# Kartashova et al. 2026: Allometric models of biomass of understory trees and shrubs in pine stands of Voronezh Oblast (Аллометрические модели фитомассы деревьев и кустарников подлеска в сосновых насаждениях Воронежской области)

Kartashova, N.P., Sheshnitsan, S.S., Tsaregorodtsev, A.V. (2026). Allometric models of biomass of understory trees and shrubs in pine stands of Voronezh Oblast. Forestry Engineering Journal (Lesotekhnicheskii zhurnal), 16(3), 6–19.

- DOI: https://doi.org/10.34220/issn.2222-7962/2026.3/1
- Access: open access
- Copy we read: http://lestehjournal.ru/sites/default/files/journal_pdf/1._6-19_ltzh_2026_tom_16_no_3_63.pdf
- Status: no retraction or correction notice recorded (Crossref is asked weekly); last checked 2026-11-01
- Page: https://treeallometry.org/sources/kartashova-2026/

## Equations from this source (5)

### Acer campestre, aboveground dry mass vs height (Model 2)

Aboveground biomass for Acer campestre, Russia. Inputs: Height. 11 trees.

As printed (Eq. (1)/(2) and Table 2 (p. 10-11)):

> lnPag = a0 + a1lnH; Acer campestre: a0 = -3,195, a1 = 1,174, BaskCF = 1,84

Page: https://treeallometry.org/equations/kartashova-2026-acer-campestre-pag-h/

### Euonymus verrucosus, belowground dry mass vs height (Model 2)

Root biomass for Euonymus verrucosus, Russia. Inputs: Height. 16 trees.

As printed (Eq. (1)/(2) and Table 2 (p. 10-11)):

> lnPbg = a0 + a1lnH; Euonymus verrucosus: a0 = -4,119, a1 = 1,409, BaskCF = 1,48

Page: https://treeallometry.org/equations/kartashova-2026-euonymus-verrucosus-pbg-h/

### Rubus idaeus, aboveground dry mass vs base diameter (Model 1)

Aboveground biomass for Rubus idaeus, Russia. Inputs: Root collar diameter. 12 trees.

As printed (Eq. (1)/(2) and Table 2 (p. 10-11)):

> lnPag = a0 + a1lnD0; Rubus idaeus: a0 = -3,937, a1 = 0,979, BaskCF = 1,24

Page: https://treeallometry.org/equations/kartashova-2026-rubus-idaeus-pag-d0/

### Sambucus racemosa, aboveground dry mass vs base diameter (Model 1)

Aboveground biomass for Sambucus racemosa, Russia. Inputs: Root collar diameter. 7 trees.

As printed (Eq. (1)/(2) and Table 2 (p. 10-11)):

> lnPag = a0 + a1lnD0; Sambucus racemosa: a0 = -2,559, a1 = 4,186, BaskCF = 1,62

Page: https://treeallometry.org/equations/kartashova-2026-sambucus-pag-d0/

### Sambucus racemosa, belowground dry mass vs base diameter (Model 1)

Root biomass for Sambucus racemosa, Russia. Inputs: Root collar diameter. 7 trees.

As printed (Eq. (1)/(2) and Table 2 (p. 10-11)):

> lnPbg = a0 + a1lnD0; Sambucus racemosa: a0 = -3,075, a1 = 3,786, BaskCF = 2,32

Page: https://treeallometry.org/equations/kartashova-2026-sambucus-pbg-d0/