Agricultura y biología
aquatic environment
7%
bioaccumulation factor
8%
depuration
65%
Eichhornia crassipes
62%
eutrophication
8%
metals
37%
Mexico
40%
migratory birds
8%
plague
8%
plant residues
8%
sampling
2%
sediment contamination
11%
sediments
32%
water
5%
water content
4%
wetlands
48%
Medicina y ciencias biológicas
Bioaccumulation
12%
Eichhornia
100%
Eutrophication
14%
Metals
42%
Mexico
52%
Plague
10%
Poisons
36%
Water
16%
Weights and Measures
5%
Wetlands
69%
Ciencias ambientales y de la tierra
aquatic environment
7%
bioaccumulation
8%
city
4%
contamination
5%
depuration
64%
eutrophication
7%
geoaccumulation index
11%
index
12%
metal
9%
need
4%
plant residue
11%
sediment
23%
sustainable management
8%
toxic metal
55%
translocation
8%
water
7%
water hyacinth
44%
waterfowl
10%
wetland
38%
Ciencias sociales
environmental pollution
7%
management
3%
Mexico
39%
threat
4%
water
38%
wetland
65%
Química
Bioaccumulation
16%
Environment
6%
Eutrophication
19%
Metal
22%
Toxic
37%
Weight
6%