Every week or so since we started this platform in 2011 we have had too many opportunities to highlight water-based ecological challenges and they seem to outnumber solutions. But it has been our goal to balance the highlighting, neither hiding our head in the sand nor claiming false equivalence between bad news and good.
Given all the challenges facing our oceans and waterways we are always heartened to hear of another initiative that involves collaboration between enterprise, youth and civic organizations. Click the image above or the one to the right to see what the Billion Oyster Project is doing in this regard. Thanks to National Public Radio (USA) for bringing this initiative to our attention:
Across New York City, more than 70 restaurants are tossing their oyster shells not into the trash or composting pile, but into the city’s eroded harbor. It’s all part of Billion Oyster Project’s restaurant shell-collection program.
The journey from trash to treasure begins after an oyster half shell is turned upside down and left on an icy tray. Once discarded, it joins hundreds of thousands of other half shells collected in blue bins and picked up (free of charge) from restaurants five days a week by Billion Oyster Project’s partner, The Lobster Place, a seafood supplier. The shells are trucked over to Brooklyn’s Greenpoint neighborhood and once a month are brought en masse to Governors Island in the heart of the New York Harbor, just yards away from both Brooklyn and Lower Manhattan. There, rolling shell hills sparkle in the sun while “curing” out in the elements for one year, a process that rids them of contaminants.
The shells then get a final cleaning and are moved to Billion Oyster Project’s hatchery at the Urban Assembly New York Harbor School, a public high school on Governors Island that offers technical and vocational training in the marine sciences. In an aquaculture classroom’s hatchery, student-grown oysters produce larvae in an artificially induced springtime environment. In one to two weeks, each larvae grows a “foot” — a little limb covered in a kind of natural glue — and then is moved to a tank full of the “cured” restaurant shells, which serve as anchors for all of those sticky feet. This phase is critical: If larvae can’t find a place to attach, they die. One reclaimed shell can house 10 to 20 new live oysters, depending on shell size.
Once the larvae have a foothold, they’re now “spat” and ready to begin their metamorphoses. “It’s remarkable,” says Madeline Wachtel, Billion Oyster Project’s director of Strategic Projects. “Using the calcium carbonate in the water, oysters build their own shells.”
While not all of the larvae will survive, the goal is to get at least five oysters clustered onto one restaurant shell — think flowering oyster bouquets. If the water is warm enough, mature oysters are moved to a reef structure — a cage or shellfish bag — that provides a stable area for oysters to fuse together and create a healthy reef in the New York Harbor.
Then, the oysters begin doing what oysters do — which, it turns out, is quite a lot. Oysters are natural water filters; each one cleans 30 to 50 gallons of water a day. They also provide food and shelter for all sorts of marine creatures, supporting biodiversity. “Oyster reefs provide great marine habitat, similar to coral reefs, with nooks and crannies to protect juvenile fish, and are active food for some species. They help to create a thriving ecosystem,” Wachtel says…
Read more here.