Investigation the improvement operations affection on ecological indexes of rangeland health (Jahan Nama Garden, Golestan province)

Rangeland managers must have knowledge about ecological factors that determine therangeland health. In this study used Landscape Function Analysis method for assessment the rangeland health in three landscapes. Sampling done in the three transects of 50 meters length and eleven soil parameters was measured on them. Three attribute functions including infiltration; stability and nutrition recycle measured in three landscapes: 1- complete exclusive rangeland, 2-semi exclusive rangeland, 3- freed exclusive rangeland and contiguous zones of them. Results show that there was significant difference between three attribute functions in three landscapes. Also three attribute functions were higher in three landscapes than contiguous zones. Three attribute functions were higher in "patches" than "inter patches". According to above results, improvement operations controlled the livestock grazing of rangeland and health indices were promoted in the complete exclusive rangeland.