همکاری با انجمن علمی مدیریت و کنترل مناطق بیابانی ایران

نوع مقاله : مقاله پژوهشی

نویسندگان

1 دانشیار اقتصاد منابع طبیعی، دانشگاه علوم کشاورزی و منابع طبیعی ساری، مازندران، ایران

2 دکتری اقتصاد کشاورزی از دانشگاه زابل، زابل، ایران

3 استادیار پژوهشکده محیط زیست و توسعه پایدار سازمان حفاظت محیط زیست، تهران، ایران

چکیده

پارک ملی بمو در ایران، دارای بسیاری از کارکردهای محیط زیستی از جمله کارکردهای تنظیمی ‌اکوسیستم است. کارکرد اکوسیستمی تهیه و تنظیم آب توسط اکوسیستم‌های جنگلی و مرتعی، شامل تنظیم جریان‌های فصلی آب، تأمین آب برای مصارف مختلف، تصفیه و ذخیره آب است. در این مطالعه، تأثیر پوشش گیاهی غالب در پارک ملی بمو (شامل گون پنبه‌ای، گون انذروت، جو سیخ، بادامک، تنگرس، کاهو وحشی و بومادران) بر کنترل رواناب در 4 تیپ فرسایشی خاک با استفاده از روش جاستین و نیز ارزش اقتصادی آن برآورد شده است. بر اساس یافته‌های پژوهش، تأثیر پوشش‌های گیاهی بر کاهش ارتفاع روان آب در 4 تیپ فرسایشی E1 الی E4، برآورد شد که به ترتیب برابر با 28/1، 71/0، 71/0 و 19/1 سانتی‌متر بود. همچنین ارزش اقتصادی آب حفاظت‌شده در سفره‌های آب زیرزمینی در کل مساحت فعلی پارک  10536/68 میلیارد ریال و به ازاء هر هکتار 792/1 میلیون ریال در سال 1391 برآورد شده است.

کلیدواژه‌ها

عنوان مقاله [English]

Determining the economic value of water conservation function by plant coverage of Bamou national park

نویسندگان [English]

  • Hamid Amirnejad 1
  • Kamal Ataie Solout 2
  • Ardavan Zarandian 3

1 Associate professor of Agricultural Economics, Agricultural and Natural Resource University of Sari, Mazandaran, Iran

2 Ph.D. of Agricultural economics, University of Zabol, Sistan and Balouchestan, Iran

3 Assistant professor of Research Center of Environment and Sustainable Development, Tehran, Iran.

چکیده [English]

     Bamou national park in Iran has many environmental functions such as ecosystem regulation functions. The ecosystem function of water regulation by forest and rangeland ecosystems includes seasonal water flow regulation, water supply for various uses, treatment and storage of water. In this study, effects of dominant vegetation in the Bamou National Park (including Astragalus gossypinus, Astragalus susianus, Ebenus stellate, Amygdalus scoparia, Amygdalus lycioides, Scariola orientalis and Scariola orientalis) on the runoff control were estimated in four soil erosion types using Justin method. According to the results, effects of vegetation on the runoff height reduction were estimated to be 1.28, 0.71, 0.71 and 1.19 centimeter in four erosion types of E1 to E4, respectively. In addition, the economic value of water conserved in the underground aquifers in the current area of park was estimated to be 68.105 billion rials and 1.792 million rials per hectare in 2012.

کلیدواژه‌ها [English]

  • Bamou National Park
  • Economic Valuation
  • Justin Method
  • Plant Coverage
  • Water conservation
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