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However , in Limfjorden , Denmark , bottom water oxygen concentrations can vary greatly between weekly samplings ( SI Figure S6 ) , although nearly every year hypoxic conditions are observed somewhere in the Limfjorden .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Anatomy 
Text: {0} 
Answer:
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