Introducing of Dead Tree From a Virgin Forest on The Ground of Shast Kollate, Gorgan Site Indicator

Dead woods are importance in forest sustainable management and have a significant role in conservation of forest biodiversity and regeneration. They have affect conservation of nutriment material and recycling of nutriment elements. Other functions of dead woods effect on forest product potency, different formation slope Geomorphologies and floodway. considering management of forests that on synchronous with nature management method superintendence, not enough data, in this study endeavor recognition voluminosity schema dead woods types in virgin forests on the ground of indicator of this site for use forest managers for conservation of biodiversity and sustainable management. This study done in permanent survey plot of Shast- Kollate forest with 16.9 hectare and with census inventory method. Result shows in this virgin forest, the dead wood mean volume was 66.81 m3/ha and the percentage of dead wood that was sang 63 and remain dead wood was standing that was 37% formation. Ratio of dead wood volume on Living Wood volume 0.13 determined. Density of dead wood 25.56 n/ha that maximum proportion was for beech with 46.58%. Results, in comparison with other studies in Iran and European beech (Fagus Sylvatica) forests and reduce site product potency.