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alpine meadow(2)
denitrification(2)
nitrogen addition(2)
warming(2)
absorption(1)
acid deposition(1)
aerosol(1)
aerosol opitial depth(1)
agro-pastoral ecotone(1)
al cycling(1)
ammonia(1)
ammonia (nh3)(1)
aspen(1)
atmospheric n deposition(1)
atmospheric nitrogen deposition(1)
available nitrogen(1)
carbon(1)
carbon allocation(1)
carbon sequestration(1)
ch4 uptake(1)
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