Table 1.
Extent of forest cover and annual rate of change (
r
) in Nakai-Nam Theun National Protected Area from topographic maps covering the full area of analysis, both corrected and uncorrected for scale differences, and the mean of the two results.
1960s maps
1981 maps
r
x 100
1960s–1981
ha
%
ha
%
Not corrected for scale
300 092
97.3
286 310
92.8
-0.362
Corrected to the 1981 map scale
284 061
92.1
"
"
0.061
Mean
292 077
94.7
"
"
-0.151