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CONTINENT >
8
GEOGRAPHIC REGION >
POLAR
8
SEALS/SEA LIONS/WALRUSES
8
biota
8
ANIMALS/VERTEBRATES
7
BIOLOGICAL CLASSIFICATION
7
CARNIVORES
7
EARTH SCIENCE
7
MAMMALS
7
ANTARCTICA
6
BIOSPHERE
6
ECOLOGICAL DYNAMICS
6
FIELD SURVEYS
6
OCEAN >
6
SOUTHERN OCEAN
6
oceans
6
FIELD INVESTIGATION
5
SPECIES/POPULATION INTERACTIONS
5
AMD
4
AMD/AU
4
CEOS
4
CRYOSPHERE
4
SATELLITES
4
SEA ICE
4
SPECIES PREDATION
4
ALBATROSSES/PETRELS AND ALLIES
3
ANTARCTICA >
3
BIRDS
3
PENGUINS
3
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Antarc*
Antarctica
8
Elephant Seal
Elephant Seals
8
Southern Ocean
Weddell Seals
walrus*
8
Antarctic
7
Mirounga leonina
7
Sea ice
6
Southern Elephant Seal
6
Southern Elephant Seals
5
Weddell Seal
5
Adelie penguin
2
Antarctic Fur Seal
2
Antarctic Fur Seals
2
Antarctic Krill
2
Aptenodytes forsteri
2
Arctocephalus gazella
2
East Antarctica
2
Elephant Island
2
IPY
2
Macquarie Island
2
Pygoscelis adeliae
2
Emperor penguins
1
Giant Petrels
1
Heard Island
1
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