ارزش گذاری اقتصادی آب در بخش کشاورزی با رویکرد زیست محیطی

نوع مقاله : مقاله پژوهشی

نویسنده

هیات علمی

چکیده

در این مطالعه به منظور تعیین قیمت آب کشاورزی در منطقه لیشتر،ضمن برآورد الگوی بهینه کشت، اهداف زیست محیطی و اهداف کشاورزان شامل افزایش بازده ناخالص (درآمد) و ریسک مورد نظر قرار گرفت. داده­های مورد استفاده شامل الگوی تولید و استفاده از نهاده­ها و قیمت هر یک از آنها از میان بهره­برداران منتخب که بطور تصادفی انتخاب شدند به دست آمد. با توجه به این که بطور توأم چند هدف مورد بررسی قرار گرفت؛ لذا، از رهیافت برنامه­ریزی چندهدفی استفاده شد. در تدوین الگوی ریسک نیز از بازده ناخالص سالانه دوره 91-1372 محصولات در استان کهگیلویه و بویراحمد استفاده گردید. در این تحقیق ضمن برآورد بازده برنامه­ای کشت بهینه­، محدودیت منابع آب در سطوح 50  ، 60 و70 درصد در برنامه لحاظ گردید که ارزش اقتصادی آب در این سطوح محدودیت به ترتیب برابر با 250 ریال ، 1500 ریال و 3050 ریال تعیین گردید.

کلیدواژه‌ها


عنوان مقاله [English]

Economic valuation of agricultural water with Environmental Restriction (Case Study of Lishter plain)

چکیده [English]

In this study, to determine the price paid for water in Lishter plain, the environmental objectives include reducing water use, fertilizer and chemical pesticides aims at increasing the gross margin (revenue) and gross margin was risk or variance were considered. The data used including: the pattern of production, inputs and price of them, among randomly selected beneficiaries. In this study multigoal planning approach was used. In designing risk model, the annual gross margin period risk of Kohgiloyeh and BoyerAhmad province in 1998-2013 was used. In this study, yield of optimal cultivation was estimated and limited water resources in the 50, 60 and 70% was included in the program, which economic value of water were equal to £ 250, £ 1500 and £ 3050 respectively.

کلیدواژه‌ها [English]

  • "multi objective"
  • "Environment"
  • " economic value"
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