[1] Univ Mazandaran, Dept Social Sci, Fac Humanities & Social Sci, Babolsar, Iran
[2] Univ Mazandaran, Postgrad Youth Studies, Fac Humanities & Social Sci, Babolsar, Iran
[3] Univ Hohenheim, Inst Social Sci Agr, Dept Rural Sociol, Stuttgart, Germany
[4] Shahid Beheshti Univ, Environm Sci Res Inst, Tehran, Iran
[5] Leibniz Ctr Agr Landscape Res ZALF, Inst Socioecon, Muncheberg, Germany