Assessment of Watershed Catchment Ecological Power with Taxonomy Method for Watershed Comprehensive Management (Case Study: Watershed Zydasht, Taleghan)

Nowadays watershed catchments have been introduced as the main point of permanent development in many management discussions. Watershed catchments ecological power assessment and their rankings according to different Ethological criteria is one of the important factors in watershed catchments planning and management. Taxonomy method is one of the most comprehensive planned systems for assessing the power of related variables in planning and decision making for the future. In this research, four subcatchments of Zidasht catchment located in Taleghan region has been selected. Based on Taxonomy method, four effective variables in watershed catchments management plans (plant composition index, soil protection index, erosion and sediment index, and water quantity index) has been selected. Results demonstrates that the most effective index is the soil protection index and the ranking and the first priority among four selected sub catchments to perform management plants according to four mentioned indexes is D1 zone. The most important indicator of soil conservation index, the D2 sub and DINT1 and DINT2 are next in priority.