Agricultura y biología
aquatic ecosystems
32%
aquatic habitat
100%
Characidae
18%
Characiformes
18%
conservation areas
13%
deforestation
16%
education programs
16%
environmental education
21%
fish
46%
freshwater fish
85%
freshwater fisheries
22%
gold
13%
habitats
15%
highlands
25%
museums
13%
natural history
14%
overfishing
18%
Peru
84%
rivers
43%
sampling
4%
Siluriformes
17%
Ciencias ambientales y de la tierra
aquatic ecosystem
19%
aquatic system
11%
catch per unit effort
12%
city
5%
deforestation
9%
drainage basin
10%
environmental education
13%
exotic species
12%
family
14%
fieldwork
10%
fish
49%
fishing effort
12%
gold
8%
habitat
50%
history
5%
inland fishery
15%
museum
10%
national reserve
15%
overfishing
12%
program
5%
project
5%
protected area
9%
public
6%
resource
11%
river
15%
river basin
15%
river system
9%
sampling
5%
water
3%