شناسایی عوامل مؤثر بر توسعه جنگلهای حرا با استفاده از آنالیز سلسله مراتبی فازی (مطالعه نمونه: جنگل‌های حرای استان هرمزگان)

نوع مقاله: علمی- پژوهشی

نویسندگان

1 دانشجوی دکترای محیط زیست، دانشگاه تهران

2 هیات علمی دانشگاه تهران

3 دانشجوی دکترای جنگلداری، دانشگاه علوم کشاورزی و منابع طبیعی گرگان

چکیده

جنگل‌های حرا به‌عنوان یکی از مهم‌ترین سرمایه‌های ملی طبیعی در مناطق گرمسیری و نیمه‌گرمسیری، همواره موردتوجه مردم محلی و برنامه‌ریزان بوده است، اما متأسفانه هیچ پژوهشی مبنی بر توسعه درست و اصولی آنها انجام نگرفته و اغلب تلاش‌ها برای توسعه این اکوسیستم‌ها، به شکست منجر شده است. این بررسی با هدف شناسایی مشخصه‌های مهم در یافتن مکان‌های مناسب برای توسعه این اجتماعات در سواحل استان هرمزگان به‌انجام رسید. به همین ‌منظور در ابتدا 25 تحقیق مختلف در سطح ایران و جهان، با هدف شناخت معیار‌­های مؤثر بر توسعه بررسی شد و 3 معیار و 9 زیرمعیار شناسایی شد. سپس معیار‌ها و زیرمعیار‌های شناسایی‌شده با روش دلفی غربال و با استفاده از روش تحلیل سلسله مراتبی فازی وزن‌دهی شدند. نتایج نشان داد که سه معیار اقلیم، ویژگی‌های آب دریا و ویژگی‌های فیزیکی زمین و هشت زیرمعیار بارش، دمای هوا، نوع اقلیم، موج، جزرومد، کیفیت آب و ویژگی‌های فیزیکی و شیمیایی زمین برای گزینش مکان‌های مناسب به‌منظور استقرار رویشگاه‌های دست‌کاشت حرا دارای اهمیت هستند. معیار ویژگی‌های زمین به‌عنوان مهم‌ترین معیار و ویژگی‌های فیزیکی زمین و بارش به‌ترتیب به‌عنوان مهم‌ترین و کم‌اهمیت‌ترین زیرمعیارها شناسایی شدند. ضریب سازگاری قضاوت‌ها در روش تحلیل سلسله مراتبی فازی، کمتر از 1/0 تعیین شد که نشان‌دهنده سازگاری در قضاوت‌ها بود.
 

کلیدواژه‌ها


عنوان مقاله [English]

Using a Fuzzy AHP approach to identify the affective parameters on development of Mangroves (A case study: Avicennia marina stands of Hormozgan Province)

نویسندگان [English]

  • Hasti Petrosian 1
  • Afshin Danehkar 2
  • Sajjad Ali Mahmoudi Sarab 3
1 Ph.D. Student, Department of Environment and Energy, Science and Research Branch, Islamic Azad University, Tehran, Iran
2 Associate Professor, Department of Environmental Science, Faculty of Natural Resources, University of Tehran, Tehran, Iran
3 Ph.D. Student, Department of Forestry and Forest Economics, Faculty of Natural Resources, Gorgan Agricultural Sciences and Natural Resources University, Gorgan, Iran.
چکیده [English]

This survey aimed to identify a set of crucial parameters which contribute to form the suitable sites for developing mangroves in Hormozgan Province. Therefore, a systematic literature review on 25 studies in Iran and comparable regions was conducted to identify the potentially-influential factors. It led to the subsequent selection of 3 main criteria and 9 sub-criteria. These were examined across the study site by means of Delphi method. The entire criteria were also weighted by Fuzzy Analytic Hierarchy Process (AHP). The results indicate that the climate, the seawater properties and the physiographic properties (as main criteria) as well as the precipitation, the air temperature, the climate type, the sea waves, the tidewater quality and the physiochemical properties of land (as sub-criteria) play the most vital roles in the formation of optimal sites for Avicennia marina establishment. The physiographic property was the most crucial criterion, whereas the physical properties of land and precipitation were the most and least significant criteria, respectively. The results also returned a compatibility index of less than 0.1 in fuzzy hierarchical cluster analysis, which indicates the compatibility of judgments.
 

کلیدواژه‌ها [English]

  • Main and sub criteria
  • siting
  • Avicennia marina
  • fuzzy hierarchical cluster analysis
  • Hormozgan province
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