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globalchange

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alaska(1)
arctic tundra(1)
arthropods(1)
canopy phenology(1)
climate change(1)
co2 flux(1)
deciduous shrub abundance(1)
gambel's white-crowned sparrow (zonotrichia leucophrys gambelii)(1)
habitat(1)
lapland longspur (calcarius lapponicus)(1)
migratory songbirds(1)
net ecosystem exchange(1)
normalized difference vegetation index (ndvi)(1)
shrubs(1)