Earth & Environmental Sciences
biotic interactions
92%
forest ecosystem
70%
shrub
66%
seedling
47%
ecophysiology
9%
ecological theory
8%
ecological community
8%
ecosystem
7%
facilitation
7%
effect
7%
understory
7%
removal
7%
sandy soil
6%
pine
5%
canopy
5%
nutrient
4%
vegetation
4%
resource
3%
Agriculture & Biology
forest ecosystems
83%
shrubs
63%
shade
29%
seedlings
24%
ecosystems
10%
Pinus resinosa
9%
Betula papyrifera
9%
Pinus strobus
9%
ecological communities
9%
Pinus banksiana
8%
Quercus rubra
8%
Acer rubrum
8%
ecophysiology
8%
coniferous forests
7%
sandy soils
7%
understory
6%
seedling growth
6%
canopy
5%
vegetation
4%
nutrients
3%
Medicine & Life Sciences
Forests
87%
Ecosystem
81%
Growth
18%
Quercus
15%
Acer
15%
Pinus
14%
Biota
14%
Betula
12%
Soil
9%
Nutrients
7%
Population
3%