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Age ratio
Baltic Sea
2
Long-tailed duck
2
Sex ratio
2
distribution
2
population growth
2
1181 Ecology
1
AGE RATIOS
1
ANAS-PENELOPE
1
AUTUMN MIGRATION
1
Breeding success
1
Clangula hyemalis
1
Climate
1
Ecology
1
Ekologi
1
GEESE
1
Hunting bag
1
NORTH-ATLANTIC OSCILLATION
1
NUMBERS
1
PRESSURE
1
Temperature
1
VARIABILITY
1
WATERBIRDS
1
evolutionary biology
1
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