New study reveals important yet unprotected global ocean areas

phys.org | 10/14/2019 | Staff
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The largest synthesis of important marine areas conducted to date reveals that a large portion of Earth's oceans are considered important and are good candidates for protection. A first of its kind, the study was conducted by a multidisciplinary team of researchers including Ellen Pikitch, Ph.D., and Christine Santora of Stony Brook University and Dr. Natasha Gownaris, a Ph.D. graduate of Stony Brook University. The team examined 10 diverse and internationally recognized maps depicting global marine priority areas. The findings, published in Frontiers in Marine Science, may serve as a roadmap for the goal set by the United Nations to create 10 percent of the ocean as marine protected areas (MPAs) by 2020.

There are numerous ongoing United Nations and nongovernmental initiatives to map globally important marine areas. Such areas may be identified because of their high biodiversity, threatened or vulnerable species, or relatively natural state. Criteria used for mapping vary by initiative, resulting in differences in areas identified as important. This paper is the first to overlay mapping initiatives, quantify consensus, and conduct gap analyses at the global scale.

Analysis - Percent - Ocean - Mapping - Initiatives

The analysis found that 55 percent of the ocean has been identified as important by at least one of the mapping initiatives (58 percent of this area is within national jurisdiction and 42 percent is in the high seas). More than 14 percent of the ocean was identified as important by between two and four maps, and a gap analysis showed that nearly 90 percent of this area is currently unprotected. The largest of these important but unprotected areas were located in the Caribbean Sea, Madagascar and the southern tip of Africa, the Mediterranean Sea, and the Coral Triangle region. Nearly all area identified by five or more maps is...
(Excerpt) Read more at: phys.org
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