Fish, By VictoriaPeckham, Flickr, Creative Commons
Case

New York: Urban fish farms

An increasing demand for fish for consumption creates a risk for over-fishing in the oceans all over the world. Indoor fish farms can be an answer to this food crisis. A professor in biology in Brooklyn, New York has developed a new type of indoor fish farms established in the city. With indoor fish farms, it is possible to create a controlled environment that provides a healthier aquaculture.


Fish stocks are dwindling while demand is rising. One-sixth of the world's population relies on fish as primary source of protein. As a result, the fishing industry is constantly trawling deeper to replace the depleted stocks causing destruction of the ecosystem of the oceans beyond repair.

Indoor urban aquaculture could be a solution to this. In a cellar at Brooklyn College, New York, professor in biology Martin P. Schreibman is farming thousands of Tilapia (a fish normally imported from South America and Asia) in big tanks. Americans consumed about 300 million pounds of Tilapia in 2005, making it no. 6 on the list of seafood consumption. A facility located in an urban centre will reduce the transportation costs currently associated with importing fish from outside the city. Schreibman explains that fish farming is intended to complement, not supplant, the commercial fishing industry.

Tilapia is a good fish for urban farming because they are disease resistant and very efficient at converting feed to body mass. Compared to conventional fishing, fish raised in outdoor fish farms are fed anti-biotics. Schreibman is using a bacteriological system to handle the fishes’ waste in his fish farm. Outdoor farms release waste into surrounding ecosystems, while Schreibman’s Recirculating Aquaculture Systems use bacteria to break it down, increasing the amount of recyclable water. Urban fish farms provide a more accurate simulation of the natural environment than out-door fish farms, helping the system to sustain itself. The re-circulating technology, which is a water re-use system, enables producers to grow fish in large numbers in a limited area.

Fish, By Augepfel, Flickr, Creative Commons

Urban fish farming is not new in and around New York City. Until a few years ago, residents in Morris Park, the Bronx, bought Tilapia from a small fish farm in the basement of a commercial building, and a small Tilapia farm is tended by inmates in the Bayside State Prison in Leesburg, New Jersey.

Schreibman’s idea is to create urban fish farms all over New York. He points out that urban aquaculture could be a USD 1.5 billion-a-year industry, in New York alone. Some have criticised the idea saying that it is not economically viable, given the fact that New York has higher labour and utility costs than most other areas in the US. However, Schreibman believes that New York’s sustainable consumers are ready to pay a little more for fish produced in the city and that urban fish will be more economically sustainable in the future.

There is also a social component to Schreibman's master plan. He hopes to remedy urban ills by providing jobs and food for the poor using abandoned warehouses to create urban fish farms. Just like people have started their own community garden to sustain themselves with vegetables, individuals can create their own urban fish farms.

"Our oceans have been overfished beyond repair. If we're going to keep eating fish (….) we may have to rely on aquaculture.” Professor Martin Schreibman

http://current.com/items/89098129_urban_aquaculture_professor_martin_schreibman_wants_to_bring_fish_farms_into_the_city
 

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Comments

Matthew

Telapiais one of my favourite fish
And here is of my favourite recipes:
Ingredients
4 tilapia fillets
2 tablespoons olive oil
1 tablespoon Creole seasoning, or to taste
3 tablespoons butter
2 cloves garlic, minced
1 cup Alfredo sauce
I think that such a delicious dish is even worth of essay writing
Directions
Preheat an oven to 425 degrees F (220 degrees C).
Brush the tilapia fillets with oil on both sides, season with Creole seasoning to taste, then place into a 9x13-inch baking dish.
Bake in the preheated oven until the flesh is no longer translucent, and the fish flakes easily with a fork, about 10 minutes.
Meanwhile, melt the butter in a small saucepan over medium heat. Stir in the garlic, and cook until the garlic has softened and the aroma has mellowed, about 2 minutes. Stir in the Alfredo sauce and bring to a simmer. Reduce the heat to low, and keep warm until the fish is ready. Pour the sauce over the fish to serve. Sprinkle with additional Creole seasoning if desired.

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Making the Change

Key Learning Points

Urban fish farms can be created everywhere where space is available in the city, for example in abandoned warehouses 
 

Urban fish farms produce healthier fish than outside fish farms
 

Urban fish farms can be used to regenerate a neighbourhood, creating a new source of income
 

How to

Convert abandoned warehouses into aquaculture facilities
 

Grow hardy, popular fish like Tilapia using sustainable techniques
 

Provide jobs to local community members at facilities

Use some of the fish to feed the local homeless and hungry
 

Media

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On urban aquaculture: Professor Martin Schreibman wants to bring fish farms into the city. 

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Sustainability: Copenhagen Agenda: Working for Sustainable Cities

Climate change confronts our cities with massive challenges. The Copenhagen Agenda for Sustainable Cities tries to meet them.

Fact/Quote

…the world’s major environmental problems will only be solved through new ways of conceptualizing and running our cities, and the way we lead our urban lives […]

For this purpose, the most important thing is the collection and dissemination of best practices to assure that people in cities worldwide actually are informed about existing projects. That would be an indication that cities were becoming smart in the best sense of the world.

Herbert Girardet
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