Agriculture & Biology
soil water
76%
infiltration (hydrology)
70%
ecosystems
67%
arid lands
64%
organisms
51%
rain
46%
biological resources
42%
duration
38%
global change
35%
soil nutrients
30%
phytomass
29%
fauna
25%
flora
25%
water
24%
physiology
24%
climate
23%
soil
15%
Earth & Environmental Sciences
soil moisture
55%
ecosystem
53%
resource
50%
organism
46%
infiltration
37%
biological resource
30%
ecosystem process
24%
soil nutrient
24%
physiology
22%
global change
22%
dwelling
22%
biological processes
22%
flora
20%
tolerance
20%
fauna
17%
rain
17%
demand
14%
rainfall
14%
transition
13%
biomass
13%
water
13%
land
12%
climate
12%
soil
9%
effect
5%
Medicine & Life Sciences
Ecosystem
100%
Soil
97%
Rain
25%
Water
24%
Biomass
22%
Climate
20%
Biological Phenomena
17%
Reproduction
17%
Reaction Time
17%
Nutrients
15%
Aptitude
12%
Growth
9%