Agriculture & Biology
Pinus ponderosa
100%
vegetation
57%
Lathyrus
44%
Southwestern United States
41%
Festuca
38%
Muhlenbergia montana
32%
Festuca arizonica
29%
soil parent materials
27%
volcanic activity
25%
geographical distribution
24%
volcanic soils
24%
Phacelia
24%
Sporobolus
24%
Bouteloua gracilis
23%
silt loam soils
20%
soil resources
20%
environmental factors
19%
soil texture
18%
topography
16%
discriminant analysis
15%
soil
15%
species abundance
15%
plant communities
14%
soil water
13%
grasses
11%
water
6%
Earth & Environmental Sciences
vegetation
46%
loam
21%
soil
20%
plant species
17%
soil resource
11%
parent material
10%
soil texture
10%
discriminant analysis
10%
plant community
9%
community composition
9%
silt
8%
grass
8%
soil moisture
7%
topography
7%
distribution
6%
water
2%