Agriculture & Biology
agricultural land
17%
Allium
10%
Avena (Poaceae)
12%
Avena nuda
13%
basins
8%
China
11%
corn
5%
crop residues
9%
cropland
32%
diet
9%
duration
5%
ecological restoration
11%
food choices
56%
foraging
13%
Grus vipio
100%
habitat preferences
53%
habitats
5%
herbicides
7%
highlands
16%
home range
18%
land cover
46%
monitoring
5%
Potentilla anserina
15%
stable isotopes
55%
stopover sites
72%
temperate zones
9%
threatened species
9%
water birds
21%
wetlands
51%
Zea mays
7%
Earth & Environmental Sciences
agricultural land
12%
analysis
14%
Anthropocene
9%
basin
3%
crane
66%
crop residue
9%
diet
13%
food
36%
food preference
11%
habitat
4%
habitat selection
60%
herbicide
7%
home range
18%
isotopic analysis
9%
land cover
24%
maize
6%
monitoring
3%
program
3%
regulation
5%
restoration
5%
river basin
5%
roosting
11%
stable isotope
45%
stopover
76%
wetland
35%