NPR
July 3, 2011

Excerpt:

His utopian city is one with Jacuzzi-sized fish tanks on every roof, giving locavore owners more than 100 pounds of fish a year.

Schreibman further sweetens the deal with something called hydroponics. By tweaking his filtration system to leave a certain amount of fish waste in the water, plants can be grown in the same tank.

“We’re talking plants floating on the surface of the water, using the fish waste as nutrition,” he explains.

Lettuce, herbs, bok choi and kale can all be grown this way. The plants float on a foam sheet, their roots dangling into the water below.

“Fish poop a lot,” Schreibman says. “People would be amazed at how much product you can produce in a certain area.”

He says lettuce heads, for instance, can be grown six inches apart and cut in about six weeks. Herbs can be snipped for cooking and continue to grow.

Read the complete article here.

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