Agriculture & Biology
urbanization
100%
comparative study
86%
China
66%
cropland
57%
Yangtze River
52%
grasslands
27%
land use
23%
land cover
20%
sustainable development
18%
population growth
14%
ecosystems
11%
land use change
9%
ecological function
9%
immigration
8%
ecosystem services
8%
anthropogenic activities
8%
urban areas
8%
biodiversity
6%
degradation
4%
Earth & Environmental Sciences
comparative study
93%
urbanization
65%
city
57%
landscape change
45%
land use
21%
grassland
19%
river
19%
urban landscape
18%
population growth
14%
sustainable development
12%
land cover
12%
land type
10%
urban ecosystem
9%
grassland ecosystem
9%
urban sprawl
9%
urban region
9%
immigration
9%
social development
9%
ecosystem function
8%
ecosystem service
7%
fragmentation
7%
human activity
6%
sustainability
5%
biodiversity
5%
rate
5%
ecosystem
4%
land
4%
resource
4%
comparison
3%
effect
1%