Physical Sciences and Mathematics Commons^™

Gaps In Protection Of Important Ocean Areas: A Spatial Meta-Analysis Of Ten Global Mapping Initiatives, Natasha J. Gownaris, Christine M. Santora, John B. Davis, Ellen K. Pikitch

Environmental Studies Faculty Publications

To safeguard biodiversity effectively, marine protected areas (MPAs) should be sited using the best available science. There are numerous ongoing United Nations and non-governmental initiatives to map globally important marine areas. The criteria used by these initiatives vary, resulting in contradictions in the areas identified as important. Our analysis is the first to overlay these initiatives, quantify consensus, and conduct gap analyses at the global scale. We found that 55% of the ocean has been identified as important by one or more initiatives, and that individual areas have been identified by as many as seven overlapping initiatives. Using our overlay …