Agriculture & Biology
Appalachian region
100%
A horizons
77%
soil organic matter
74%
population distribution
63%
correspondence analysis
60%
vegetation
58%
Oxydendrum arboreum
51%
Rhododendron maximum
46%
Quercus coccinea
45%
Nyssa sylvatica
45%
Pinus rigida
42%
Quercus velutina
41%
Quercus montana
40%
Tsuga canadensis
38%
Liriodendron tulipifera
36%
Acer rubrum
34%
geographic information systems
32%
clay soils
30%
soil depth
28%
basins
24%
solar radiation
22%
growing season
21%
geographical distribution
20%
habitats
15%
soil
13%
temperature
10%
methodology
7%
Earth & Environmental Sciences
vegetation
47%
correspondence analysis
34%
soil organic matter
29%
mapping method
19%
ordination
17%
soil depth
16%
azimuth
15%
growing season
14%
solar radiation
13%
GIS
12%
organic matter
10%
habitat
9%
laboratory
8%
basin
7%
soil
6%
temperature
5%