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Ecology
2
Environmental sciences
2
GE1-350
QH540-549.5
american pika
1
biodiversity conservation
1
climate change
1
geographic distribution
1
great basin
1
livestock grazing
1
ochotona curzoniae
1
ochotona princeps
1
plateau pika
1
population extirpation
1
population occurrence
1
qinghai-tibetan plateau
1
rangeland degradation
1
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