Earth & Environmental Sciences
river
74%
nutrient
55%
modeling
49%
coastal water
46%
sea
44%
land
43%
eutrophication
40%
phosphorus
39%
energy crop
38%
river basin
37%
nitrogen
36%
rural policy
27%
learning
27%
Europe
26%
water quality
25%
aquatic system
23%
nutrient cycle
22%
pollution
22%
participatory approach
22%
oil
21%
trend
20%
pollutant
20%
world
19%
resource management
18%
human activity
18%
household
18%
fertilizer
17%
water management
17%
hydrological cycle
16%
oil production
16%
carbon cycle
16%
urbanization
16%
natural resource
16%
basin
15%
land use change
15%
greenhouse gas emissions
14%
river transport
14%
marine environment
14%
effect
13%
measuring
13%
recycling
13%
manure
13%
global model
12%
dam
12%
surface water
11%
plastic
11%
transition
10%
water pollution
10%
sewage
10%
crop production
10%
Engineering & Materials Science
Rivers
100%
Microplastic
57%
Nutrients
55%
Crops
41%
Eutrophication
38%
Biodiesel
35%
Phosphorus
33%
Nitrogen
28%
Fertilizers
23%
Water management
22%
Serious games
21%
Climate change
21%
Palm oil
20%
Natural resources
20%
Greenhouse gases
19%
Manures
19%
Pollution
18%
Gas emissions
17%
Water
17%
Education
14%
Animals
13%
Environmental management
11%
Sewage
11%
Agriculture
7%
Watersheds
7%
Soils
6%
Sewage treatment
6%
Ecosystems
6%
Natural resources management
5%
Water resources
5%
Plastics
5%
Social Sciences
river
49%
Water quality
43%
pollutant
38%
water
35%
Surface waters
25%
scenario
18%
social learning
16%
Thailand
15%
natural resources
15%
Indonesia
14%
China
12%
water pollution
11%
trend
11%
animal
10%
urbanization
10%
Drainage basins
10%
environmental management
9%
management
9%
interaction
8%
environmental impact
7%
energy
7%
sewage
6%
arable farming
6%
River transport
6%
budget
5%
Wastewater management
5%
farmer
5%
