APPENDIX 1. Confusion matrices of land-cover categories in 1972 and 2006 maps.


a) 1972. Total error (Kappa coefficient x 100) = 88.04

Validation (1968 aerial photograph 1:50 000)
User precision
Agriculture
Forest
Urban
Total
Map
Agriculture
168
14
7
207
89.86
Forest
31
189
0
220
85.91
Urban
1
0
15
16
93.75
Total
218
203
22
22

Producer precision
85.32
93.10
68.18
68.18

b) 2006. Total error (Kappa coefficient x 1000) = 87.87

Validation (2002 and 2006 Google Earth)
Map
Agriculture
253
21
20
294
86.05
Forest
52
426
0
478
89.12
Urban
2
3
31
36
86.11
Total
307
450
51
808

Producer precision
82.41
94.67
60.78