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تحلیل فرا رتبه‌ای مراتع مستعد تخریب حوزۀ آبخیز نوشان استان آذربایجان غربی | ||
| نشریه علمی - پژوهشی مرتع و آبخیزداری | ||
| مقاله 8، دوره 71، شماره 2، شهریور 1397، صفحه 393-404 اصل مقاله (1.5 M) | ||
| نوع مقاله: مقاله پژوهشی | ||
| شناسه دیجیتال (DOI): 10.22059/jrwm.2018.238910.1154 | ||
| نویسندگان | ||
| مهشید سوری* 1؛ مینا غایب2؛ جواد معتمدی3 | ||
| 1استادیار پژوهشی، بخش تحقیقات مرتع، موسسه تحقیقات جنگلها و مراتع کشور، سازمان تحقیقات، آموزش و ترویج کشاورزی، تهران، ایران | ||
| 2دانش آموخته کارشناسی ارشدمرتع‌داری، دانشکده منابع طبیعی، دانشگاه ارومیه، ایران | ||
| 3دانشیار پژوهشی، بخش تحقیقات مرتع، موسسه تحقیقات جنگلها و مراتع کشور، سازمان تحقیقات، آموزش و ترویج کشاورزی، تهران، ایران | ||
| چکیده | ||
| عملیات اصلاحی برای جلوگیری از تخریب مرتع زمانی کارآمد است که مناطق مستعد تخریب شناسایی و اقدامات اصلاحی در این مناطق متمرکز گردد. انجام پژوهش حاضر، برای شناسایی و شناخت وضعیت مناطق مستعد تخریب مراتع به کمک روشهای فرارتبهای به منظور مدیریت صحیح مراتع در حوزۀ آبخیز نوشان استان آذربایجان غربی انجام گرفت. برای اولویت بندی مراتع مستعد تخریب از تکنیک تصمیمگیری چند معیارۀ فرارتبهای PROMETHEE II استفاده شد. در این تحقیق، برای تعیین مراتع مستعد تخریب از معیارهای متعددی شامل بارش، درصد شیب، فرسایش، رسوب، رواناب، دبی، تولید، وضعیت مرتع، تیپ گیاهی، گروههای هیدرولوژیکی خاک، واحدهای اراضی، اسیدیتۀ خاک، هدایت الکتریکی خاک، کربن آلی، بافت خاک، کاربری اراضی، تراکم جمعیت و وجود روستا استفاده گردید. وزندهی معیارها به کمک روش آنتروپی شانون انجام گرفت. بالاترین وزن معیار مربوط به معیار تراکم جمعیت با وزن 1624/0 و کمترین وزن مربوط به معیار اسیدیتۀ خاک با وزن 0002/0 است. سپس با توجه به وزن و مقدار هر معیار برای هر تیپ گیاهی، دادههای مربوط به تیپهای گیاهی با استفاده از تکنیک PROMETHEE II تحلیل شدند. کلاس تخریبپذیری مرتع بر اساس تکنیک PROMETHEEII و بر اساس روش خوشهبندی K-means در سه کلاس تخریب مرتع زیاد، متوسط و کم تعیین شد. | ||
| کلیدواژه‌ها | ||
| تخریب مراتع؛ روش فرارتبه ای؛ PROMETHEE II؛ اولویت بندی؛ حوضه آبخیز نوشان | ||
| عنوان مقاله [English] | ||
| Out Ranking Analysis of Susceptible Range land to Degradation in Noshan Watershed, West Azerbaijan Province), Iran | ||
| نویسندگان [English] | ||
| mahshid souri1؛ mina gayeb2؛ Javad Motamedi3 | ||
| 1Assistant Professor, Rangeland Research Division, Research Institute of Forests and Rangelands, Agricultural Research, Education and Extension Organization (AREEO), Tehran, Iran. | ||
| 2, M.Sc. Graduate of Range Management, Faculty of Natural Resources, University of Urmia, Iran. | ||
| 3Associated Professor, Rangeland Research Division, Research Institute of Forests and Rangelands, Agricultural Research, Education and Extension Organization (AREEO), Tehran, Iran. | ||
| چکیده [English] | ||
| Rangelands, using a variety of renewable natural resources are as well as economic value, in terms of effects on soil and water conservation that are very important. This study was conducted in Nushan West Azerbaijan province. Determining the susceptible areas of rangeland to degradation done by out ranking technique PROMETHEE II was used. In this study, to determine the rangeland susceptible to degradation used numerous effective criteria such as precipitation, slope, erosion, sediment, runoff, discharge, production, pasture conditions, pH, conductivity, organic carbon, soil, land use, population density and the presence of villages in the catchment area of 7439 hectares was used. Weight criteria were determined using the Shannon entropy. Due to the weight and value of criteria for each vegetation type, analyzed data for each of them using PROMETHEE II. Finally, the rangeland degradation areas were divided in 3 category including; high, moderate and low classes by using K-means method. | ||
| کلیدواژه‌ها [English] | ||
| Susceptible Rangeland, Degradation, out ranking technique, PROMETHEE II, Nushan | ||
| مراجع | ||
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Journal of environ mental science, Vol. 18 No. 5:1020-1023. | ||
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