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EARTH SCIENCE
oceans
16
ANTARCTICA
12
CONTINENT >
12
GEOGRAPHIC REGION >
12
OCEAN >
12
POLAR
12
R/V AA >
12
R/V Aurora Australis
12
SOUTHERN OCEAN
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biota
12
OCEAN CHEMISTRY
11
SIPEX
9
SIPEX II
9
AQUATIC ECOSYSTEMS
8
BIOSPHERE
8
INDIAN OCEAN
8
PLANKTON
8
SALINITY
8
ACE/CRC
7
AMD
7
AMD/AU
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CEOS
7
OCEAN TEMPERATURE
7
ANIMALS/INVERTEBRATES
6
ARTHROPODS
6
BIOLOGICAL CLASSIFICATION
6
CRUSTACEANS
6
SALINITY/DENSITY
6
SEA ICE
6
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