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بهینه‌سازی کاربری اراضی با استفاده از ترکیب روشهای برنامه‌ریزی خطی فازی و تخصیص چند‌هدفۀ اراضی (مطالعۀ موردی: حوضۀ آبخیز چلگرد) | ||
| اکوهیدرولوژی | ||
| مقاله 6، دوره 3، شماره 3، مهر 1395، صفحه 363-377 اصل مقاله (1.02 M) | ||
| نوع مقاله: پژوهشی | ||
| شناسه دیجیتال (DOI): 10.22059/ije.2016.60025 | ||
| نویسندگان | ||
| افشین هنربخش* 1؛ مهدی پژوهش2؛ مریم زنگی آبادی3؛ مسلم حیدری4 | ||
| 1دانشیار، دانشکدۀ منابع طبیعی و علوم زمین، دانشگاه شهرکرد | ||
| 2استادیار، دانشکدۀ منابع طبیعی و علوم زمین، دانشگاه شهرکرد | ||
| 3دانشیار، دانشکدۀ علوم پایه، دانشگاه شهرکرد | ||
| 4دانشجوی دکتری، دانشکدۀ منابع طبیعی و علوم زمین، دانشگاه شهرکرد | ||
| چکیده | ||
| در چند دهۀ گذشته از مدل‌های متعددی مانند مدل برنامه‌ریزی خطی برای مدیریت حوضههای آبخیز و تعیین الگوی کشت بهینه در برنامهریزیهای کشاورزی استفاده شده است. روشهای مدیریت و برنامه‌ریزی برای تخصیص بهینۀ منابع به‌منظور به‌دست‌آوردن بیشترین منافع از مهم‌ترین ابزارهای کاربردی در زمینههای مختلف از جمله منابع طبیعی مانند منابع آب هستند. در این تحقیق با استفاده از روشهای بهینه‌سازی، از یک مدل تک‌هدفۀ برنامه‌ریزی خطی فازی برای بهینه‌سازی کاربری اراضی و از یک مدل بهینه‌سازی چند‌هدفه برای تخصیص بهینۀ منابع استفاده شد. براساس نتایج مدل ترکیبی ارائه‌شده می‌تواند مبنایی برای مدیریت صحیح منابع باشد و تا حدود 12 درصد فرسایش خاک را کاهش دهد. همچنین نتایج نشان داد در شرایط بهینه سطح اختصاص‌یافته به اراضی کشت دیم 59 درصد کاهش و سطح اراضی مرتعی، کشت آبی، باغ‌ها و بیشه‌ها به‌ترتیب 1، 9، 94 و 229 درصد افزایش می‌یابد. شایان یادآوری است که مدل جدید ارائه‌شده، نوعی مدل سازگار با شرایط اجتماعی و اقتصادی حوضۀ آبخیز است و می‌توان از آن برای استفادۀ بهتر و نیز حفظ و احیای منابع طبیعی موجود استفاده کرد و آن را به‌عنوان نوعی مدل مبتنی بر شرایط زیست‌محیطی معرفی کرد. | ||
| کلیدواژه‌ها | ||
| برنامه‌ریزی خطی فازی؛ بهینه‌سازی؛ تخصیص چند‌هدفۀ اراضی؛ منابع طبیعی | ||
| عنوان مقاله [English] | ||
| Land Use Optimization Using Combination of Fuzzy Linear Programming and Multi Objective Land Allocation Methods (Case Study: ChelgerdWatershed) | ||
| نویسندگان [English] | ||
| Afshin Honarbakhsh1؛ Mahdi Pajoohesh2؛ Maryam Zangiabadi3؛ Moslem Heydari4 | ||
| 1Faculty of Natural Resources and Earth Sciences, University of Shahrekord, Iran | ||
| چکیده [English] | ||
| Over the past few decades, several models such as the LP model have been used for managing watersheds and determining optimal cultivation pattern for agricultural planning. Management and planning methods are the most important applied tools of management science for optimal allocating resources in order to gain the most profits in the different fields including natural resources, water resources. In this research, using optimization methods, a single objective fuzzy linear programming model was used to land use optimization and a multi objective optimization model for optimal allocation of resources. The results showed that the proposed combined model can be the base for correct management of resources and decrease the amount of soil erosion to 12 percent.Also, the results indicated that under optimized condition, the area allocated to dry farming lands will decrease about 59% and the area of rangelands, irrigated agricultures, gardens and forest plantation will increase about 1%, 9%, 94% and 229% respectively. It is mentioned that the new produced model is a model which is compatible with social and economic condition of watershed and can apply for better use, conservation and rehabilitation of existent natural resources and can be introduce as model which is on the basis of environmental approach. | ||
| کلیدواژه‌ها [English] | ||
| Optimization, Fuzzy linear programming, Multi objective land allocation, Natural Resources | ||
| مراجع | ||
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