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Alaska
10
Animals/Vertebrates
10
Biological Classification
10
Biosphere
10
Birds
10
Ducks/Geese/Swans
10
Ecological Dynamics
10
Environmental Conditions
10
Lead
10
Metapopulations
10
Population Dynamics
10
Somateria
10
Somateria fischeri
Species Life History
10
Species/Population Interactions
10
Spectacled Eider
10
Yukon Delta
10
Yukon Delta National Wildlife Refuge
10
biota
10
Kashunuk River
8
Kigigak Island
4
resight
4
Aythya
2
Aythya marila
2
Clangula
2
Clangula hyemalis
2
Colville River Delta
2
Indigirka River
2
Polysticta
2
Polysticta stelleri
2
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