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phosphorus
nitrogen
53
inorganic nutrients
50
nutrients
38
carbon
35
alkalinity
32
dissolved organic carbon
32
tundra
27
NH4
24
PC
24
PN
24
PP
24
TDN
24
TDP
23
pH
23
CH4
22
CO2
22
DIC
22
DOC
22
conductivity
22
dissolved inorganic carbon
22
gas
22
particulates
22
temperature
22
Alaska
16
organic matter
16
biomass
15
populations
15
disturbance
14
nitrate
14
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