Agriculture & Biology
Midwestern United States
100%
ecosystems
71%
forest land
51%
Cercis canadensis var. canadensis
36%
Quercus shumardii
36%
Ostrya virginiana
34%
Morus rubra
33%
Populus deltoides subsp. deltoides
31%
Maclura pomifera
31%
USDA Forest Service
29%
Gleditsia triacanthos
29%
windbreaks
27%
forest inventory
26%
pecans
25%
landscaping
25%
ecotones
24%
ecoregions
24%
deciduous forests
21%
wildlife
18%
data analysis
17%
grasslands
16%
analysis of variance
15%
drought
14%
vegetation
14%
fruits
11%
seeds
10%
Earth & Environmental Sciences
border
80%
ecosystem
56%
basal area
19%
range expansion
10%
ecotone
10%
forest inventory
9%
deciduous forest
9%
translocation
9%
fruit
8%
oak
8%
corridor
8%
contraction
8%
seed
7%
wildlife
7%
grassland
7%
data analysis
7%
continent
7%
land cover
6%
drought
6%
services
5%
transition
5%
vegetation
5%
land
4%
comparison
3%