# Zhao et al. 2019: Site-Specific Allometric Models for Prediction of Above- and Belowground Biomass of Subtropical Forests in Guangzhou, Southern China

Zhao, H., Li, Z., Zhou, G., Qiu, Z., & Wu, Z. (2019). Site-Specific Allometric Models for Prediction of Above- and Belowground Biomass of Subtropical Forests in Guangzhou, Southern China. Forests, 10(10), 862.

- DOI: https://doi.org/10.3390/f10100862
- Access: open access
- Copy we read: https://www.mdpi.com/1999-4907/10/10/862/pdf?version=1571725313
- Status: no retraction or correction notice recorded (Crossref is asked weekly); last checked 2026-11-02
- Page: https://treeallometry.org/sources/zhao-2019/

## Equations from this source (12)

### Guangzhou subtropical forest aboveground biomass, Model 1 (DBH only)

Aboveground biomass for Subtropical evergreen broadleaf forest trees (Castanopsis fissa, Aleurites montana, Castanopsis chinensis, Machilus chinensis and 22 companion species), China. Inputs: DBH. DBH 4.2–61.2 cm. 144 trees.

As printed (Section 2.4, Eq. 1):

> ln(B) = a + bln(DBH²)

Page: https://treeallometry.org/equations/zhao-2019-agb-model1/

### Guangzhou subtropical forest aboveground biomass, Model 3 (DBH and height)

Aboveground biomass for Subtropical evergreen broadleaf forest trees (Castanopsis fissa, Aleurites montana, Castanopsis chinensis, Machilus chinensis and 22 companion species), China. Inputs: DBH + Height. DBH 4.2–61.2 cm. 144 trees.

As printed (Section 2.4, Eq. 3):

> ln(B) = a + bln(DBH²) + cln(H)

Page: https://treeallometry.org/equations/zhao-2019-agb-model3/

### Guangzhou subtropical forest aboveground biomass, Model 5 (DBH and wood density)

Aboveground biomass for Subtropical evergreen broadleaf forest trees (Castanopsis fissa, Aleurites montana, Castanopsis chinensis, Machilus chinensis and 22 companion species), China. Inputs: DBH + Wood density. DBH 4.2–61.2 cm. 144 trees.

As printed (Section 2.4, Eq. 5):

> ln(B) = a + bln(DBH²) + cln(WD)

Page: https://treeallometry.org/equations/zhao-2019-agb-model5/

### Guangzhou subtropical forest belowground biomass, Model 1 (DBH only)

Root biomass for Subtropical evergreen broadleaf forest trees (Castanopsis fissa, Aleurites montana, Castanopsis chinensis, Machilus chinensis and 22 companion species), China. Inputs: DBH. 116 trees.

As printed (Section 2.4, Eq. 1):

> ln(B) = a + bln(DBH²)

Page: https://treeallometry.org/equations/zhao-2019-bgb-model1/

### Guangzhou subtropical forest belowground biomass, Model 3 (DBH and height)

Root biomass for Subtropical evergreen broadleaf forest trees (Castanopsis fissa, Aleurites montana, Castanopsis chinensis, Machilus chinensis and 22 companion species), China. Inputs: DBH + Height. 116 trees.

As printed (Section 2.4, Eq. 3):

> ln(B) = a + bln(DBH²) + cln(H)

Page: https://treeallometry.org/equations/zhao-2019-bgb-model3/

### Guangzhou subtropical forest belowground biomass, Model 5 (DBH and wood density)

Root biomass for Subtropical evergreen broadleaf forest trees (Castanopsis fissa, Aleurites montana, Castanopsis chinensis, Machilus chinensis and 22 companion species), China. Inputs: DBH + Wood density. 116 trees.

As printed (Section 2.4, Eq. 5):

> ln(B) = a + bln(DBH²) + cln(WD)

Page: https://treeallometry.org/equations/zhao-2019-bgb-model5/

### Guangzhou subtropical forest branch biomass, Model 1 (DBH only)

Branch biomass for Subtropical evergreen broadleaf forest trees (Castanopsis fissa, Aleurites montana, Castanopsis chinensis, Machilus chinensis and 22 companion species), China. Inputs: DBH. DBH 4.2–61.2 cm. 144 trees.

As printed (Section 2.4, Eq. 1):

> ln(B) = a + bln(DBH²)

Page: https://treeallometry.org/equations/zhao-2019-branch-model1/

### Guangzhou subtropical forest leaf biomass, Model 1 (DBH only)

Foliage biomass for Subtropical evergreen broadleaf forest trees (Castanopsis fissa, Aleurites montana, Castanopsis chinensis, Machilus chinensis and 22 companion species), China. Inputs: DBH. DBH 4.2–61.2 cm. 144 trees.

As printed (Section 2.4, Eq. 1):

> ln(B) = a + bln(DBH²)

Page: https://treeallometry.org/equations/zhao-2019-foliage-model1/

### Guangzhou subtropical forest stem biomass, Model 1 (DBH only)

Stem biomass for Subtropical evergreen broadleaf forest trees (Castanopsis fissa, Aleurites montana, Castanopsis chinensis, Machilus chinensis and 22 companion species), China. Inputs: DBH. DBH 4.2–61.2 cm. 144 trees.

As printed (Section 2.4, Eq. 1):

> ln(B) = a + bln(DBH²)

Page: https://treeallometry.org/equations/zhao-2019-stem-model1/

### Guangzhou subtropical forest total biomass, Model 1 (DBH only)

Total biomass for Subtropical evergreen broadleaf forest trees (Castanopsis fissa, Aleurites montana, Castanopsis chinensis, Machilus chinensis and 22 companion species), China. Inputs: DBH.

As printed (Section 2.4, Eq. 1):

> ln(B) = a + bln(DBH²)

Page: https://treeallometry.org/equations/zhao-2019-total-model1/

### Guangzhou subtropical forest total biomass, Model 3 (DBH and height)

Total biomass for Subtropical evergreen broadleaf forest trees (Castanopsis fissa, Aleurites montana, Castanopsis chinensis, Machilus chinensis and 22 companion species), China. Inputs: DBH + Height.

As printed (Section 2.4, Eq. 3):

> ln(B) = a + bln(DBH²) + cln(H)

Page: https://treeallometry.org/equations/zhao-2019-total-model3/

### Guangzhou subtropical forest total biomass, Model 5 (DBH and wood density)

Total biomass for Subtropical evergreen broadleaf forest trees (Castanopsis fissa, Aleurites montana, Castanopsis chinensis, Machilus chinensis and 22 companion species), China. Inputs: DBH + Wood density.

As printed (Section 2.4, Eq. 5):

> ln(B) = a + bln(DBH²) + cln(WD)

Page: https://treeallometry.org/equations/zhao-2019-total-model5/