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primary production
tundra
Alaska
31
organic matter
30
populations
30
biomass
29
inorganic nutrients
26
disturbance
25
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
nutrients
2
small mammal
2
species diversity
2
arctic region
1
arctic tundra
1
chamber
1
ecosystem respiration
1
ecosystems
1
gross primary production
1
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