Agriculture & Biology
waste management
100%
stoichiometry
87%
developing countries
56%
pollution
50%
omnivores
48%
nutrients
46%
eating habits
42%
diet
40%
recycling
37%
excretion
31%
vegetarian diet
25%
terrestrial ecosystems
24%
aquatic ecosystems
23%
sanitation
22%
food additives
22%
excreta
22%
infrastructure
21%
effluents
18%
households
18%
assimilation (physiology)
18%
human health
18%
ecosystems
14%
phosphorus
14%
nitrogen
11%
organisms
11%
Earth & Environmental Sciences
nutrient dynamics
98%
stoichiometry
85%
waste management
70%
diet
68%
excretion
27%
pollution
25%
nutrient
25%
recycling
20%
food additive
18%
consumption
18%
remineralization
16%
city
14%
sanitation
13%
terrestrial ecosystem
13%
aquatic ecosystem
12%
assimilation
11%
budget
11%
household
10%
human health
10%
infrastructure
9%
phosphorus
9%
effluent
9%
organism
8%
decision
8%
nitrogen
7%
ecosystem
7%
modeling
5%