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CONTINENT >
5
FIELD SURVEYS
5
GEOGRAPHIC REGION >
5
POLAR
5
SEALS/SEA LIONS/WALRUSES
5
biota
5
oceans
5
ANIMALS/VERTEBRATES
4
BIOLOGICAL CLASSIFICATION
4
BIOSPHERE
4
CARNIVORES
4
EARTH SCIENCE
4
ECOLOGICAL DYNAMICS
4
FIELD INVESTIGATION
4
MAMMALS
4
AMD
3
AMD/AU
3
ANTARCTICA
3
CEOS
3
EARTH SCIENCE >
3
MACQUARIE ISLAND
3
OCEAN >
3
SOUTHERN OCEAN
3
SOUTHERN OCEAN >
3
ANTARCTICA >
2
AQUATIC ECOSYSTEMS
2
ARGOS >
2
ARGOS Data Collection and Position Location System
2
BIOSPHERE >
2
COASTAL
2
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Antarc*
5
Antarctic
5
Antarctica
Elephant Seals
Southern Ocean
5
walrus*
5
Elephant Seal
4
Mirounga leonina
4
Sea ice
4
Weddell Seals
4
Macquarie Island
3
Southern Elephant Seal
3
Weddell Seal
3
Antarctic Krill
2
Elephant Island
2
IPY
2
Southern Elephant Seals
2
Heard Island
1
Leopard Seals
1
Marion Island
1
South Atlantic Ocean
1
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