year 5, Issue 2 (2015 summer 2015)                   E.E.R. 2015, 5(2): 55-66 | Back to browse issues page

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shakeri F, ekhtesasi M R. Desertification intensty assessment of Lar city area. E.E.R. . 2015; 5 (2) :55-66
M.Sc Yazd University ,
Abstract:   (2084 Views)
Now days desertification of lands in phenomelal that threaded different region of world specially arid, semi arid and semi-arid humid. In this research whit using of two Irainian new methods: IMDPA that is based on geometric sum and MICD that is based on arithmetic sum. Desertification capacity of Lar city area during recent half century (from 1995 to 2005) has considered with emphasis on factor of urbanization and industrial development. For this purpose as region situation was used following five indexes: the ratio of the potential population acceptance to actual population, the raito of residential and industrial lands to horticultural and agricultural lands, road and mine density, and percapital green areas. Finally studies showed in IMDPA method 43.79 persent of total region (hectare 4348.67) in low class of desertification, 35.01 persent (hectare 3476.62) in medal class, 21.09 persent (hectare 2049.21) in severe class and 0.11 persent (hectare 10.54) which it sets to the high severe desertification. Whereas in MICD method 43.8 persent of total region (hectare 4349.12) in low class desertification, 26.38 persent (hectare 2619.92) in medal class and 29.82 persent (hectare 2961) which it sets to the severe desertification. Ingeneral as for scoring method in MICD through indexes Pirewise comparison with done Analytical Hierarchy Process, this model has peresented more acceptable results from desertification to IMDPA model that is more near to the realty.
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Type of Study: Research |
Received: 2015/04/12 | Published: 2016/02/12

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