Multispecies allometric models for estimating aboveground biomass in plantation and natural dry Afromontane forests in northcentral Ethiopia

Dry Afromontane forests in Ethiopia are vital carbon sinks, yet accurate biomass and carbon stock assessments have been hindered by the lack of site-specific models. This study developed and validated multispecies allometric equations for Wof-Washa plantation and natural forests using biometric data from 127 trees across seven dominant species. Models incorporating diameter at breast height (DBH) and total height (H) explained up to 95% of aboveground biomass variation and outperformed pan-tropical models in accuracy and bias reduction. These findings provide robust tools for national carbon accounting and support sustainable forest management, contributing to climate mitigation and improved land-use planning in Ethiopia’s highland ecosystems.

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