Creating Reefs with Tanks and Ships

Posted by Scott A. On February - 8 - 2011

Photos and article found in the February 2011 issue of National Geographic magazine, on newsstands January 25

It’s been two weeks since I found myself talking with a great crew over at the National Geographic Society.  The topic was oceans, more specifically artificial reefs, and to be honest I was begging for something to get me back in the swing of discussing our seas.  Well, 14 days later, a layover in Denver, and a swipe of the forehead for finally catching up on a backlog of graduate classes, I’m ready to engage in a little ocean diversion.

Although I have not been personally involved in the creation of artificial reefs, the idea of restoring habitat is something that I do engage in quite frequently.  And just because these restoration projects involve burrowing owls and in some cases the installation of artificial burrows, were talking about communities, ecosystems, and species.  But unlike my work in a grasslands, building artificial reefs definitely involves a stunning array of….you name it.

“Even officially sanctioned ones are often created from distinctly odd materials, including decommissioned subway cars, vintage battle tanks, armored personnel carriers, oil drilling rigs, and specially designed beehivelike modules called Reef Balls (Relics to Reefs, National Geographic Society, Feb. 2011).”

After getting past the visuals of a submerged tank or ship, there are those concerned about the impact of artificial reefs on the biodiversity of natural reefs and the potential problems of increasing overfishing.  But, I’m going to forgo jumping into that debate for the time being, and instead take a moment to share a few photos, encourage you to check out the article, and allow you to weigh the pros and cons for yourself.

Photo: David Doubilet/National Geographic

 Upholstered with luminous sponges and corals, the bridge of the U.S. Coast Guard Cutter Duane attracts schools of smallmouth grunts—and divers. The ship was intentionally sunk in 1987 off Key Largo to create an artificial reef 120 feet deep.

Photo: David Doubilet/National Geographic

 In the Flower Garden Banks National Marine Sanctuary in the Gulf of Mexico, steel pillars supporting a gas platform make a vertical reef encrusted with tube sponges.

Photo: David Doubilet/National Geographic

 This M60 is one of a hundred tanks sunk in 1994 in a 1,200-square-mile zone of artificial reefs off the coast of Alabama. The 50-ton tanks survive hurricanes better than lighter, less stable objects.

*Photos posted with permission of the National Geographic Society.

7 Responses to “Creating Reefs with Tanks and Ships”

  1. [...] This post was mentioned on Twitter by EarthIslandInstitute and journowl, Michelle A.. Michelle A. said: RT @journowl: Creating Coral Reefs with Tanks and Ships #oceans #conservation [...]

  2. Mark says:

    It is already a part of the earth’s cycle. Nature will try itself to recycle what has been wrecked and use it retain the existence of life in that area. I like the formation at the flower garden banks. Is this area accessible to casual divers? I would love to go there and see the coral formations myself.
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  3. Thomas says:

    WOW!!These are awesome photos!!
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  4. Wow! This is amazing! The first photo was really impressive!I would love to explore the ocean and see different kind of corals.

  5. It is very hard to get your head around the thoughts of dumped vehicles etc at the bottom of the ocean. Yet nature does take a good hold on things very quickly and in the case of these reefs then it sounds like its only a good thing providing the initial infrastructure for marine life to grab a hold of :-)

  6. oh and BTW they are absolutely stunning photos. It must be great to be a diver to witness such beauty beneath the waves.Semi man made or not :-)

  7. Amit says:

    Awesome photos.. Loved it.

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