Earth & Environmental Sciences
water conservation
69%
protected area
58%
phosphorus
47%
transect
45%
refuge
42%
macrophyte
40%
vegetation
39%
national park
35%
wildlife
34%
soil
28%
water quality
26%
plant community
25%
canal
24%
wetland
20%
nutrient enrichment
15%
sampling
14%
shark
14%
soil nutrient
14%
marsh
12%
community composition
12%
eutrophication
11%
plant species
11%
species richness
11%
agricultural land
10%
environmental impact
10%
restoration
9%
tissue
9%
nutrient
8%
biomass
8%
river
6%
comparison
5%
analysis
3%
Medicine & Life Sciences
Conservation of Water Resources
100%
Soil
71%
Phosphorus
70%
Recreational Parks
50%
Water Quality
47%
Wetlands
46%
Typhaceae
42%
Nutrients
28%
Eutrophication
19%
Sharks
15%
Biomass
13%
Rivers
13%
Engineering & Materials Science
Water conservation
87%
Phosphorus
79%
Soils
51%
Nutrients
41%
Water quality
40%
Wetlands
33%
Canals
27%
Eutrophication
18%
Sampling
15%
Chemical analysis
14%
Rivers
10%
Restoration
10%
Environmental impact
10%
Biomass
9%
Tissue
9%
Chemical Compounds
Soil
55%
Phosphorus(.)
54%
Nutrient
35%
Sampling
18%
Eutrophication
17%
Time
7%