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Table 3 nRMSE (%) distributions of the stand-level GSV estimations across the analysed factors. Objects: S – Suprasl, P – Piensk, M – Milicz, H – Herby, K – Katrynka. *ADR – Age-Dependent Radius

From: Influence of sampling intensity on performance of two-phase forest inventory using airborne laser scanning

Quantiles Sample plot size (m2) Number of sample plots
100 200 300 400 500 ADR*
97.5% 31 36 46 30 31 26 28 34 24 21 22 27 33 20 18 22 26 29 18 18 22 25 28 18 18 22 25 28 20 18 25
Median 18 21 23 16 16 16 20 20 15 13 16 19 19 14 14 16 20 18 14 14 16 20 18 13 13 16 20 19 14 13
2.5% 15 17 15 12 11 14 17 15 12 12 14 17 15 12 13 14 17 14 12 13 14 17 14 11 12 14 17 15 12 12
97.5% 25 29 35 28 22 19 24 28 18 16 18 24 25 16 16 18 24 24 15 16 19 23 23 15 14 19 23 24 16 15 50
Median 16 20 21 14 14 15 19 18 14 12 15 19 18 13 14 15 19 17 13 13 15 19 17 13 12 15 19 18 13 13
2.5% 14 17 15 12 11 14 17 15 11 12 14 17 15 11 13 14 17 14 12 13 14 17 14 11 11 14 17 15 12 12
97.5% 21 24 30 21 19 17 22 24 16 14 17 22 23 15 15 17 22 21 14 14 17 21 21 14 13 17 21 21 15 14 100
Median 16 19 21 14 13 15 19 18 13 12 15 19 18 13 13 15 19 17 13 13 15 19 17 12 12 15 19 18 13 12
2.5% 14 18 15 12 11 14 17 15 12 12 14 17 15 12 13 14 18 14 12 13 14 18 15 12 11 14 18 15 12 12
97.5% 18 21 26 17 16 16 21 21 15 12 16 20 20 13 14 16 21 19 13 14 16 20 19 13 12 16 20 20 14 13 200
Median 16 19 20 13 13 15 19 17 13 12 15 19 17 12 14 15 19 16 12 13 15 19 17 12 12 15 19 17 13 12
2.5% 14 18 16 12 12 14 18 15 12 12 14 18 16 12 13 14 18 15 12 13 15 18 15 12 11 14 18 16 12 12
97.5% 17 20 25 16 15 15 20 20 14 12 15 20 19 13 14 16 20 18 13 14 16 20 18 13 12 16 20 19 13 13 300
Median 16 19 20 13 13 15 19 17 13 12 15 19 17 12 13 15 19 16 12 13 15 19 17 12 12 15 19 17 13 12
2.5% 15 18 16 12 12 14 18 15 12 12 14 18 16 12 13 15 18 15 12 13 15 18 15 12 11 15 18 16 12 12
97.5% 17 20 24 15 14 15 20 19 14 12 15 19 19 13 14 15 20 18 13 13 16 19 18 13 12 15 19 19 13 12 400
Median 16 19 20 13 13 15 19 17 13 12 15 19 17 12 13 15 19 16 12 13 15 19 17 12 12 15 19 17 13 12
2.5% 15 18 17 12 12 14 18 16 12 12 14 18 16 12 13 15 19 15 12 13 15 19 15 12 12 15 18 16 12 12
97.5% 22 14 18 13 18 13 17 12 17 12 18 13 600
Median 20 13 17 13 17 12 16 12 17 12 17 13
2.5% 18 12 16 12 16 12 16 12 16 12 17 12
  S P M H K S P M H K S P M H K S P M H K S P M H K S P M H K