Earth & Environmental Sciences
river basin
50%
ephemeral stream
45%
ecosystem
38%
index
33%
in situ measurement
31%
indicator
29%
freshwater conservation
27%
biodiversity
23%
point source pollution
23%
transportation infrastructure
22%
flow regulation
22%
diffuse source
21%
habitat restoration
21%
nitrogen load
21%
decision process
20%
freshwater ecosystem
18%
spatial planning
18%
bioindicator
17%
macroinvertebrate
16%
basin
16%
chemical
16%
footprint
16%
river
16%
geomorphology
15%
connectivity
14%
hydrology
13%
conductivity
13%
North America
12%
human activity
12%
catchment
12%
watershed
11%
runoff
11%
valley
11%
land use
10%
water quality
10%
habitat
10%
water
9%
fish
9%
climate change
9%
effect
3%
Agriculture & Biology
Colorado River
100%
ephemeral streams
81%
ecosystems
49%
point source pollution
24%
basins
24%
biodiversity
21%
rivers
20%
geomorphology
20%
hydrology
17%
freshwater ecosystems
17%
stream channels
17%
macroinvertebrates
15%
habitat conservation
15%
runoff
14%
infrastructure
14%
anthropogenic activities
13%
indicator species
13%
water activity
13%
total nitrogen
13%
water quality
13%
land use
12%
planning
12%
valleys
12%
case studies
11%
climate change
11%
habitats
7%
fish
7%
water
5%
Business & Economics
River Basin
97%
Ecosystem
69%
Threat
49%
Integrity
34%
Biodiversity
17%
Habitat
15%
Pathway
14%
Conservation
11%
Water Quality
11%
Water
10%
Spatial Planning
10%
Spatial Scale
10%
Nitrogen
9%
Watershed
9%
Cumulative Effects
9%
Transportation Infrastructure
9%
Stressors
8%
Connectivity
8%
Climate Change
7%
Fish
7%
Land Use
7%
Impairment
7%
Enhancement
7%
Encompassing
7%
Decision Process
6%
Pollution
6%
Restoration
5%