Table 4 Above- and belowground biomass models

AGB

3

Fixed effects

Common

119

0.25128^c

0.04146

2.24034^c

0.05087

–

–

42.6

−0.6

1,203.9

FE1

Random effects

Species-specific

β ₀

SE _β0

β ₁₊ α ₁

SE _β1

β ₂

SE _β2

  A. marina

40

0.25128^c

0.04146

2.24351^c

0.05087

–

–

41.3

2.8

421.5

RE1

  S. alba

39

0.25128^c

0.04146

2.21727^c

0.05087

–

–

34.2

2.8

355.0

RE2

  R. mucronata

40

0.25128^c

0.04146

2.26026^c

0.05087

–

–

40.5

−6.6

397.0

RE3

AGB

4

Fixed effects

Common

119

β ₀

SE _β0

β ₁

SE _β1

β ₂

SE _β2

0.19633^c

0.03095

2.07919^c

0.05652

0.29654^c

0.05552

38.4

−1.0

1,180.5

FE2

Random effects

Species-specific

β ₀

SE _β0

β ₁₊ α ₁

SE _β1

β ₂

  A. marina

40

0.19633^c

0.03095

2.08791^c

0.05652

0.29654^c

0.05552

31.4

1.6

401.6

RE4

  S. alba

39

0.19633^c

0.03095

2.04113^c

0.05652

0.29654^c

0.05552

23.1

2.0

326.6

RE5

  R. mucronata

40

0.19633^c

0.03095

2.10853^c

0.05652

0.29654^c

0.05552

42.5

−4.6

403.0

RE6

BGB

3

Fixed effects

Common

30

β ₀

SE _β0

β ₁

SE _β1

β ₂

SE _β2

1.42040^b

0.50833

1.59666^c

0.14425

–

–

89.6

−18.2

315.9

FE3

Random effects

Species-specific

β ₀

SE _β0

β ₁₊ α ₁

SE _β1

β ₂

SE _β2

  A. marina

10

1.42040^b

0.50833

1.44260^c

0.14425

–

–

16.8

1.5

60.6

RE7

  S. alba

10

1.42040^b

0.50833

1.65760^c

0.14425

–

–

95.1

−32.1

115.2

RE8

  R. mucronata

10

1.42040^b

0.50833

1.68979^c

0.14425

–

–

38.7

1.6

94.0

RE9