Geography Reference
In-Depth Information
0
50
0 km
Arable Land (%)
0 - 10
10 - 23
23 - 33
33 - 66
66 - 87
Method: Quartic Kernel density
smoothing in a flexible bandwidth
of the 30 nearest counties
Source: US Agricultural census
Designed and made by JM Zaninetti, University of Orleans, CEDETE Institute
Figure 2.1.
Agricultural land 2002
80%
70%
60%
50%
40%
30%
20%
10%
0%
U.S.A.
Alaska
Hawaii Coterminous
U.S.
Iowa
Figure 2.2.
Agricultural land in the US in 2002
