Monitoring the impact of off-road vehicles on the corridors of the Lut Desert World Heritage Sites

Document Type : Research Paper

Authors

1 tehran university

2 Associate Professor, Natural Geography (Geomorphology), Faculty of Geography, University of Tehran, Tehran, Iran

Abstract

Off-road activity has increased significantly in different environments, especially arid regions and desert environments of the world, which can have negative effects on the ecosystem and different levels of desert landforms. This study is based on a qualitative, descriptive-analytical and quantitative method that examines and monitors the trampling of landforms in desert areas and emphasises the need to protect the Lut Desert as a unique natural and cultural heritage against anthropogenic factors. This study was conducted at two levels. In the first level, the effects of off-road were studied and monitored in different years, and in the second level, the region wind and its relationship to the persistence of off-road effects on the land of desert forms were analyzed. This study was conducted in the northwestern region of Shahdad clots to Shoor river at a distance of three thousand meters from Shahdad-Nehbandan road. First, Aphrodite works were obtained in digital satellite images and then the density of Aphrodite works was obtained at certain intervals and compared on both sides of the road. During different years, these digitized works were examined and monitored. Based on the obtained results, it was found that the density of off-road effects has an increasing trend and shows that in recent years, off-road riding in the Lut desert has attracted more tourists. At a distance of three thousand meters from the road, the density of off-road effects is about 14%. And at a distance of two thousand meters 6%. And at a distance of three thousand meters 01%. The result shows that there is a direct relationship between the distance from the road and the off-road density.

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Main Subjects

Full Text

فعالیت آفرود در محیط‌های مختلف، به‌ویژه مناطق خشک و محیط‌های بیابانی جهان به‌طور قابل‌ملاحظه‌ای افزایش یافته است که می‌تواند آثار منفی بر روی اکوسیستم و سطوح مختلف لندفرم‌های مناطق بیابانی داشته باشد. این  مطالعه مبتنی بر شیوه کیفی، توصیفی-تحلیلی و کمی می‌باشد که به بررسی و پایش پاکوب شدن در مناطق بیابانی پرداخته و تأکید آن بر ضرورت حفاظت از بیابان لوت به‌عنوان یک میراث طبیعی و فرهنگی در مقابل عوامل آنتروپوژنیک می‌باشد. این پژوهش در دو سطح انجام‌ شده که در سطح اول اثرات آفرود در سال‌های مختلف مورد بررسی و پایش قرار گرفت و در سطح دو، باد منطقه و ارتباط آن بر تشدید فرسایش خاک و ماندگاری اثرات آفرود و همچنین تاثیر آن برراهرو‌های  کلوت‌های بیابان لوت بررسی شد. این مطالعه در منطقه شمال غربی کلوت‌های شهداد تا رود شور در فاصله سه هزار متری از جاده شهداد-نهبندان در استان کرمان صورت گرفت. ابتدا آثار آفرود در تصاویر ماهواره‌ای اخذ شدهِ از گوگل ارث رقومی شده و سپس تراکم آثار آفرود در فواصل معینی به‌دست ‌آمده و نتایج در دو طرف جاده با یکدیگر مقایسه شد و طی سال‌های مختلف نیز این آثار رقومی شده مورد بررسی و پایش قرار گرفت. بر اساس نتایج به‌دست ‌آمده مشخص شد تراکم اثرات آفرود روند افزایشی داشته و نشان دهنده آن است که در سال‌های اخیر آفرودسواری در بیابان لوت بیشتر مورد توجه گردشگران قرارگرفته است. در محدوده مورد مطالعه در فاصله سه هزار متری از جاده تراکم اثرات آفرود حدود14/0 درصد و در فاصله دوهزارمتری 6/0 درصد و در فاصله سه هزار متری 01/0 درصد به‌دست‌آمده که نشان می‌دهد بین فاصله از جاده و تراکم آفرود ارتباط مستقیم وجود دارد. در نهایت هات اسپات‌های آفرود منطقه مطالعاتی با استفاده از تراکم اثرات آفرود به دست آمد.

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