4462
These values are not outstandingly high , compared to very productive areas like the North Sea or upwelling regions , but the area over which it takes place is enormous , even compared to other large primary producers such as rainforests .
 location: North Sea
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 location: North Sea