Earth & Environmental Sciences
river
94%
river system
36%
silver
24%
program
23%
population dynamics
21%
backwater
20%
chronology
20%
habitat
15%
natural resource
15%
population characteristics
15%
survey design
14%
preserve
14%
mesocosm
12%
wildlife
11%
lake
11%
mortality
10%
trend
10%
fishing
9%
trajectory
8%
river basin
8%
biomass
8%
dam
8%
services
8%
rate
8%
monitoring
7%
index
7%
relative abundance
6%
detection
6%
long-term trend
6%
body condition
5%
project
5%
tributary
5%
fishery management
5%
Agriculture & Biology
Mississippi River
42%
rivers
40%
Illinois River
33%
Ictiobus bubalus
21%
fish
21%
demographic statistics
20%
Aplodinotus grunniens
19%
floodplains
19%
Dreissena bugensis
18%
fish communities
17%
Micropterus
17%
Lake Michigan
15%
Lepomis macrochirus
14%
Ictalurus punctatus
13%
bass
13%
water management
12%
spatial variation
12%
zooplankton
11%
trajectories
11%
Ohio River
10%
multidimensional scaling
10%
monitoring
9%
mussels
8%
fisheries management
6%
lakes
5%
habitats
5%
