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ANTARCTICA
AQUATIC ECOSYSTEMS
biota
9
oceans
9
BIOSPHERE
8
CONTINENT >
8
EARTH SCIENCE
8
GEOGRAPHIC REGION >
8
POLAR
8
BIOLOGICAL CLASSIFICATION
6
FIELD SURVEYS
6
OCEAN >
6
BACTERIA/ARCHAEA
5
SEA ICE
5
AMD
4
AMD/AU
4
CEOS
4
CRYOSPHERE
4
ECOLOGICAL DYNAMICS
4
FIELD INVESTIGATION
4
OCEAN CHEMISTRY
4
PHYTOPLANKTON
4
PLANKTON
4
SOUTHERN OCEAN
4
environment
4
16S RRNA
3
ACTIVE LAYER
3
BACTERIA
3
BIOSPHERE >
3
DESERTS
3
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