Sources / De Cauwer et al. 2020
De Cauwer et al. 2020
Improving the knowledge base for tropical dry forest management in southern Africa: Regional volume models for Pterocarpus angolensis
De Cauwer, V., Beeckman, H., Kleinn, C., Moses, M., Nott, A., Seifert, T., Muys, B. (2020). Improving the knowledge base for tropical dry forest management in southern Africa: Regional volume models for Pterocarpus angolensis. Forest Ecology and Management, 477, 118485.
Checked 2026-11-02. Crossref is asked weekly for retraction or correction notices; none recorded.
4 equations from this source
- Merchantable stem volume from DBH (Model 4, Table 7)
Stem volume · Pterocarpus angolensis · Namibia, Angola · DBH · DBH 5–92 cm · 356 trees
Vmer = exp(a + b 1 *(lnDBH)2 + b 2 *(lnDBH)3 ... -7.533 *** 0.896 *** -0.110 ***As printed (Table 7, Model 4)
- Merchantable stem volume from DBH and height (Model 6, Table 7)
Stem volume · Pterocarpus angolensis · Namibia, Angola · DBH + Height · DBH 5–92 cm · 340 trees
Vmer = exp(a + b 1 *(lnDBH)2 + b 2 *(lnDBH)3+ b 3 *lnH) ... -7.821 *** 0.599 *** -0.064 *** 0.800 ***As printed (Table 7, Model 6)
- Total wood volume from DBH (Model 1, Table 5)
Total volume · Pterocarpus angolensis · Namibia, Angola · DBH · DBH 9–73 cm · 69 trees
V tot = exp(a + b 1 *lnDBH) ... -8.796 *** 2.441 ***As printed (Table 5, Model 1)
- Total wood volume from DBH and height (Model 3, Table 5)
Total volume · Pterocarpus angolensis · Namibia, Angola · DBH + Height · DBH 9–73 cm · 69 trees
V tot = exp(a + b 1 *lnDBH + b 2 *H) ... -8.626 *** 2.232 *** 0.041 ***As printed (Table 5, Model 3)