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Table 6 Differences between synthetic stand estimates of the FMI models and the NFI models based on 200 randomly selected stands. ALS is airborne laser scanning, RMSD is root-mean-squared deviance, and MD is mean deviance

From: Timber volume estimation based on airborne laser scanning — comparing the use of national forest inventory and forest management inventory data

Modeling data

ALS project

RMSD (m3ha− 1)

RMSD%

MD (m3ha− 1)

MD%

NFI

A

40.25

15

23.67

9

NFI

B

37.55

12

25.95

8

NFI

C

22.83

10

15.72

7

NFI

All

34.60

13

21.86

8

NFI & FMI

A

32.56

12

6.35

2

NFI & FMI

B

24.75

8

1.68

1

NFI & FMI

C

13.75

6

2.90

1

NFI & FMI

All

25.16

9

3.71

1

NFI & top 7 FMI

A

32.91

12

4.22

2

NFI & top 7 FMI

B

27.15

9

10.85

4

NFI & top 7 FMI

C

13.91

6

0.57

0

NFI & top 7 FMI

All

26.14

10

5.21

2

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Annals of Forest Science

ISSN: 1297-966X