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nitrogen cycling
ATMOSPHERIC NITROGEN
1
Arctic warming
1
BIOLOGICAL NITROGEN-FIXATION
1
CARBON-ISOTOPE DISCRIMINATION
1
COMMUNITY COMPOSITION
1
DINITROGEN FIXATION
1
EXPERIMENTAL WARMING ALTERS
1
LITTER DECOMPOSITION
1
N-15 NATURAL-ABUNDANCE
1
SEASONAL-VARIATION
1
SUB-ARCTIC BRYOPHYTE
1
acetylene reduction assay
1
carbon sequestration
1
decomposition
1
delta C-13
1
delta N-15
1
functional genes
1
meta-barcoding
1
mosses
1
mycorrhizal type
1
soil fungal communities
1
stable isotopes
1
subarctic tundra ecosystems
1
treeline ecotone
1
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