A transect with nearly 45 Kilometers long in NE-SW direction was selected to study in order to analyze the relation between vegetation and some ecological characteristics in Ardestan area and to discover effective factors in plants growth. The starting point of transect was south western parts of Ardestan city and the final point was low lands of Daghe Sorkh; six sites were selected as studying sites along the transect. Most important ecological characteristics of selected sites were determined in four sections: [Climate (12 characteristics)], [soil (26 characteristics)], [geology and physiology (8 characteristics)] and vegetation (canopy cover). To analyze the similarity of the 6 sites and their ltr"
