نشریه علمی - پژوهشی مرتع و آبخیزداری

نوع مقاله : مقاله پژوهشی

نویسندگان

1 دانشیار گروه آبخیزداری، دانشکدة منابع طبیعی، دانشگاه تربیت مدرس

2 استاد گروه احیای مناطق خشک و کوهستانی، دانشکدة منابع طبیعی، دانشگاه تهران

چکیده

بهینه‏سازی کاربری اراضی یکی از راهکارهای مناسب برای حفاظت خاک است. از این رو، تحقیق حاضر با هدف بهینه‏سازی کاربری اراضی به منظور کمینه‌‌کردن فرسایش و بیشینه‏سازی سود در حوضة آبخیز طالقان با مساحت 23/80427 هکتار انجام شد. بدین منظور، با محاسبة مساحت، میزان فرسایش، و درآمد خالص هر یک از کاربری‏های اراضی حوضة آبخیز مورد تحقیق، با توجه به استانداردهای مورد نیاز هر یک از کاربری‏های اراضی، سطح هر یک از کاربری‏ها استخراج و با تعیین محدودیت‏ها و دو تابع هدف با استفاده از نرم‏افزار ADBASE بهینه‏سازی شد. نتایج تحقیق حاضر نشان می‌‏دهد میزان فرسایش از 28/6 تن در هکتار در سال به 84/5 تن در هکتار در سال (99/6 درصد) و میزان سود از 38/118174 به 02/112681 میلیون ریال (65/4 درصد) پس از بهینه‏سازی کاربری اراضی کاهش یافته است. همچنین، بر اساس نتایج، پیشنهاد می‌شود اراضی با کاربری دیم به اراضی با کاربری زراعت آبی و باغ و مرتع تبدیل شود.
 

کلیدواژه‌ها

عنوان مقاله [English]

Land Use Optimization for Soil Erosion Minimization and Pure Income Maximization in the Part of Taleghan Watershed

نویسندگان [English]

  • Mehdi Vatakhah 1
  • Mohsen Mohsenisaravi 2
  • Hasan Ahmadi 2

1 Associate Professor, Department of Watershed Management, Faculty of Natural Resources, Tarbiat Modares University

2 •; Professor, Department of Rehabilitation of Arid and Mountainous Regions, Faculty of Natural Resources, University of Tehran

چکیده [English]

Land use optimization is one of the suitable methods for soil conservation. The present research with objective of land use optimization for soil erosion minimization and pure income maximization was conducted in the part of Taleghan Watershed which comprises 80427.23 ha in area. To achieve this propose, area, erosion rate and net income value of each land uses according to requiring standards of each land uses area was extracted. Then, limitations and two objective functions were determined and optimization problem was solved by using ADBASE software. The results revealed that the optimization decrease 6.99 percent of erosion rate(6.28 ton/ha/year to 5.84 ton/ha/year) and 4.65 percent of pure income(118174.38 to 112681.02 million Rials). Also, the results proposed that drylands farming are changed to garden and orchard and rangelands.    

کلیدواژه‌ها [English]

  • Optimization
  • Land Use
  • Linear programming
  • ADBASE software
  • erosion
  • Taleghan. Optimization
  • Taleghan
 

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