Earth & Environmental Sciences
tourism
66%
wilderness
63%
light use efficiency
53%
trampling
49%
land degradation
47%
biological production
46%
primary production
42%
hiking trail
41%
tourist destination
37%
vegetation cover
37%
AVHRR
37%
erosion
35%
urban management
34%
environmental modeling
33%
satellite data
33%
remote sensing
33%
Landsat thematic mapper
32%
tourism development
31%
environmental management
30%
satellite imagery
29%
rangeland
28%
GIS
27%
polygon
27%
viewshed
26%
cloud cover
26%
urban planning
25%
management plan
25%
vegetation
25%
decision
24%
plant community
24%
image analysis
23%
planning
23%
land
23%
Landsat
22%
geographic information system
22%
agricultural land
20%
mitigation
19%
grassland
19%
biomass
19%
wilderness area
18%
radiation
18%
natural area
18%
gully
17%
higher education
16%
moss
16%
analysis
15%
pixel
15%
spatial data
14%
learning
14%
infiltration
13%
Business & Economics
Iceland
100%
Geographical Information System
70%
Nature-based Tourism
59%
Vegetation
44%
Rangeland
38%
Remote Sensing
38%
Wilderness
37%
Physical Properties
37%
Planning
29%
Degradation
29%
Nature Reserve
26%
Tourist Destination
26%
Systems Approach
25%
Tourism Development
24%
Biomass
23%
Sustainable Tourism
21%
Ecosystem
21%
Soil
19%
Tourists
19%
Gradient
18%
Tourism
18%
Environmental Impact
15%
Land Degradation
15%
Grazing
14%
Proximity
13%
Soil Erosion
13%
China
13%
Monitoring
12%
Seasonality
12%
Spatial Pattern
11%
Tourism Impacts
11%
Arctic
11%
Classification System
10%
Resources
10%
Impact Factor
10%
Environmental Planning
9%
Natural Environment
9%
Environmental Management
9%
Environmental Concern
9%
Decision Maker
8%
Land Use Change
8%
Interference
8%
Tourism Planning
8%
Managers
8%
System Model
6%
Economic Reform
6%
Animals
6%
Farmland
6%
Decision Support Systems
6%
Economics
5%
Agriculture & Biology
remote sensing
60%
Landsat
44%
census data
36%
Lebanon
33%
socioeconomic factors
33%
air pollutants
33%
vegetation
31%
geographic information systems
31%
air pollution
30%
rangelands
29%
arid lands
27%
Sweden
25%
plant communities
24%
land degradation
24%
biomass production
22%
cultivation area
22%
ravines
21%
image analysis
21%
grasslands
20%
vegetation cover
19%
mosses and liverworts
19%
China
16%
monitoring
16%
urban planning
14%
grazing
14%
wind erosion
12%
biological production
12%
lowlands
12%
desertification
12%
infiltration (hydrology)
12%
highlands
11%
economics
11%
rain
10%
socioeconomic status
10%
land use change
10%
rocks
10%
time series analysis
9%
health status
9%
animal production
9%
unmanned aerial vehicles
9%
socioeconomics
8%
erodibility
8%
agricultural land
8%
crop production
8%
tourism
7%
spatial data
7%
irrigation
6%
ecosystems
6%
photographs
6%
soil erosion
6%
