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CONTINENT >
FIELD INVESTIGATION
12
GEOGRAPHIC REGION >
12
LABORATORY
OCEAN >
12
POLAR
12
SOUTHERN OCEAN
biota
oceans
12
BIOLOGICAL CLASSIFICATION
10
EARTH SCIENCE
10
AMD
8
AMD/AU
8
BIOSPHERE
8
CEOS
8
ECOLOGICAL DYNAMICS
7
FIELD SURVEYS
7
environment
7
ANTARCTICA
6
ANTARCTICA >
6
OCEAN CHEMISTRY
6
CARBON DIOXIDE
5
CONTAMINANT LEVELS/SPILLS
5
OCEAN CONTAMINANTS
5
PHYTOPLANKTON
5
ACE/CRC
4
ANIMALS/INVERTEBRATES
4
ARTHROPODS
4
CRUSTACEANS
4
ECOTOXICOLOGY
4
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