. Ahmadi R. Oak forest decline zonation using AHP model and GIS technique in Zagros Forests of Ilam Province. Forestry PhD thesis. College of Agriculture. Natural Resources. Islamic Azad University. Science and Research Branch of Tehran.1393;40-65. [Persian].
. Saqib Talib KH, Pourreza M. Khan Hosni M. Check oak forest habitat in Kerman province. Scientific – research Iran's natural ecosystems.1390;2:54-57(Persian)
. Hosseinzadeh J, Aazami A, Mohammadpour M. Influence of topography on Brant`s oak decline in Meleh-Siah Forest. Ilam Province. Iranian Journal of Forest and Poplar Research. 2015; 23 (1):190-197. [Persian].
. Hosseini A, Hosseini SM, Rahmani A, Azadfar D. Comparison between two oak stands (healthy and affected by oak decline) in respect to characteristics of competitive environments at Ilam province. Iranian Journal of Forest and Poplar Research. 2014; 4: 601-616. [Persian].
. Hamzehpour A, Kia-daliri H, Bordbar K. Preliminary study of manna oak (Quercus brantiiLindl.) tree decline in Dashte-Barm of Kazeroon. Fars province. Iranian Journal of Forest and Poplar Research. 2011; 19(2): 352-363. [Persian].
. Derikvandi A, KHosravi M, Taseh M, Heidarpour Monfared A. Investigation of the variations of middle zagros forests area between using aerial photo interpretation and use of GIS (case study: Kaka Reza region of Lorestan province). 1393;35-50. [Persian].
. Atarod P, Sadeghi SM, Dolatshahi A, Zahedi Amiri G. Climatic parameters of the Zagros. The first national conference on environmental hazards Zagros. Khorramabad. 2013; 85. [Persian].
. Marvie Mohajer MR. Forest science and Silviculture. University of Tehran. 2011; 3-387. [Persian].
. Noshadi H, Namiranian M, Attarod P, Hoseinzadeh J. Effect of Physiographic Factors on Mortality of Persian Oak in the Middle of Forests (Case study: Ilam). journal of forest and wood product. 1393; 67(1): 73-84. [Persian].
. Attarod P, Kheirkhah F, Khalighi Sigaroodi S, Sadeghi SM. Sensitivity of reference evapotranspiration to global warming in the Caspian region. North of Iran. Journal of Agricultural Science and Technology. 2015; 17: 869-883. [Persian].
. Allen RG, Pereira LS, Raes D, Smith M. Crop evapotranspiration. FAO Irrigation and Drainage Paper. Rome. Italia. 1998; 300.
. Barnes B, Zak V, Denton R, Spurr SH. Forest Ecology. John Wiley& Sons. Inc. New York. 1997.
. Guarin A, Taylor AH. Drought triggered tree mortality in mixed conifer forests in Yosemite National Park. California. USA. Forest ecology and management. 2005; 218: 229-244.
. Goyal RK. Sensitivity of evapotranspiration to global warming: a case study of arid zone of Rajasthan (India). Agricultural Water Management. 2004; 69:1-11.
. Kabrick JM, Dey DC, Jensen RG. The role of environmental factors in oak decline and mortality in Ozark Highlands. Forest Ecology and Management. 2008; 255(5-6):1409-1417.
. Shifley SR, Rogers R. Th e ecology and silviculture of oaks. 2nd edition. Wallingford Oxfordshire. UK: CAB International. 2009.
. Malczewski J, GIS and Multicriteria Decision Analysis. John Wiley & Sons. New York. 1999.