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ANTARCTICA
BIOLOGICAL CLASSIFICATION
3
BIOSPHERE
3
CONTINENT >
3
EARTH SCIENCE
3
ECOLOGICAL DYNAMICS
FIELD SURVEYS
3
GEOGRAPHIC REGION >
3
OCEAN >
3
POLAR
3
SOUTHERN OCEAN
3
SPECIES/POPULATION INTERACTIONS
3
biota
3
environment
ANIMALS/VERTEBRATES
2
BIRDS
2
HABITAT CONVERSION/FRAGMENTATION
2
HUMAN DIMENSIONS
2
POPULATION DYNAMICS
2
SEABIRDS
2
SHIPS
2
STATIONS
2
STRIKES
2
URBANIZATION/URBAN SPRAWL
2
VISUAL OBSERVATIONS
2
oceans
2
AMD
1
AMD/AU
1
AMPHIPODS
1
ANIMALS/INVERTEBRATES
1
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