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Electrifying Reef Growth

by TFH Magazine on December 28, 2011 at 8:07 am

A reef in Bunaken, Indonesia. Photograph by James Fatherree.

The overwhelming number of threats facing coral reefs today require quick, effective action before the reefs are wiped out entirely. A main concern is how to regrow corals following a traumatic event, such as bleaching or storm damage.

One method to grow corals in situ that is being used in Bali is known as Biorock. Basically a domed structure made out of metal is placed on the area where the corals are supposed to grow, and a low-level electric current is run through it. As German marine architect Wolf Hibertz discovered, the electricity causes dissolved minerals to crystallize  on the metal. Marine Biologist and President of the Global Coral Reef Alliance, Thomas J. Goreau, found the result is encrusting white limestone for corals to settle on and that the corals grow much faster on Biorock than they would if the reef was left as is. Below is a video of the reef grown on Biorock.

Source: http://futureoftech.msnbc.msn.com/_news/2011/12/27/9744623-electrified-cages-jolt-coral-reef-survival

 

Posted in Aquatic Videos by TFH Magazine on December 28th, 2011 at 8:07 am.

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