# Repola & Ahnlund Ulvcrona 2014: Modelling biomass of young and dense Scots pine (Pinus sylvestris L.) dominated mixed forests in northern Sweden

Repola, J., Ahnlund Ulvcrona, K. (2014). Modelling biomass of young and dense Scots pine (Pinus sylvestris L.) dominated mixed forests in northern Sweden. Silva Fennica, 48(5), 1190.

- DOI: https://doi.org/10.14214/sf.1190
- Access: open access
- Copy we read: https://silvafennica.fi/pdf/1190
- Status: no retraction or correction notice recorded (Crossref is asked weekly); last checked 2026-11-02
- Page: https://treeallometry.org/sources/repola-2014/

## Equations from this source (12)

### Birch aboveground biomass, young dense stands, N Sweden (Table 5)

Aboveground biomass for Betula, Sweden. Inputs: DBH + Height. DBH 1–11 cm. 86 trees.

As printed (Table 5, p. 12):

> Total above-ground, kg, birch: Intercept −4.074; dbh/(dbh + n) 7.970; h/(h + m) 16.922; ln(h) −3.210; n 3; m 10; var(uk) 0.002; var(eki) 0.018

Page: https://treeallometry.org/equations/repola-2014-agb-birch/

### Birch foliage biomass, young dense stands, N Sweden (Table 5)

Foliage biomass for Betula, Sweden. Inputs: DBH. DBH 1–11 cm. 86 trees.

As printed (Table 5, p. 12):

> Foliage, kg, birch: Intercept −5.551; dbh/(dbh + n) 8.584; n 5; var(uk) 0.120; var(eki) 0.126

Page: https://treeallometry.org/equations/repola-2014-foliage-birch/

### Birch living branch biomass, young dense stands, N Sweden (Table 5)

Branch biomass for Betula, Sweden. Inputs: DBH + Height. DBH 1–11 cm. 86 trees.

As printed (Table 5, p. 12):

> Living branches, kg, birch: Intercept −4.190; dbh/(dbh + n) 11.826; h/(h + m) −3.939; n 6; m 10; var(uk) 0.011; var(eki) 0.105

Page: https://treeallometry.org/equations/repola-2014-branch-birch/

### Birch stem biomass, young dense stands, N Sweden (Table 5)

Stem biomass for Betula, Sweden. Inputs: DBH + Height. DBH 1–11 cm. 86 trees.

As printed (Table 5, p. 12):

> Stem, kg, birch: Intercept −4.879; dbh/(dbh + n) 8.037; h/(h + m) 22.614; ln(h) −4.003; n 2; m 12; var(uk) 0.001; var(eki) 0.016

Page: https://treeallometry.org/equations/repola-2014-stem-birch/

### Norway spruce aboveground biomass, young dense stands, N Sweden (Table 5)

Aboveground biomass for Picea abies, Sweden. Inputs: DBH. DBH 1–21 cm. 68 trees.

As printed (Table 5, p. 12):

> Total above-ground, kg, Norway spruce: Intercept −1.626; dbh/(dbh + n) 10.093; n 11; var(uk) 0.020; var(eki) 0.039

Page: https://treeallometry.org/equations/repola-2014-agb-spruce/

### Norway spruce foliage biomass, young dense stands, N Sweden (Table 5)

Foliage biomass for Picea abies, Sweden. Inputs: DBH. DBH 1–21 cm. 68 trees.

As printed (Table 5, p. 12):

> Foliage, kg, Norway spruce: Intercept −2.924; dbh/(dbh + n) 8.464; n 8; var(uk) 0.027; var(eki) 0.113

Page: https://treeallometry.org/equations/repola-2014-foliage-spruce/

### Norway spruce living branch biomass, young dense stands, N Sweden (Table 5)

Branch biomass for Picea abies, Sweden. Inputs: DBH + Height. DBH 1–21 cm. 68 trees.

As printed (Table 5, p. 12):

> Living branches, kg, Norway spruce: Intercept −3.390; dbh/(dbh + n) 12.228; h/(h + m) −3.834; n 8; m 8; var(uk) 0.059; var(eki) 0.093

Page: https://treeallometry.org/equations/repola-2014-branch-spruce/

### Norway spruce stem biomass, young dense stands, N Sweden (Table 5)

Stem biomass for Picea abies, Sweden. Inputs: DBH. DBH 1–21 cm. 68 trees.

As printed (Table 5, p. 12):

> Stem, kg, Norway spruce: Intercept −2.669; dbh/(dbh + n) 10.482; n 10; var(uk) 0.010; var(eki) 0.020

Page: https://treeallometry.org/equations/repola-2014-stem-spruce/

### Scots pine aboveground biomass, young dense stands, N Sweden (Table 5)

Aboveground biomass for Pinus sylvestris, Sweden. Inputs: DBH + Height. DBH 1–22 cm. 126 trees.

As printed (Table 5, p. 12):

> Total above-ground, kg, Scots pine: Intercept −2.274; dbh/(dbh + n) 9.302; h/(h + m) 0.933; n 9; m 16; var(uk) 0.002; var(eki) 0.030

Page: https://treeallometry.org/equations/repola-2014-agb-pine/

### Scots pine foliage biomass, young dense stands, N Sweden (Table 5)

Foliage biomass for Pinus sylvestris, Sweden. Inputs: DBH + Height. DBH 1–22 cm. 126 trees.

As printed (Table 5, p. 12):

> Foliage, kg, Scots pine: Intercept 1.850; dbh/(dbh + n) 12.504; h/(h + m) −10.624; n 5; m 1; var(uk) 0.023; var(eki) 0.105

Page: https://treeallometry.org/equations/repola-2014-foliage-pine/

### Scots pine living branch biomass, young dense stands, N Sweden (Table 5)

Branch biomass for Pinus sylvestris, Sweden. Inputs: DBH + Height. DBH 1–22 cm. 126 trees.

As printed (Table 5, p. 12):

> Living branches, kg, Scots pine: Intercept −2.949; dbh/(dbh + n) 15.444; h/(h + m) −6.350; n 9; m 4; var(uk) 0.005; var(eki) 0.131

Page: https://treeallometry.org/equations/repola-2014-branch-pine/

### Scots pine stem biomass, young dense stands, N Sweden (Table 5)

Stem biomass for Pinus sylvestris, Sweden. Inputs: DBH + Height. DBH 1–22 cm. 126 trees.

As printed (Table 5, p. 12):

> Stem, kg, Scots pine: Intercept −3.010; dbh/(dbh + n) 7.999; h/(h + m) 2.959; n 8; m 13; var(uk) 0.003; var(eki) 0.018

Page: https://treeallometry.org/equations/repola-2014-stem-pine/
