Topic
ANIMALS/VERTEBRATES
4
BIOLOGICAL CLASSIFICATION
4
CALL NUMBER
4
CALL TYPE
4
CONTINENT >
4
EARTH SCIENCE
4
FREQUENCY
4
GEOGRAPHIC REGION >
LEPTONYCHOTES WEDDELLII
4
LOCATION
4
MAMMALS
4
OVERLAP
4
POLAR
4
SOUTHERN OCEAN
4
biota
4
oceans
4
AMD
2
AMD/AU
2
ANTARCTICA
2
ANTARCTICA >
2
CALL DURATION
2
CALL SHAPE
2
CASSETTE
2
CEOS
2
Casey
2
DATE
2
DURATION
2
DURATION BETWEEN SEQUENTIAL CALLS
2
Davis
2
ELEMENT DURATION
2
ELEMENT NUMBER
2
ELEMENTS
2
FIELD SURVEYS
2
GEOGRAPHIC VARIATION
2
HYDROPHONES
2
INTERVAL DURATION
2
LARESMANN HILLS
2
METHODOLOGY
2
NUMBER OF ELEMENTS
2
OBSERVER
2
OCEAN >
2
STATION
2
TIME
2
UNDERWATER VOCALISATIONS
2
VESTFOLD HILLS
2
VOCALISATIONS
2
WAVEFORM
2
WEDDELL SEAL
2
YEAR
2