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ANTARCTICA
7
CONTINENT >
7
GEOGRAPHIC REGION >
POLAR
7
SEALS/SEA LIONS/WALRUSES
7
biota
7
ANIMALS/VERTEBRATES
6
BIOLOGICAL CLASSIFICATION
6
BIOSPHERE
6
CARNIVORES
6
EARTH SCIENCE
6
ECOLOGICAL DYNAMICS
6
MAMMALS
6
oceans
6
FIELD SURVEYS
5
SPECIES/POPULATION INTERACTIONS
5
AMD
4
AMD/AU
4
CEOS
4
ECOSYSTEM FUNCTIONS
4
SPECIES PREDATION
4
ANTARCTICA >
3
OCEAN >
3
SOUTHERN OCEAN
3
SURVIVAL RATES
3
VISUAL OBSERVATIONS
3
AGE
2
ALBATROSSES/PETRELS AND ALLIES
2
AQUATIC ECOSYSTEMS
2
BIOSPHERE >
2
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Antarc*
Antarctica
7
Elephant Seal
Weddell Seal
Weddell Seals
walrus*
7
Antarctic
6
Elephant Seals
5
Mirounga leonina
5
Southern Elephant Seals
5
Southern Ocean
5
Adelie penguin
4
Sea ice
4
Southern Elephant Seal
3
Antarctic Fur Seal
2
Antarctic Fur Seals
2
Aptenodytes forsteri
2
Arctocephalus gazella
2
East Antarctica
2
Leopard Seal
2
Leopard Seals
2
Leptonychotes weddelli
2
Prydz Bay
2
Pygoscelis adeliae
2
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