ارائه مدل پیشنهادیEMOLUP‏ به منظور بررسی توان های اکولوژیک کاربری های مختلف ‏ ‏(مطالعه موردی: شهرستان جهرم)‏

نوع مقاله : علمی - پژوهشی

نویسندگان

گروه مهندسی منابع طبیعی و محیط زیست، دانشکده کشاورزی، دانشگاه شیراز، شیراز

چکیده

آمایش سرزمین علمی است که با توجه به ویژگیهای اکولوژیک سرزمین و شرایط اقتصادی اجتماعی آن، نوع استفاده بهینه از سرزمین را مشخص می سازد. غالب روش های ارزیابی توان مورد بررسی مانند روش های ارائه شده توسط سازمان فائو و همچنین روش اکولوژیکی آمایش سرزمین در ایران با توجه به نوع نگرش به محیط و بررسی اجزای آن و نیز برآورد توان بدون پیش داوری و تنها بر اساس توان ذاتی سرزمین استوار است. لیکن این نگرش های محض به محیط، عوامل اقتصادی اجتماعی را نادیده گرفته و برآوردی ناقص در توان واقعی سرزمین بعمل می آورند. در این تحقیق به بررسی توان های اکولوژیک با استفاده از سامانه اطلاعات جغرافیایی و با مدل پیشنهادیEMOLUP (میانگین هندسی و کالیبره) پرداخته شده است. سپس مقایسه ای بین مدل های توان اکولوژیک (مخدوم)، اصلاح شده آن و میانگین حسابی برای کاربری های مختلف صورت گرفته است. نتایج نشان داد که مدل پیشنهادیEMOLUP از قابلیت بالاتری به منظور برآورد توان واقعی سرزمین در شهرستان جهرم با اقلیم خشک و نیمه خشک برخوردار است.

کلیدواژه‌ها

عنوان مقاله [English]

Suggestion a new model as EMOLUP to land capability evaluation ‎ ‎(A case study: Jahrom Township)‎

نویسندگان [English]

  • Masoud Masoudi
  • Parviz Jokar
Department of Natural Resources and Environmental Engineering, Faculty of Agriculture, University of Shiraz, Shiraz
چکیده [English]

Land use planning is a science that specifies the optimized use of land based on its ecological and socio-economic characteristics. Most assessment methods such as that used by FAO, the Iranian method of land capability survey of the environment and its components and also evaluation calculations without prejudice are all based solely on the inherent territory. However, these methods ignore socio-economic factors and estimate land capability incompletely. In this study, we survey the land capability evaluation using GIS and the EMOLUP (geometric mean and calibration methods) model. Then, comparison was undertaken between the different capability evaluation models, such as makhdoum, its revision and arithmetic method for different uses. The results showed that the proposed model (EMOLUP) has higher accuracy for estimating the real capability in the arid and semi-arid study area.

کلیدواژه‌ها [English]

  • Capability Assessment
  • Proposed Model
  • Ecological Model
  • Geometric Mean
  • EMOLUP‎

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فصلنامه علوم محیطی
دوره 14، شماره 1
فروردین 1395
صفحه 51-68

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