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carbon
tundra
CO2 flux
9
Carex rupestris
9
Dryas integrifolia
9
Salix arctica
9
arctica
9
ecosystem
9
integrifolia
9
polar semi-desert
9
rupestris
9
stable isotopes
9
vegetation change
9
nitrogen
6
permafrost
6
soil
6
fire ecology
5
fuscum
5
arctic
4
cryostratigraphy
4
fire
4
Alaska
3
active layer
2
boreal
2
borehole
2
bulk density
2
isotopes
2
soil moisture
2
13C-DIC
1
CH4
1
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