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Table 3 Mean stand differences in percent between field reference data and predicted values

From: Assessing forest inventory information obtained from different inventory approaches and remote sensing data sources

Inventory approach

Remote sensing data sources

V

d g

h L

N

N

spruce

N

pine

N

deciduous

ABA-MV

ALS

−0.4

1.3

−1.0

1.2

−7.2

38.0*

−33.2

ABA-MV

ALS + CIR

−0.4

1.3

−1.0

1.3

−7.5

38.5**

−33.0

ABA-MV

ALS + RGBI

−0.4

1.3

−1.0

1.2

−8.1

38.1**

−30.0

ABA-MV

ALS + Hyper.

−0.4

1.3

−1.0

1.4

−7.7

40.6**

−35.4

ABA-DD

ALS

3.2

9.0**

6.4*

20.3**

24.1**

−17.1

74.3**

ABA-DD

ALS + CIR

3.2

8.6**

6.4**

20.7**

25.1***

−18.2

75.3**

ABA-DD

ALS + RGBI

3.2

8.9**

6.5**

20.3**

24.8**

−16.8

71.0**

ABA-DD

ALS + Hyper.

3.4

8.5**

6.3*

20.5**

25.7***

−20.0

75.1**

ITC

ALS

26.9***

−24.4***

−5.8**

55.3***

61.0***

37.8***

64.9**

ITC

ALS + CIR

26.3***

−24.4***

−5.8**

55.3***

61.1***

39.7***

61.1**

ITC

ALS + RGBI

26.7***

−24.4***

−5.8**

55.3***

61.4***

36.9**

65.1**

ITC

ALS + Hyper.

26.3***

−24.4***

−5.8**

55.3***

62.0***

35.5***

65.4***

SITC

ALS

−3.3

−3.9

−0.4

8.1

11.1

0.9

9.9

SITC

ALS + CIR

−6.3

−3.7

−0.1

4.4

3.8

−9.5

32.4

SITC

ALS + RGBI

−2.8

−3.8

−0.2

8.4

15.2

−11.4

18.2

SITC

ALS + Hyper.

−8.5

−4.0

−0.5

4.1

6.1

−13.7

29.0

  1. ***p < 0.001; **p < 0.01; *p < 0.05 (level of significance)
  2. h L Lorey’s mean height, d g mean diameter by basal area, N number of trees, V volume