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Alaska
23
biomass
disturbance
inorganic nutrients
23
organic matter
23
populations
23
primary production
23
tundra
nitrogen
15
productivity
15
phosphorus
13
annual variation
4
calcium
4
carbon
4
magnesium
4
potassium
4
exclosure
3
fertilize treatments
2
heath
2
leaf area
2
nutrients
2
exclosures
1
producitivity
1
small mammal
1
wet sedge
1
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