Estimation of Leaf Biomass of Caspian Beech (Fagus orientalis Lipsky) in the Forests of East Guilan Province

The forest biomass represents the power production per unit area or time. This parameter is highly correlated with fertility, habitat, and growth rate and forest products. As the process of photosynthesis to produce organic matter, the leaves are done. Caspian beech forests of northern Iran as one of the commercial species, the forest forms the climax.Estimating of caspian beech leaf Biomass, one of the main indicators of scientific management of the species.This study Estimation of leaf Biomass of Caspian beech (Fagus orientalis Lipsky) in the forests of East Guilan province.35 beech trees in the 7 plots (each plot 5 trees) randomly, for estimating of leaf biomass were selected by direct measurement. All leaf cutting from the crown of trees (in terms of one-eighth to one-fourth of the crown and canopy) was separated and in laboratory oven with a temperature of 65 ° C for 48 hours wereand leaf dry weight was calculated as the balance. The diameter at breast height (greater than 7.5 cm), tree height, crown height, crown diameter, large and small, crown area and crown volume were measured. The results showed that the average dry weight of 3342 kg per hectare and average leaf beech trees look wet weight of leaf, 8488 kg per ha. Most correlations between parameters (with the highest coefficient of determination, standard error, and distribution least suitable), the beech tree crown volume (m3) (R2 = 0/983) and beech trees leaf dry weight (kg) are. The best model to predict the dry weight of the beech trees through direct measurement of the equation DLB = 6.751Ln (CV) that IS DLB (dry leafbiomass) and CV (canopy volume.