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Age
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Age composition
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Age structure
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Alaska
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Biota
1
Gates of the Arctic National Park Alaska
1
Growth
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Katmai National Park Alaska
1
Kodiak National Wildlife Refuge Alaska
1
Lake Clark National Park
1
Phenology
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Population and community ecology
1
Population structure
Ursus
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animals
arctos
bears
carnivores
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mammals
1
vertebrates
1
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