Agriculture & Biology
biodiversity
100%
ecosystem services
88%
ecosystems
64%
urbanization
47%
infectious diseases
46%
risk reduction
43%
public policy
33%
case studies
33%
residential areas
32%
globalization
32%
cost of illness analysis
32%
socioeconomic status
31%
land use
27%
economic systems
27%
economics
26%
social sciences
26%
ecological economics
26%
economic development
25%
nitrogen
24%
social benefit
23%
income
22%
water security
21%
ecology
21%
biodiversity conservation
20%
carbon
20%
avian influenza
20%
population density
20%
economic incentives
20%
development theory
19%
cultural landscape
19%
trajectories
19%
adaptive management
19%
prediction
18%
desert soils
18%
economists
18%
green infrastructure
18%
census data
17%
Sonoran Desert
17%
famine
17%
species dispersal
17%
Agave
16%
wetlands
16%
ecological function
16%
habitat destruction
16%
habitats
15%
emerging diseases
15%
soil
15%
anthropogenic activities
15%
organic nitrogen
15%
waterfowl
15%
Earth & Environmental Sciences
biodiversity
61%
infectious disease
57%
ecosystem service
46%
species-area relationship
45%
income
43%
policy
38%
economics
36%
science
36%
urbanization
34%
society
33%
world
32%
socioeconomic status
31%
land
30%
human behavior
26%
mitigation
24%
nitrogen
24%
economic structure
24%
avian influenza
24%
ecosystem
24%
turnover
22%
groundwater
22%
socioeconomics
22%
population density
21%
ecology
21%
land use
20%
willingness to pay
19%
decision
19%
social system
19%
climate
19%
disturbance
18%
attribute
18%
climate modeling
18%
city
18%
livelihood
18%
biodiversity loss
17%
development theory
17%
groundwater resource
17%
low carbon economy
17%
cost
17%
desert soil
17%
incentive
17%
mutualism
16%
economic growth
16%
famine
16%
biomass energy
16%
sustainability
16%
valuation
16%
species extinction
16%
path analysis
16%
effect
16%
Social Sciences
water
27%
resilience
26%
farmer
25%
climate
25%
contagious disease
24%
income
21%
price elasticity
20%
vulnerability
20%
Mexico
19%
livelihood
17%
urbanization
17%
urban structure
16%
wetland
16%
climate change
16%
cause
15%
environmental damage
15%
rigidity
14%
Geographic information systems
14%
economic growth
14%
nutrition situation
14%
coproduction
14%
economic structure
14%
habitat
13%
science policy
13%
Iran
13%
archaeology
13%
Southeast Asia
13%
diversification
12%
drought
12%
sustainable development
12%
recession
12%
uncertainty
12%
food
12%
time
12%
demand
11%
costs
10%
China
10%
social status
9%
coping
9%
event
9%
globalization
9%
death
9%
contact
8%
Waterfowl habitat
8%
Water quality
8%
economy
7%
credibility
7%
animal protein
7%
organization
7%
food supply
6%