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BIOSPHERE
5
EARTH SCIENCE
5
ECOLOGICAL DYNAMICS
5
ENVIRONMENT
biology
4
ANIMALS/VERTEBRATES
3
BEARS
3
BIOLOGICAL CLASSIFICATION
3
CARNIVORES
3
MAMMALS
3
polar bear capture
3
BEARHEALTH
1
BIOTA
1
CONTAMINANTS
1
ECOTOXICOLOGY
1
ENVIRONMENTAL IMPACTS
1
HUMAN DIMENSIONS
1
IPY
1
ecotoxicology
1
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