Agricultura y biología
lotic systems
80%
Peru
59%
aquaculture
53%
United States Environmental Protection Agency
49%
rivers
45%
metals
43%
heavy metals
33%
iron
28%
water quality standards
27%
river water
24%
fish culture
22%
aquatic organisms
21%
arsenic
20%
discriminant analysis
19%
dry season
17%
wet season
17%
cluster analysis
17%
spectroscopy
17%
statistical analysis
16%
water
15%
copper
15%
zinc
15%
fish
10%
methodology
5%
Medicina y ciencias biológicas
Aquaculture
77%
Peru
73%
Rivers
70%
Metals
49%
Poisons
42%
United States Environmental Protection Agency
41%
Heavy Metals
34%
Water
28%
Fishes
26%
Iron
24%
Atomic Spectrophotometry
20%
Arsenic
17%
Agriculture
16%
Discriminant Analysis
16%
Copper
14%
Zinc
13%
Lead
13%
Cluster Analysis
12%
Ciencias ambientales y de la tierra
toxic metal
64%
aquaculture
57%
watershed
42%
river
28%
heavy metal
27%
fish farming
25%
iron
25%
spectrophotometry
22%
Food and Agricultural Organization
21%
discriminant analysis
20%
quality standard
19%
cluster analysis
17%
dry season
17%
river water
17%
arsenic
17%
zinc
15%
copper
13%
water
11%
fish
11%
methodology
11%
analysis
5%
method
4%
Ciencias sociales
River watershed
100%
aptitude
62%
Peru
59%
river
55%
water
33%
FAO
19%
discriminant analysis
16%
quality standard
16%
statistical method
15%
cluster analysis
14%
WHO
13%
methodology
7%