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J. Mar. Sci. Eng. 2017, 5(4), 48; doi:10.3390/jmse5040048

Biorock Electric Reefs Grow Back Severely Eroded Beaches in Months

1
Global Coral Reef Alliance, 37 Pleasant Street, Cambridge, MA 02139, USA
2
Biorock Indonesia, Bali 80361, Indonesia
3
Pulau Gangga Dive Resort, Sulawesi 95253, Indonesia
*
Author to whom correspondence should be addressed.
Received: 18 June 2017 / Revised: 25 September 2017 / Accepted: 27 September 2017 / Published: 11 October 2017
(This article belongs to the Special Issue Coastal Sea Levels, Impacts and Adaptation)
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Abstract

Severely eroded beaches on low lying islands in Indonesia were grown back in a few months—believed to be a record—using an innovative method of shore protection, Biorock electric reef technology. Biorock shore protection reefs are growing limestone structures that get stronger with age and repair themselves, are cheaper than concrete or rock sea walls and breakwaters, and are much more effective at shore protection and beach growth. Biorock reefs are permeable, porous, growing, self-repairing structures of any size or shape, which dissipate wave energy by internal refraction, diffraction, and frictional dissipation. They do not cause reflection of waves like hard sea walls and breakwaters, which erodes the sand in front of, and then underneath, such structures, until they collapse. Biorock reefs stimulate settlement, growth, survival, and resistance to the environmental stress of all forms of marine life, restoring coral reefs, sea grasses, biological sand production, and fisheries habitat. Biorock reefs can grow back eroded beaches and islands faster than the rate of sea level rise, and are the most cost-effective method of shore protection and adaptation to global sea level rise for low lying islands and coasts. View Full-Text
Keywords: beach restoration; erosion protection; corals; sea grass; reefs; Biorock electric technology; sea level rise; porous & permeable breakwaters; sand production; climate change beach restoration; erosion protection; corals; sea grass; reefs; Biorock electric technology; sea level rise; porous & permeable breakwaters; sand production; climate change
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Goreau, T.J.F.; Prong, P. Biorock Electric Reefs Grow Back Severely Eroded Beaches in Months. J. Mar. Sci. Eng. 2017, 5, 48.

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