Agriculture & Biology
water quality
58%
total phosphorus
53%
subwatersheds
51%
rivers
46%
total nitrogen
44%
land use
42%
nutrients
35%
Ethiopia
31%
nonpoint source pollution
22%
water quality standards
21%
meat processing
20%
industrial effluents
19%
forest land
19%
pollution load
19%
intensive farming
18%
environmental quality
18%
brewing industry
18%
industrialization
17%
remote sensing
17%
aquatic organisms
16%
Sub-Saharan Africa
16%
water supply
15%
irrigation water
14%
agricultural land
14%
sediments
13%
wet season
13%
nutrient content
12%
pollution
12%
livestock
12%
sampling
10%
farmers
10%
industry
9%
monitoring
9%
degradation
8%
Business & Economics
Water Quality
91%
River Basin
87%
Nutrients
71%
Phosphorus
53%
Nitrogen
47%
Ethiopia
26%
Land Use
24%
Sampling
24%
Pollution
20%
Agricultural Intensification
19%
Remote Sensing
17%
Agricultural Land Use
17%
Effluent
15%
Stewardship
14%
Sub-Saharan Africa
14%
Water Supply
14%
Irrigation
13%
Livestock
12%
Quality Standards
12%
Meat
12%
Information Use
12%
Environmental Quality
12%
Degradation
12%
Farming
11%
Median
11%
Industrialization
11%
Farmers
9%
Monitoring
8%
Industry
4%
Earth & Environmental Sciences
diffuse source
78%
point source
56%
river basin
45%
catchment
44%
water quality
38%
nutrient
38%
land
26%
phosphorus
25%
land use
23%
river
22%
nitrogen
21%
intensive farming
17%
diffuse pollution
16%
agricultural intensification
15%
environmental quality standard
15%
effect
13%
industrial effluent
13%
sampling
13%
city
13%
meat
12%
industrialization
12%
wet season
12%
livestock
11%
agricultural land
9%
water supply
9%
irrigation
9%
Africa
8%
pollution
7%
degradation
7%
remote sensing
7%
industry
7%
monitoring
6%
sediment
5%
Social Sciences
River basins
79%
Water quality
75%
river
56%
land use
43%
Ethiopia
31%
Irrigation water
23%
Agricultural land
19%
environmental quality
17%
water management
16%
quality standard
16%
industrialization
15%
farmer
13%
monitoring
10%
industry
8%
Chemical Compounds
Catchment
100%
Nutrient
62%
Phosphorus(.)
29%
Nitrogen
21%
Irrigation Water
19%
Sampling
19%
Industrial Effluent
14%
Pressure
13%
Industry
8%