# Qirom & Akbar 2020: Model Volume Kelompok Jenis Pohon pada Hutan Rawa Gambut di IUPHHK PT. Tingang Karya Mandiri, Kalimantan Tengah

Qirom, M. A., & Akbar, A. (2020). Model Volume Kelompok Jenis Pohon pada Hutan Rawa Gambut di IUPHHK PT. Tingang Karya Mandiri, Kalimantan Tengah [The Volume Model of Tree Species Group in Peat Swamp Forest at Logging Concession Area of Tingang Karya Mandiri, Central Kalimantan]. Jurnal WASIAN, 7(1), 1-14.

- DOI: https://doi.org/10.20886/jwas.v7i1.5538
- Access: open access
- Copy we read: https://pub.kehutanan.unismuh.ac.id/index.php/wasian/article/download/97/88
- Status: no retraction or correction notice recorded (Crossref is asked weekly); last checked 2026-11-02
- Page: https://treeallometry.org/sources/qirom-2020/

## Equations from this source (3)

### Peat swamp forest, all species, volume from D (model 3)

Stem volume for Mixed peat swamp forest species (6 species, Dipterocarpaceae and others), Indonesia. Inputs: DBH. DBH 5.6–29.2 cm. 84 trees.

As printed (Best model, all species, p. 10 (Tabel 3 model 3)):

> V = 0.00042 D2.22540 dengan R2 95,5 %

Page: https://treeallometry.org/equations/qirom-2020-all-species-d/

### Peat swamp forest, Dipterocarpaceae group, volume from D and H (model 7)

Stem volume for Dipterocarpaceae, Indonesia. Inputs: DBH + Height. DBH 6.3–29.2 cm. 42 trees.

As printed (Best model, Dipterocarpaceae group, p. 10 (Tabel 3 model 7)):

> V = 0,000074(D2H)0,954143 R2 = 98,9 %

Page: https://treeallometry.org/equations/qirom-2020-dipterocarpaceae-d2h/

### Peat swamp forest, non-Dipterocarpaceae group, volume from D (model 1)

Stem volume for Non-dipterocarp species group (P. rostratum, C. soulattri, D. pectinatum, as printed), Indonesia. Inputs: DBH. DBH 5.6–27 cm. 42 trees.

As printed (Best model, non-Dipterocarpaceae group, p. 10 (Tabel 3 model 1)):

> ln (V ) = -8.398596 + 2.4688 ln (D ) ... R2 97,3 %

Page: https://treeallometry.org/equations/qirom-2020-non-dipterocarpaceae-ln-d/