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Table 2 nBias (%) 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%

25

17

27

15

24

19

12

19

14

14

15

12

17

11

6

16

10

15

10

6

16

12

13

10

8

15

11

13

11

8

25

Median

7

0

5

0

7

4

2

3

0

0

4

2

2

1

–4

4

2

3

1

–3

6

4

3

2

0

5

2

2

2

–2

2.5%

–11

−14

−17

−17

−8

−10

−8

−12

−11

−10

−8

−8

−10

−8

−12

−6

−6

−7

−7

−11

−4

−4

−6

−6

−8

−5

−7

−8

−8

− 10

97.5%

19

12

18

10

17

12

9

13

9

8

11

9

11

7

1

11

8

10

6

2

12

10

10

7

5

11

9

10

7

4

50

Median

7

0

5

−1

7

4

2

3

1

0

4

2

2

1

−4

5

3

3

1

− 4

6

4

3

2

−1

5

2

2

2

−2

2.5%

−5

−10

−9

− 11

− 4

− 5

− 5

−6

−7

− 7

− 4

− 4

− 6

− 5

− 10

−2

−2

− 4

− 4

–

0

− 1

−3

−3

− 6

− 1

− 4

− 5

− 4

− 7

97.5%

14

7

15

7

13

10

7

11

6

5

9

6

9

6

0

9

6

8

5

0

10

8

8

5

3

9

7

8

5

2

100

Median

6

0

5

−1

6

3

2

3

1

0

4

2

2

1

−4

5

3

3

1

− 3

6

4

3

2

−1

5

2

2

2

−2

2.5%

−2

−6

−5

−7

−1

2

−2

−4

−5

−5

− 1

− 2

−4

−3

−8

0

− 1

− 2

− 2

− 7

2

1

− 1

− 2

− 4

1

−2

− 3

− 3

−6

97.5%

11

5

12

4

10

7

5

8

4

2

6

4

6

4

−2

7

5

6

4

−2

8

6

6

4

1

7

5

6

4

0

200

Median

6

0

5

0

5

4

2

3

1

−1

4

2

2

1

−5

5

3

3

1

−4

6

4

3

2

−1

5

2

2

2

−3

2.5%

1

−4

−1

−5

1

0

−1

−1

−3

− 4

1

− 1

−2

−1

−7

2

1

0

−1

−6

3

2

0

0

−3

3

0

−1

−1

−5

97.5%

9

3

10

3

8

6

4

6

3

1

6

4

5

4

−3

6

4

5

3

−2

7

6

5

4

0

7

4

5

4

−1

300

Median

6

1

5

0

5

4

2

3

1

−1

4

2

2

2

−5

5

3

3

1

−4

4

4

3

2

−1

5

2

2

2

−3

2.5%

3

−3

0

−4

2

1

0

0

−2

−2

2

0

−1

0

−6

3

1

0

−1

−5

4

3

1

0

−3

3

1

0

0

−4

97.5%

8

2

9

2

7

5

3

6

3

1

5

3

5

3

−4

6

4

5

3

−3

7

5

5

3

−1

6

4

4

3

−2

400

Median

6

1

5

0

5

4

2

3

1

−1

4

2

2

2

−5

5

3

3

1

−4

6

4

3

2

−1

5

2

2

2

−3

2.5%

4

−1

1

−3

3

2

1

0

−1

−2

3

1

0

0

−6

4

2

1

0

−5

5

3

1

1

−2

4

1

0

0

−3

97.5%

–

–

8

2

–

–

–

5

2

–

–

–

4

3

–

–

–

4

2

–

–

–

4

3

–

–

–

3

3

–

600

median

–

–

5

0

–

–

–

3

1

–

–

–

2

2

–

–

–

3

1

–

–

–

3

2

–

–

–

2

2

–

2.5%

–

–

3

−2

–

–

–

1

−1

–

–

–

1

1

–

–

–

2

0

–

–

–

2

1

–

–

–

1

1

–

 

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