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18738 Studies found for: during AND continuous

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Map Legend
Region Name Number of Studies
World 18,738
Africa [map] 700
Central America [map] 265
East Asia [map] 1,996
Japan 472 [studies]
Europe [map] 6,170
Middle East [map] 1,059
North America 8,830
Canada [map] 1,731 [studies]
Mexico 367 [studies]
United States [map] 7,794 [studies]
North Asia [map] 605
Pacifica [map] 696
South America [map] 798
South Asia [map] 352
Southeast Asia [map] 467

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Studies with no locations are not included in the counts or on the map.

Studies with multiple locations are included in each region containing locations.