Species Specific Allometric Equations For Biomass Estimation Of Three Selected Trees Species In Egdu Forest Of Oromia National Regional State

Species specific allometric equations are important for accurate net aboveground biomass estimation and quantifying carbon stock in living tree biomass of terrestrial ecosystems. This study was undertaken to develop species-specific allometric equation semi-destructively of two indigenousand one exotic tree species namely Mytenu sobscura, Rosa abyssinica and Eucalyptus globulus respectively in Egdu forest of Oromia Region. Currently, like that most Ethiopian forest such model did not exist for this particular species by this methodology. The data was taken from 12 individuals of each species with different DBH class intervals. Preferential sampling method was used to collected data by DBH class. The allometric equations were developed by relating tree component biomass to DBH or basal diameter. Four equations with high adjusted R2adj&correlation and low AIC & RSE value were selected for each tree species and the statistical analysis was highly significant (p

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