%0 Journal Article %T Ecuaciones alom¨¦tricas para estimar biomasa y carbono en Quercus magnoliaefolia %A G¨®mez-D¨ªaz %A Jes¨²s D. %A Etchevers-Barra %A Jorge D. %A Monterrosos-Rivas %A Alejandro I. %A Campo-Alvez %A Julio %A Tinoco-Rueda %A Juan A. %J Revista Chapingo. Serie ciencias forestales y del ambiente %D 2011 %I Scientific Electronic Library Online %R 10.5154/r.rchscfa.2010.11.117 %X at the el zapote ejido in the "sierra de huautla" biosphere reserve in the state of morelos, mexico, twelve quercus magnoliaefolia n¨¦e trees were selected and their above-ground biomass determined. the proposed allometric model was expressed as: b = 0.0345 * dbh2.9334, where b is biomass (kg) and dbh is diameter at breast height (cm), with a coefficient of determination (r2= 0.98; po.001). in addition, above-ground biomass was estimated by a multiple linear regression based on basal area (ba), specific gravity of wood (sgw) and tree height (h). a high proportion of the biomass variation was explained by basal area alone. sgw and h did not significantly increase the accuracy of the models. the average percentage of carbon in q. magnoliaefolia trees was 47.14 with values of 46.29 % for the bole, 46.83 % for branches and 48.31 % for foliage. the average proportion of the components of the species studied was 62.5 % for the bole, 27.8 % for branches and 9.6 % for foliage. %K allometric equations %K quercus magnoliaefolia %K above-ground biomass %K wood specific density. %U http://www.scielo.org.mx/scielo.php?script=sci_abstract&pid=S0186-32312011000200009&lng=en&nrm=iso&tlng=en