the Skedvi field the interpreters I and III reached a better result 
on the 1: 16 000 photos, taken 3 weeks earlier than the rest. 
The number of cases (in %) where the portion of broad-leaved 
trees has been misestimated 1 and 3 tenths at the most is shown 
in Table 23. 
Table 23 
  
  
  
Interpreter I I! III ; an 
interpreters 
The error not RE : : 
exceeding 1 3 1 3 1 3 1 3 
| Scale 1:16 000 14 87 65 71 76 95 7 84 
: 26 000 79 91 (9 95 61 82 7 90 
: 38 000 14 84 51 80 69 88 66 33 
  
For approximately 70 9 
portion of broad-leaved species has been 
Table 
of the number 
24 
of estimated areas the 
estimated to within 1 
Distribution of the number of incorrect estimations of stand age for all 
interpreters together. 
  
Errors in Age (Tens of years 
  
  
  
  
| Seale | .Field; | orrect— 115-2051 — 30531 —40 41— 5015160 61 Total 
| 10 years | years | years | years | years years | years 
mo Ó 45 10 7 8 1 3 1 75 
| S S 57 14 10 8 2 1 3 95 
| = [rot 102 94 | 17 | 16 3 4 4 | 170 
o^ 60 14 10 10 2 2 2 100 
H 59 21 18 9 5 5 6 123 
= Ó 45 7 6 5 5 2 1 71 
= S 58 5 8 3 4 1 3 92 
n Total 162 3 32 17 14 8 10 286 
9% 57 15 1i 6 5 3 3 100 
H 68 21 11 6 7 3 10 126 
2 Ô 33 15 5 6 5 2 66 
© 
= S 59 19 7 2 3 5 95 
n Total 160 55 93 14 15 3 17 287 
9 56 19 8 5 5 1 6 100 
32