Earth & Environmental Sciences
land cover
55%
environmental impact
53%
river basin
53%
steppe
51%
land use
45%
grassland
16%
overgrazing
12%
vegetation
11%
government policy
11%
ecosystem
11%
shrubland
11%
landscape change
11%
world
11%
habitat loss
11%
history
11%
coal mining
10%
meadow
9%
vegetation type
9%
fragmentation
8%
environmental change
8%
stakeholder
7%
wetland
7%
surface area
7%
human activity
7%
restoration
7%
sustainability
7%
plateau
7%
demand
6%
remote sensing
6%
land
5%
program
5%
water
2%
Engineering & Materials Science
Land use
82%
Rivers
68%
Environmental impact
65%
History
40%
Ecosystems
36%
Wetlands
26%
Coal mines
18%
Remote sensing
17%
Restoration
16%
Sustainable development
15%
Water
9%
Medicine & Life Sciences
Grassland
100%
Rivers
84%
China
55%
Ecosystem
28%
Coal Mining
14%
Government Programs
13%
Wetlands
12%
Human Activities
8%
History
6%
Water
5%
Chemical Compounds
Ecosystem
82%
Mining
78%
Coal
33%
Fragmentation
28%
Surface Area
22%
Time
12%
Surface
10%