3.1. Indices of suitability factor
The values of density of roads and residences (Fig. 2a and b)
obtained from the vector data based on the spatial analysis function
of the Arcgis9.3 software ranged from 0.086 to 0.978 and 0 to
0.4442, respectively. The data were divided into four classes. The
distribution maps for the density of rivers and lakes, ranging from 0
to 0.258 and 0 to 0.396, respectively, are presented in Fig. 2c and d.
The NDVI value was extracted by computing the mean value from
the Landsat TM image, ranging from 0.63 to −0.38, as presented in
3.1. Indices of suitability factorThe values of density of roads and residences (Fig. 2a and b)obtained from the vector data based on the spatial analysis functionof the Arcgis9.3 software ranged from 0.086 to 0.978 and 0 to0.4442, respectively. The data were divided into four classes. Thedistribution maps for the density of rivers and lakes, ranging from 0to 0.258 and 0 to 0.396, respectively, are presented in Fig. 2c and d.The NDVI value was extracted by computing the mean value fromthe Landsat TM image, ranging from 0.63 to −0.38, as presented in
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