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Table 1 Selected ALS metrics for different plot sizes

From: Effects of field plot size on prediction accuracy of aboveground biomass in airborne laser scanning-assisted inventories in tropical rain forests of Tanzania

Plot size (m 2 )

n

Selected variables a

200

30

D0.F

D1.L

log.H80.F

300

30

D1.L

log.H90.F

log.D0.L

400

30

H80.F

D1.L

 

500

30

H70.F

D1.L

 

600

30

H70.F

D1.L

 

700

30

H90.F

D1.L

 

800

30

H90.F

D1.L

 

900

30

H90.L

D1.L

 

1000

30

Hsd.L

D1.L

log.D0.F

1100

30

D3.F

D2.L

log.H10.F

1200

30

Hmean.F

D1.L

 

1300

30

H70.F

D1.L

 

1400

30

D3.F

D2.L

log.H10.F

1500

30

H70.F

D1.L

 

1600

30

H60.F

D1.L

 

1700

30

H60.F

D1.L

 

1800

30

H60.F

D1.L

 

1900

30

H60.F

D1.L

 

2000

25

H60.F

D1.L

 

2100

25

H60.F

D1.L

 

2200

24

H60.F

D1.L

 

2300

24

H60.F

D1.L

 

2400

24

H70.F

D1.F

 

2500

22

H70.F

D1.F

 

2600

22

H70.F

D1.F

 

2700

22

H70.F

D1.F

 

2800

22

H70.F

D1.F

 

2900

22

H70.F

D1.F

 

3000

22

H60.F

D1.F

 
  1. aD0.F, D1F.and D3.F = Canopy densities corresponding to the proportion of first echoes above fraction #0 (2 m), #1 and #3 (see text). aD0.L, D1.L and D2L. = Canopy densities corresponding to the proportion of last echoes above fraction #0 (2 m), #1 and #2 (see text).
  2. H10.F, H60.F, H70.F, H80.F and H90.F. = ALS height percentiles of the canopy height for the first echo.
  3. Hsd.L = Standard deviation of the canopy height of the first echoes.
  4. Hmean.F = Arithmetic mean of the first echo ALS canopy height.
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Carbon Balance and Management

ISSN: 1750-0680

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