بررسي برخي از خصوصيات رويشي گونه بند (pistacia mutica) در جنگل هاي منطقه ماه پرويز ياسوج

Survey of some vegetative characteristics pistacia mutica species in yasuj forestes. (Mah parviz local forestes)

To qualitative and quantitative analysing of turpentive tree (pistacia mutica ) on area in the size of 200 hectare in east northern of yasuj in forest of Mah parviz bottle neck was assigned. By selecting the area under stuely distribution area of turpentive trees on the topographical map of 1:20000 was identified and enclosed then by providing accidental systematic network 40 pieces 20 R circular sample was identified and all the activities and quantitative and qualitative measurments was focused on these parts. At these parts qualitative measurement including number of trees send shrub in each hectare height of trees dimension, ... as well as qualitative measurement such as crown status species form percentage of species mixture quailing of trunk and crown were down. The results showed that despire the sparseness in regions forest,trees with high elevation were not observed .In this region height of seed producing trees is 5 to 10 meter and height brunch producing trees is 2 to 8 meter. Measuring of diameter equal to trees slope in sum pleparts showed that the lorgest number of trees in diameter class were distributed in 10 to 30 cent meter . Of crown cover and density of forest trees, most density of crown cover belonged to oac with 83/9 trees per hectare and the lowest density belonged to mountain calomel with 41/8 trees hectare . Average available mass in hectare in the sample parts equal to 148/86. propotion of percentage of mixture in trees and shrubly species in sample ports respectively equal to turpentine tree with 65/32 % Oak tree with the results of the quantitative review of forest area under study showed that totally 12/1 % of trees in fected ,with diseases and pests, 13% broken ,6/8% driedup , 5/4% within carious ,7/9% artificial cut ,5/1% trunkburu,7% purge and 3% pruning of twigs. In total tree trunks were short and had mony branches and in Oak tree were group and lack of lush altitude most trees were used for fire wood consumption and were lack of commercial and industrial uses.