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Alaska
30
biomass
tundra
organic matter
29
populations
29
primary production
29
inorganic nutrients
25
disturbance
23
productivity
20
nitrogen
17
phosphorus
15
annual variation
4
calcium
4
carbon
4
magnesium
4
potassium
4
exclosure
3
leaf area
3
fertilize treatments
2
heath
2
nutrients
2
species diversity
2
Carbon dioxide flux
1
exclosures
1
mosses
1
producitivity
1
respiration
1
small mammal
1
wet sedge
1
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