Investigation relationship between some of environmental factors and ecological groups in Golzar Izeh, Iran.

The relationship between ecological species groups and some of indicator environmental factors were studied in Golzar Izeh area. Random- systematic sampling method was applied. 40 plots with an area 1200 square of meter were taken for trees and shrubs species and in each plot، 3 transects were settled for herbs. Soil sampling was performed from 0 to 20cm. Measured data were analyzed by PCA ordination and TWINSPAN classification. The results of classification were shown that the plant communities، can divided to three ecological groups. The results of ordination which coincided to classification outcome، were revealed that the most important environmental factors which are shown significant correlation with three ecological groups included: pH، cover percentage of rock، percentage of litter and CaCO3 in terms of percent.