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ارزیابی و رتبه‌بندی ریسکهای زیست‌محیطی منطقۀ حفاظت شدۀ دنا با استفاده از روش تحلیل سلسله مراتبی (AHP) | ||
| نشریه محیط زیست طبیعی | ||
| مقاله 16، دوره 70، شماره 2، مرداد 1396، صفحه 439-455 اصل مقاله (1.18 M) | ||
| نوع مقاله: مقاله پژوهشی | ||
| شناسه دیجیتال (DOI): 10.22059/jne.2017.137299.1052 | ||
| نویسندگان | ||
| سیده فهیمه ملک حسینی1؛ سولماز دشتی* 2 | ||
| 1دانش آموخته کارشناسی ارشد، گروه محیط زیست، واحد اهواز، دانشگاه آزاد اسلامی، اهواز، ایران | ||
| 2استادیار گروه محیط زیست، واحد اهواز، دانشگاه آزاد اسلامی، اهواز، ایران | ||
| چکیده | ||
| مناطق حفاظت شده ابزاری قدرتمند برای مقابله با بحران تنوعزیستی هستند و ارزیابی تهدیدات مناطق حفاظت شده، گامی اساسی برای اطمینان یافتن از حفاظت منابع و تبیین اقدامات حفاظتی در آینده است. منطقۀ حفاظت شدۀ دنا یکی از غنیترین نقاط کشور از نظر تنوعزیستی با وسعتی معادل 93780 هکتار در شهرستان سیسخت واقع شده است. در این پژوهش جهت شناسایی ریسکهای موجود در منطقه از روش دلفی استفاده شد. سپس با توجه به طیف امتیازدهی لیکرت از 26 عامل ریسک شناخته شده در منطقه، 18 عامل ریسک به عنوان ریسکهای نهایی در دو گروه ریسکهای طبیعی و ریسکهای محیط زیستی انتخاب گردیدند. جهت تجزیهوتحلیل و اولویتبندی ریسکهای شناسایی شده از فرآیند تحلیل سلسله مراتبی (AHP) و محیط نرمافزاری Expert Choice استفاده شد. نتایج نشان داد که ریسک فرسایش خاک از معیار ریسک طبیعی با وزن 105/0، ریسک تأثیرات مخرب کشاورزی محلی در منطقه با وزن 025/0 در زیرمعیار فیزیکی، ریشهکنی گیاهان مرتعی و دارویی با وزن 049/0 در زیر معیار بیولوژیکی، بهرهبرداری از پوشش گیاهی و جنگلی باهدف تأمین علوفۀ دام، سوخت و ... با وزن 104/0 در زیرمعیار اقتصادی اجتماعی و عدم مدیریت جامع کارآمد از محیطزیست با وزن 074/0 در زیر معیار فرهنگی بالاترین وزن را بخود اختصاص دادند. وضع موجود مدیریت منطقه نشاندهندۀ این است که در حال حاضر برنامه‌ریزی مناسب و مدیریت جامع کارآمد جهت حفاظت از منطقه و امکان اجرای استفاده‌های چندجانبه با تأکید بر حفظ موجودیت آن اجرا نمیشود. مدیریت کنترل خطرات، اجرای بهینۀ کلیۀ ضوابط مندرج در قوانین حفاظت و بهسازی محیط و شناسایی نقاط آسیب‌پذیر میتواند در راستای مدیریت منطقۀ حفاظت شده دنا مؤثر باشد. | ||
| کلیدواژه‌ها | ||
| مخاطرات؛ مدیریت ریسک؛ دنا؛ AHP | ||
| عنوان مقاله [English] | ||
| Evaluation and ranking of environmental Risks in Dena Protected Area using Analytical Hierarchy Process (AHP) | ||
| نویسندگان [English] | ||
| Seyedeh Fahimeh Malekhosseini1؛ Soolmaz Dashti2 | ||
| 1M.Sc. Graduated, Department of Environment, Ahvaz Branch, Islamic Azad University, Ahvaz, Iran. | ||
| 2Assistant Professor, Department of Environment, Ahvaz Branch, Islamic Azad University, Ahvaz, Iran | ||
| چکیده [English] | ||
| Protected areas are a powerful tool to tackle the biodiversity crisis and threat assessments of protected areas, essential for ensuring the conservation and explain the protective measures in the future. Dena protected area is one of the richest parts of the country in terms of biodiversity with an area of 93780 hectares located in the Sisakht County. In this study, the Delphi method was used to identify risks in the region. According to the Likert range, from 26 identified risks in the region, 18 risk factor selected as the final risks in tow groups of environmental risks and natural risks. In order to analysis and prioritize the identified risks, Analytical Hierarchy Process (AHP) and the Expert Choice software was used. The results showed that the soil erosion risk from natural risk criteria with weight of 0.105, local agricultural damaging effects risk with weight of 0.025 in physical sub criteria , eradication of pasture and medicinal plants with weight of 0.049 in biological sub criteria, exploitation of vegetation and forests in order to provide forage for livestock, fuel and… with weigh of 0.0104 in socio-economic sub-criteria and the lack of efficient management of the environment with weigh of 0.074 in cultural sub criteria have the highest weight, respectively. Regional management indicated that now proper planning and efficient management for protect the area and the ability to run multiple applications with an emphasis on preserving its existence is not implemented. Risks management, optimal implementation of all criteria specified in laws of protection and improving the environment and identify vulnerable areas can be effective to manage the Dena Protected Area. | ||
| کلیدواژه‌ها [English] | ||
| risks, Risk Management, Dena, AHP | ||
| مراجع | ||
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