Earth & Environmental Sciences
valuation
95%
ecosystem service
80%
economics
52%
trend
44%
travel cost
31%
pollination
29%
contingent valuation
28%
bioenergy
25%
accounting
24%
recreation
22%
medicine
22%
society
17%
water resource
16%
market
16%
food
15%
method
14%
services
14%
resource
12%
experiment
8%
test
8%
effect
5%
Agriculture & Biology
ecosystem services
96%
economic valuation
94%
Mexico
73%
contingent valuation
34%
recreation
28%
information sources
26%
water resources
25%
bioenergy
24%
travel
23%
pollination
20%
medicine
19%
methodology
18%
markets
15%
economics
15%
testing
8%
Medicine & Life Sciences
Ecosystem
100%
Mexico
95%
Economics
70%
Pollination
39%
Water Resources
38%
Recreation
29%
Reproducibility of Results
20%
Medicine
16%
Direction compound
16%
Food
15%
Costs and Cost Analysis
14%
Social Sciences
Mexico
71%
trend
44%
economics
38%
bioenergy
25%
Water resources
21%
economic value
21%
recreation
18%
scientific community
18%
source of information
17%
travel
15%
medicine
13%
food
12%
experiment
10%
costs
10%
market
10%
lack
9%
resources
7%
literature
7%