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Picea glauca
53
Growth limitation hypothesis
52
boreal forest
52
permafrost
52
tundra-taiga ecotone
52
Picea Picea glauca
46
glauca
6
13C
1
15N
1
Alaska
1
Arctic
1
Brooks Range
1
adult growth rate
1
air temperature
1
boreal forest advance
1
cone counts
1
foliar N
1
foliar P
1
foliar nutrients
1
forest tundra ecotone
1
sea ice retreat
1
seedling growth rate
1
seedling to sapling recruitment
1
snow
1
soil moisture
1
soil temperature
1
treeline
1
white spruce
1
winter
1
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