Earth & Environmental Sciences
soil erosion
46%
land cover
40%
fallow
39%
erosion
34%
land use
33%
land management
33%
NDVI
31%
wheat
30%
agrarian reform
27%
loss
26%
Common Agricultural Policy
24%
set-aside
22%
agricultural policy
21%
soil
21%
vegetation
20%
aggradation
19%
trend analysis
19%
desertification
18%
cereal
18%
erosion rate
17%
trend
16%
image analysis
15%
Landsat
14%
stabilization
14%
valley
11%
policy
10%
methodology
9%
land
9%
rate
5%
effect
3%
Business & Economics
Land Cover
83%
Soil
58%
Soil Erosion
58%
Erosion
55%
Land Use
52%
Portugal
48%
Vegetation
38%
Land Management
33%
Wheat
29%
Management Roles
21%
Agrarian Reform
18%
Image Analysis
17%
Agricultural Policy
17%
Common Agricultural Policy
15%
Trend Analysis
15%
Cereals
15%
Abandonment
14%
Stabilization
14%
Fluctuations
13%
20th Century
11%
Methodology
6%
Agriculture & Biology
land cover
66%
soil erosion
60%
Portugal
52%
land use
49%
fallow
35%
sustainable land management
28%
soil
25%
land reform
25%
vegetation
24%
Landsat
24%
Common Agricultural Policy
23%
desertification
23%
wheat
21%
agricultural policy
21%
land management
21%
valleys
15%
Quercus
15%
image analysis
14%
methodology
4%
Social Sciences
erosion
53%
land use
49%
Portugal
49%
agricultural policy
17%
trend
10%
desertification
10%
CAP
10%
Land management
9%
change management
8%
agrarian reform
8%
stabilization
7%
fluctuation
7%
campaign
5%
regime
5%
methodology
3%
Chemistry
Soil Erosion
100%
Soil
42%
Surface
5%