Earth & Environmental Sciences
secondary succession
95%
species pool
91%
old field
48%
pioneer species
48%
deciduous forest
38%
climate
37%
soil fertility
37%
seedling
35%
soil
29%
rate
22%
survivorship
21%
latitudinal gradient
21%
ecosystem
20%
community dynamics
20%
plant community
16%
colonization
16%
soil property
15%
seed
15%
experimental study
13%
environmental conditions
13%
North America
13%
rainfall
10%
climate change
10%
trend
8%
temperature
6%
distribution
6%
analysis
4%
Agriculture & Biology
secondary succession
100%
pioneer species
58%
climate
55%
deciduous forests
52%
soil fertility
43%
soil
35%
ecosystems
35%
soil properties
23%
seedling growth
22%
plant communities
22%
climate change
19%
survival rate
19%
geographical distribution
18%
rain
18%
environmental factors
14%
seedlings
14%
seeds
12%
temperature
9%
Medicine & Life Sciences
Climate
80%
Soil
75%
Seedlings
72%
Forests
55%
Ecosystem
51%
Plant Dispersal
45%
Fertility
43%
Climate Change
32%
North America
25%
Seeds
23%
Growth
23%
Temperature
16%