Earth & Environmental Sciences
fish
56%
Index of Biotic Integrity
48%
lake
46%
diet
45%
river
33%
piscivory
27%
water quality
26%
analysis
21%
trophic interaction
21%
temporal analysis
21%
morphometry
20%
dry season
20%
ontogeny
19%
volume change
19%
long-term change
18%
nutrient
17%
macroinvertebrate
17%
nitrate
16%
tributary
15%
niche breadth
14%
environmental quality
14%
partitioning
14%
temporal variation
14%
ammonium
14%
water level
14%
river basin
13%
drainage
12%
index
12%
trend
11%
surface water
11%
salinity
11%
groundwater
10%
nitrogen
10%
indicator
10%
niche overlap
9%
family
9%
fishery
9%
bioindicator
9%
zooplankton
8%
sodicity
8%
consumption
7%
groundwater extraction
7%
stomach content
7%
biochemical oxygen demand
7%
agriculture
7%
overexploitation
6%
water
6%
basin
6%
river channel
6%
prey selection
6%
Agriculture & Biology
Chirostoma
100%
lakes
65%
fish
39%
Atherinopsidae
34%
Mexico
28%
rivers
27%
diet
25%
water quality
24%
piscivores
24%
aquatic invertebrates
22%
trophic relationships
21%
surface water level
20%
fish communities
19%
Copepoda
19%
morphometry
19%
temporal variation
18%
zooplankton
18%
fisheries
16%
dry season
16%
ammonium
16%
ontogeny
16%
niches
15%
nitrates
14%
ecological differentiation
13%
indicator species
13%
nutrients
12%
nitrogen
10%
Diaphanosoma
9%
predation
9%
fish consumption
8%
indigenous species
7%
basins
7%
Gammaridae
7%
diet study techniques
6%
Baetidae
6%
prey species
6%
water
6%
human settlements
6%
discriminant analysis
5%
fins
5%
biochemical oxygen demand
5%
environmental quality
5%
monitoring
5%
environmental health
5%
biomass
5%
Hemiptera
5%
gills
5%
aquatic ecosystems
5%