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Appendix I: Nearest neighbor fuzzy classification method 
3000) 
NFI -sample plots with geographic coordinates and with the corresponding pixels i = 
d{ >p is the Euclidean distance in the feature space from the pixel p to the pixel i (sample 
plot i). 
Take ^(n),p5 (d(i),p ^ •••• ^ ^(n),p)? n ~ 5 10. 
Define w ilP = Eii if-- 
( , )<P (*)i P 
Define the estimate of the variable M 
Mp 'y ' w (j),p ' 
where j = are the values of the variable M in the n closest pixels to the 
pixel p.