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31806 Studies found for: Studies With Results
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Map Legend
Region Name   Number of Studies
World 31,806  
Africa   [map]   1,177  
Central America   [map]   892  
East Asia   [map]   3,135  
Japan 1,241   [studies]
Europe   [map]   6,980  
Middle East   [map]   1,378  
North America 22,455  
Canada   [map]   3,316   [studies]
Mexico 1,068   [studies]
United States   [map]   21,543   [studies]
North Asia   [map]   1,724  
Pacifica   [map]   1,707  
South America   [map]   1,823  
South Asia   [map]   858  
Southeast Asia   [map]   1,132  

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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.