Heydarnezhad, Somayeh, Ranjbar Fordoei, Abolfazl, Mousavi, Sayed Hojat, Mirzaei, Rohollah (2017). Evaluate the sensitivity of ecoregion to desertification in the Lorestan province in the framework of life cycle assessment. *Journal of RS and GIS for Natural Resources*, 8(1), 19-35.