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2013 Ocean Health Index shows food provision remains an area of great concern
Date:10/19/2013

inable yield. For mariculture, the number of tonnes of product per coastal inhabitant living within 31 miles of the coast is calculated for each country, and all countries above the 95th percentile receive scores of 100. Countries that have never had mariculture are not scored.

"Seafood is a major source of protein for one-third of the world's population, and it is estimated we will need 70 percent more food by 2050 to feed the growing population," said Daniel Pauly, principal investigator of the Sea Around Us project and leader of the University of British Columbia team of science contributors to OHI. "The score of 33 out of 100 for food provision indicates we are not ready to meet that challenge."

The 2013 OHI also assessed coastal protection, giving it a score of 69 out of 100 and indicating that further declines are likely. Coastal habitats including mangrove forests, sea-grass beds and salt marshes, coral reefs and sea ice protect coastlines from storm surges and coastal flooding. Forty-five countries that sit in the annual path of tropical cyclones had an average score of 52 out of 100. A score below 100 indicates a decline in area and condition of key natural habitats that protect shorelines from storms.

Among those cyclone-prone countries with a population exceeding 10 million people, the average coastal protection score is only 51 compared to the global average score of 69. The score was down slightly (-0.2 percent) from 2012 and the OHI calculates that the likely future status will decrease by 1 percent in the coming five years.

"Restoring natural protective habitats in storm-prone regions, in combination with sensible coastal planning and creative civil engineering, is essential," said Greg Stone, a leading authority on marine conservation policy and ocean health issues and executive vice president at Conservation International's Betty and Gordon Moore Center for Science and Oceans.

Wealthy countries have the
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Contact: Julie Cohen
julie.cohen@ia.ucsb.edu
805-893-7220
University of California - Santa Barbara
Source:Eurekalert  

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