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    Urban Aquaculture, A Local Answer to Sustainable Seafood?

    The latest trend for the environmental sustainability has been to bring food sources closer to densely populated areas, e.g. cities. I am academically trained in finance and economics, as such I am a big proponent of specialization leading to simple economies of scale. For urban food programs like this to be successful they must make [...]

    The latest trend for the environmental sustainability has been to bring food sources closer to densely populated areas, e.g. cities. I am academically trained in finance and economics, as such I am a big proponent of specialization leading to simple economies of scale. For urban food programs like this to be successful they must make productive use of space, and be efficient in the entire sense of the word.

    The idea of urban grown food is not something new. It is a dream and ideal that many are waiting to see some to life, but a few are actively trying to make it a reality. In Chicago we’ve seen green die hards / poorgeoisie go to the extent of  urban / alley chicken coops; I kid you not. In the hipster locale of Bucktown, on one block you can her a cluck or two every now and then. If you have the time, space and money more power to you. There is a pleasure gained from caring and growing your own food (chicken eggs in this case.) However, these little urban farms are expensive, messy an ultimately inefficient.

    I have always dreamed of a synergistic agriculture – aquaculture farm that was sustainable both environmentally and economically. Last week I stumbled across this great video, showing Martin Shreibman’s sustainable aquaculture system at Brooklyn University. While other aquaculture systems can pollute local waters via waste and run off, this system utilizes plants to turn nutrient fish waste into beneficial plant biomass.

    Obvious hurdles aside, its great to see curious minds making dreams into a reality. It’s just a start… it has to from somewhere.

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    • Nicholas Sadaka

      I don’t have sound, so I can’t watch the video, but just from what Eric has written, from a layperson like myself that doesn’t know much about the subjects, it would seem like aquacultured fish water could be used as water/nutrients for growing some kinds of crops. I know I use any water from freshwater aquariums or ponds to water plants (as well as giving a lot of it to friends with green thumbs that use the water to water plants with very good results) and it’s always worked very well. It seems like growing crops and raising freshwater fish should go pretty hand-in-hand in that aspect, but again, admittedly I don’t know enough to maybe recognize the potential pitfalls. Just seems like we should figure out every way possible to recycle and reuse absolutely any and all of our resources. If something is produced, that is considered “trash”, we should think of every possibility of ways to turn the trash into something useful. They should have jobs for people just brainstorming uses for wastes nowadays.

    • Matt

      Eric,

      Nice to see someone else in the hobby with a background in economics and finance!

      I know that there has been a lot done in Florida with farm-raised Tilapia, Adey’s talks about this at length in his book, “Dynamic Aquaria”. For us Americans in the northern part of the country, I don’t think we’d have an adequate growing season, however for the southern half of the US, I have to imagine that this could be a significant economic boom, however, I have no data to back that up.

    • cp

      Eric, very nice writeup on your own experiences with local sustainability practices. It really framed the content of the video quite appropriately.

      I wish I could agree with Martin (in the video) in his assessment that people will pay more for an environmentally responsible, aquacultured product. The cynic in me says that so few Americans reap a psychological benefit to offset the added cost of being conscious of human impact on ecology. When it comes to civic responsibilities (lessening environmental impact being one of them), people overwhelmingly look at the cost in terms of $ and can’t find a way to quantify the value of projects like these without a tangible impact on their daily well-being. It’ll probably take some kind of culture shift to bring about effectual attitudes, and changing the culture of consumerism is a daunting task.

      Still, it would be nice to see people take up these attitudes due to their involvement in the hobby. As it applies more directly to reefing, it’d be nice to see folks emphasize the reduced environmental impact of buying aquacultured fish and coral frags the next time they sell something online. That message is too often lost in the hype around trade names and the interest in making a sale.

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