7835
The goals are to : " ( 1 ) detect and record significant changes in critical components of the marine ecosystem within the Convention Area , to serve as a basis for the conservation of Antarctic marine living resources ; and ( 2 ) distinguish between changes due to harvesting of commercial species and changes due to environmental variability , both physical and biological . "
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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:
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