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Ecology
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Environmental sciences
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GE1-350
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QH540-549.5
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american pika
2
climate change
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envir
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geo
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geographic distribution
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great basin
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krummholz
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ochotona princeps
2
pinus albicaulis
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population extirpation
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population occurrence
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radial growth
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sierra nevada
2
treeline
2
whitebark pine
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