روی‌کردی جدید و کمی در وزن‌دهی و ارزیابی توان بوم‌شناسی سرزمین و مقایسه آن با روش رایج ارزیابی چند‌معیاره در کاربری‌های کشاورزی و مرتعی شهرستان سپیدان

نوع مقاله : پژوهشی

نویسندگان

1 کارشنا سارشد، گروه مهندسی منابع طبیعی و محیط زیست، دانشکده ی کشاورزی، دانشگاه شیراز

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

چکیده

آمایش سرزمین نوع استفاده ی بهینه از سرزمین را با توجه به ویژگ یهای بوم شناسی سرزمین و شرایط اقتصادی -اجتماعی آن مشخص می سازد. در این تحقیق ارزیابی توا ن بوم شناسی کاربر یهای کشاورزی و مرتعی در شهرستان سپیدان فارس با استفاده از سامانه ی اطلاعات جغرافیایی بررسی شده است. رو شهای مختلفی برای وز ندهی شاخ صها وجود دارد. در این تحقیق از یک روش کمی پیشنهادی برای وز ندهی معیارها و ارزیابی کاربر یها در مقایسه با روش رایج ارزیابی چند معیاره استفاده شد. در روش رایج ارزیابی چند معیاره نیز رو یکرد وز ندهی با روش تحلیل سلسل همراتبی اصلاح شده به کارگرفته شد. برای بررسی عم لکرد هر یک از شبی هها ارزیابی صحت براساس رو یکرد ماتریس خطا انجام شد. نتایج نشان داد که برای تخمین توان بو مشناسی منطقه، روش پیشنهادی وز ندهی منطقه یی دقت بی شتری از روش رایج ارزیابی چند معیار هی اصلاح شده دارد. در مجموع، نتایج این مطالعه نشان داد که روش پیشنهادی وز ندهی منطقه یی ب هدلیل سادگی، نیازنداشتن به پرسش نامه، و صرفه جویی در زمان و هزینه م یتواند جای گزین رو شهای معمول وز ندهی شود.

کلیدواژه‌ها


عنوان مقاله [English]

A New and Quantitative Approach to Weighting and Ecological Capability Evaluation and Comparison with the Current Method of Multi-Criteria Evaluation in Agriculture and Rangeland Uses, Sepidan County

نویسندگان [English]

  • Parviz Jokar 1
  • Masoud Masoudi 2
  • Somayeh Razaghi 1
1 Department of natural resources and environmental engineering, Faculty of agriculture, Shiraz University, Fars, Iran
2 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 land-use based on ecological and socioeconomic characteristics. This study investigated ecological capability evaluation for agriculture and rangeland uses using the GIS in the Sepidan County, Fars Province. There are different methods for weighting of parameters. A proposed quantitative method was used in this research for weighting criteria and land-use evaluation compared to the current method of multi-criteria evaluation. In relation to the common method of multi-criteria evaluation, it uses weighting approach based on the Modified Analytic Hierarchy Process (M-AHP). The performance of each of the mentioned models was evaluated throughout error matrix. Results showed that the proposed method of Regional Weighting (RW) has higher accuracy than MCE (M-AHP) in estimation of the ecological potential of the study area. In overall, the results showed that the proposed method of Regional Weighting can be replaced with common methods of weighting due to simplicity, as it has no need for questionnaires, which saves time and costs.

کلیدواژه‌ها [English]

  • ecological potential
  • land use planning
  • modified method
  • regional weighting
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