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disturbance
populations
Alaska
36
tundra
34
inorganic nutrients
27
organic matter
27
primary production
27
biomass
23
nitrogen
16
productivity
16
phosphorus
14
Percent cover
8
diversity
8
relative abundance
8
annual variation
4
calcium
4
carbon
4
magnesium
4
potassium
4
exclosure
3
growth
3
leaf area
3
plant phenology
3
Betula nana
2
exclosures
2
fertilize treatments
2
heath
2
moist acidic tundra
2
moist non-acidic tundra
2
nutrients
2
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