Agriculture & Biology
soil parent materials
100%
topography
60%
mycorrhizae
60%
climate
45%
wet environmental conditions
37%
soil properties
28%
vesicular arbuscular mycorrhizae
19%
ectomycorrhizae
18%
mineral soils
17%
nutrients
17%
selection pressure
14%
soil
14%
soil organic matter
13%
minerals
10%
environmental factors
9%
fungi
8%
organisms
8%
Earth & Environmental Sciences
parent material
63%
topography
41%
climate
30%
soil
24%
ectomycorrhiza
17%
mineral property
17%
nutrient
14%
soil property
10%
fungus
10%
environmental conditions
8%
cold
8%
organism
7%
organic matter
7%
resource
6%
mineral
6%
distribution
4%
Medicine & Life Sciences
Climate
66%
Soil
62%
Mycorrhizae
18%
Minerals
18%
Nutrients
16%
Fungi
8%
Cold Temperature
8%
Pressure
6%