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organic matter
33
populations
primary production
Alaska
30
tundra
30
biomass
29
inorganic nutrients
29
disturbance
27
productivity
20
nitrogen
16
phosphorus
14
annual variation
4
calcium
4
carbon
4
leaf area
4
magnesium
4
potassium
4
exclosure
3
exclosures
2
fertilize treatments
2
heath
2
moist acidic tundra
2
moist non-acidic tundra
2
nutrients
2
small mammal
2
species diversity
2
Betula nana
1
growth
1
leaf nutrients
1
litter nutrients
1
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