The economical evaluation of the grazing management project in a part of grasslands in Isfahan province
Isfahan province with 10.5 million ha area,1.9 million ha summer rangeland and 4.4 million ha winter rangeland, has located in the center of Iran.The major part of the summer rangelands includes grasslands.The most important factors in destructing rangelands are : 1‐out of time grazing ( Pre grazing and late grazing).2‐excessive animal (2.8 times over than grazing capacity).3-additional ranchers (5 times over).4-converting rangelands to another land uses (industries,mining,roads and …).In order to prevent the most destructive factor,in the rangelands ( pregrazing),the grazing management project has been conducting for the past 2 decades.The attempt in this project is to defer the animal grazing one month later,from the end of April to the end of May.Already in has not performed any economical evaluation about the grazing management project.
benefit cost ratio‐range production‐grazing management
A.R.Mirsaidi M.J.Aghasi
Deputy and Responsible expert of Isfahan Rangeland Expert of Isfahan Rangeland
国际会议
呼和浩特
英文
2008-06-29（万方平台首次上网日期，不代表论文的发表时间）