New approach in dendro-genetic method for identification of beech tree variability

In this research study, tree rings widths of beech tree, obtained by the cores, from different elevation were analyzed, to study variability in Fagus orientalis Lipsky. This investigation provides a new approach to use Dendro-Genetic Method in line of dendrochronology to recognize phenotypic variability in forest trees. Results provided in this research, is part of a wide range of dendrochronology study which have been taken during last five years to consider climate change impacts on Hyrcanian forest ecosystems. Target species in this study is Fagus orientalis collected from Korkoy forest district in Golestan province. Sample cores were collected along a transect line (profile) in three elevation levels, namely 366, 1236, and 1646 meters above sea level. Genetic variability was considered in relation to the different climatic and environmental factors. According to this method that implied in very wide range, possibility of recognition of phenotypic variability was examined. The experiment results indicated that based on the studies on trees through genetic dendrochronology, the existing diversity of the species may be investigated.