Earth & Environmental Sciences
habitat
67%
desert
65%
riparian forest
64%
bird
61%
lizard
54%
vegetation
43%
wildlife
43%
biocontrol agent
38%
economic cycle
36%
reproductive behavior
34%
defoliation
30%
toad
30%
resource depletion
30%
river
30%
leaf litter
28%
nanomaterial
26%
beetle
25%
amphibian
25%
disturbance
25%
refuge
24%
hazardous waste
24%
breeding
23%
infrastructure
22%
resource
22%
ranking
21%
food web
21%
ecosystem
21%
streamflow
20%
mammal
20%
canopy
20%
sewage
19%
coating
19%
alga
19%
environmental factor
19%
seasonal variation
19%
life cycle
18%
sorption
18%
climate
18%
land cover
18%
trend
18%
index
18%
removal
18%
document
17%
water resource
17%
surface water
17%
carbon sequestration
16%
health
16%
wildfire
15%
public
15%
land use
15%
services
14%
satellite imagery
14%
temperature
14%
groundwater
14%
evapotranspiration
13%
pollutant
13%
solar radiation
13%
trophic level
13%
carbon
13%
air
12%
solar energy
12%
cellulose
11%
song
11%
habitat use
11%
test
10%
habitat structure
9%
humidity
9%
species diversity
9%
economic support
9%
foliage
8%
vegetation cover
8%
ecosystem process
8%
river channel
8%
agriculture
8%
attribute
8%
ecosystem function
8%
substrate
7%
animal
7%
vegetation index
7%
woodland
7%
income
7%
fighting
7%
underground storage
7%
floodplain
7%
effect
7%
MODIS
6%
plant species
6%
Landsat
6%
climate change
6%
biodiversity
6%
upscaling
6%
relative humidity
6%
water flow
6%
environmental sustainability
6%
water retention
6%
riparian vegetation
6%
energy demand
6%
biochar
6%
cost
6%
wetland
6%
Agriculture & Biology
Tamarix
100%
riparian forests
66%
habitats
58%
deserts
51%
wildlife
49%
vegetation
47%
birds
44%
Diorhabda carinulata
44%
lizards
44%
rivers
38%
Pelobatidae
36%
Sceloporus
35%
ecosystems
34%
Mojave Desert
34%
stream flow
34%
breeding behavior
30%
land cover
30%
social factors
28%
forest types
27%
food webs
25%
infrastructure
25%
groundwater
25%
defoliation
24%
plant litter
23%
Prosopis
23%
cameras
23%
climate change
22%
riparian areas
21%
biological control agents
21%
wildlife management
21%
Lynx rufus
21%
Salix gooddingii
21%
amphibians
21%
seasonal variation
20%
wildfires
20%
Mexico
19%
land use
18%
Canis latrans
18%
Populus fremontii
18%
environmental factors
17%
mammals
16%
Southwestern United States
16%
Nasua narica
16%
wildlife rehabilitation
15%
Urocyon cinereoargenteus
15%
breeding
14%
biological control
13%
Puma concolor
13%
temperature
12%
canopy
12%
climate
12%
fire intensity
11%
urban agriculture
11%
breeds
11%
hummingbirds
11%
species diversity
10%
vegetation cover
10%
pure stands
10%
biodiversity
10%
trophic levels
9%
willows
9%
woodlands
9%
floodplains
9%
income
8%
Coleoptera
8%
water table
8%
portable equipment
8%
evapotranspiration
8%
herpetofauna
8%
animal communication
7%
mark-recapture studies
7%
menu planning
7%
urbanization
7%
wetlands
7%
technicians
7%
foraging
6%
humidity
6%
solar radiation
6%
riparian vegetation
6%
household surveys
6%
animals
6%
biologists
6%
metropolitan areas
6%
moderate resolution imaging spectroradiometer
6%
doves
6%
agriculture
5%
Landsat
5%
human settlements
5%
biocenosis
5%
vegetation structure
5%
young animals
5%
predators
5%
carnivores
5%
mixed stands
5%
censuses
5%
Social Sciences
learning
82%
ergonomics
51%
educational technology
47%
virtual reality
45%
communications
42%
video
38%
engineering
37%
civil defense
35%
Surface waters
34%
experiment
34%
multimedia
32%
sewage
32%
literacy
32%
learning aid
31%
discourse theory
31%
electronics
29%
Macedonia
29%
boredom
28%
Water resources
27%
performance assessment
27%
student
26%
chat
25%
learning organization
25%
scaling
24%
communication
24%
e-mail
23%
grammar
21%
infrastructure
20%
driver
19%
communication pattern
19%
narrative
19%
stimulus
18%
air
18%
programming
18%
physician
17%
knowledge
17%
history
17%
comprehension
17%
efficiency
16%
justice
16%
instructor
15%
mathematics
15%
evaluation
15%
paradigm
15%
performance
14%
animal
14%
planning
13%
intervention strategy
13%
cognition
12%
resident
12%
methodology
11%
health
11%
Group
11%
inclusion
11%
entrepreneurship
11%
Plato
10%
credibility
10%
Human Uses
10%
education
10%
meritocracy
10%
information theory
10%
Aristotle
10%
equity
10%
learning environment
9%
economics
9%
engineer
9%
software
9%
information flow
9%
teacher's role
9%
Water quality deterioration
9%
psycholinguistics
8%
institute of technology
8%
trend
8%
learning success
8%
urban area
8%
co-worker
8%
teaching research
8%
manipulation
8%
non-profit-organization
8%
navy
8%
simulation
7%
air force
7%
Water quality data
7%
neurosciences
7%
information processing
7%
rehabilitation center
7%
common knowledge
7%
oppression
7%
social learning
7%
instruction
7%
teaching strategy
7%
group cohesion
7%
systems engineering
7%
experience
7%
self-regulation
7%
poverty
7%
Arab
7%
cause
6%