ارزیابی توان محیطی کشت کلزا با مدل فرآیند تحلیل سلسله مراتبی و تاپسیس در استان مازندران

نوع مقاله: پژوهشی

نویسندگان

گروه جغرافیای طبیعی، دانشگاه محقق اردبیلی، اردبیل، ایران

چکیده

کشت کلزا جهت تأمین روغن ­های خوراکی در مناطق معتدل کشور رو به افزایش  است. در این مطالعه، توان محیطی استان مازندران برای کشت کلزا ارزیابی شد. برای این منظور داده­ های اقلیمی ایستگاه­ های سینوپتیکی و کلیماتولوژی استان از قبیل درجه حرارت، بارش، درجه روز-رشد، ساعات آفتابی، تعداد روزهای یخبندان و رطوبت نسبی از سال 1380 تا 1395 مربوط به هر یک از مراحل فنولوژیکی کلزا و داده ­های قابلیت محیطی از قبیل قابلیت و کاربری اراضی، عمق خاک، ارتفاع، شیب و جهت شیب جمع­ آوری شد. به منظور اولویت­ بندی و ارزیابی معیارها در ارتباط با کشت کلزا ار روش تحلیل فرایند سلسله مراتبی استفاده شد. سپس با وزن­ دهی به لایه­ های تهیه شده بر اساس معیارها و مدل مورد نظر، تحلیل فضایی اطلاعات با استفاده از مدل تاپسیس در محیط سیستم اطلاعات جغرافیایی صورت گرفته و لایۀ نهایی ارزیابی تناسب اراضی برای کشت کلزا تهیه شد. در نهایت، استان مازندران از لحاظ کشت کلزا به چهار پهنۀ بدون محدودیت، دارای محدودیت کم، محدودیت متوسط و محدودیت زیاد تقسیم شد. نتایج نشان داد که بخش اعظمی از استان مازندران توان بوم­ شناختی و پتانسیل مناسب برای کشت کلزا را دارا می­ باشد.

کلیدواژه‌ها


عنوان مقاله [English]

Evaluation of rapeseed cultivation potential with analytical hierarchy process model and TOPSIS in Mazandaran Province, Iran

نویسندگان [English]

  • Behrooz Sobhani
  • Boroumand Salahi
  • Mohammad Roshanali
Natural Geography Department, University of Mohaghegh Ardebil, Ardebil, Iran
چکیده [English]

Rapeseed cultivation is growing to provide edible oils in temperate regions of Iran. In current study, environmental potential of Mazandaran Province was evaluated for rapeseed cultivation. The climatic data of the synoptic and climatological stations of the province such as temperature, rainfall, day-growth rate, sunshine, freezing days and relative humidity from 2001 to 2015 related to each phenological stage of rapeseed and environmental capability data such as land use capability, soil depth, elevation, slope and its direction were collected. To prioritize and evaluate the criteria for rapeseed cultivation, a hierarchical process analysis method was used. Then, weighing of the prepared layers based on the criteria and model, spatial analysis of information was carried out using TOPSIS model in GIS environment and a final evaluation of land suitability for canola cultivation was prepared. Finally, Mazandaran province was divided into four unlimited, low, moderate and high-limited regions for rapeseed. The results showed that a large part of Mazandaran Province has ecological potential for rapeseed cultivation.

کلیدواژه‌ها [English]

  •  agricultural climate
  •  geographic information system
  •  land suitability
  •  multi criteria decision making
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