Earth & Environmental Sciences
arid land
86%
land tenure
85%
risk management
74%
political economy
62%
common property resource
60%
nationalism
56%
tenure system
45%
ideology
44%
privatization
42%
agriculture
37%
river basin
34%
bureaucracy
32%
political ecology
32%
environmental risk
30%
economic development
29%
ethnic group
29%
systems theory
27%
stratification
25%
prioritization
24%
gravity
24%
economics
23%
economic growth
22%
political process
21%
cultural policy
20%
socioeconomics
18%
ecology
17%
plain
16%
valley
15%
soil classification
13%
government policy
13%
land development
13%
lake
12%
arable land
12%
land
12%
resource
12%
project
11%
food security
11%
import
11%
river
10%
population density
10%
need
9%
drought
8%
North Africa
8%
recommendation
8%
distribution
7%
labor
7%
planning
6%
policy
6%
conflict
6%
basin
5%
Physics & Astronomy
arid lands
100%
Mauritania
79%
risk management
77%
recession
42%
economy
41%
economics
32%
ecology
31%
Senegal
29%
river basins
29%
agriculture
26%
plains
25%
drought
13%
pushing
13%
Middle East
12%
revenue
12%
valleys
10%
resources
10%
logic
10%
linguistics
10%
labor
9%
stratification
8%
recommendations
7%
proportion
6%
sectors
6%
gravitation
5%
Social Sciences
Flood recession agriculture
90%
Mauritania
32%
study of economics
30%
common property
29%
Morocco
25%
chaos
24%
environmental policy
21%
River basins
21%
Senegal
18%
Legal records
18%
Court records
15%
society
15%
economics
14%
Land tenure
13%
political situation
13%
taxation
11%
system theory
11%
risk management
11%
historian
11%
civilization
11%
trend
10%
bureaucracy
10%
river
10%
taxes
9%
ethnic group
8%
geography
8%
infrastructure
7%
agricultural development
5%