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ارزشگذاری مکانی رویشگاه‌های گیاهان دارویی مرتعی و آشکارسازی کانون‌های داغ کیفیت رویشگاه در استان کرمان | ||
| نشریه علمی - پژوهشی مرتع و آبخیزداری | ||
| دوره 77، شماره 4، دی 1403، صفحه 491-505 اصل مقاله (1.18 M) | ||
| نوع مقاله: مقاله پژوهشی | ||
| شناسه دیجیتال (DOI): 10.22059/jrwm.2024.377327.1768 | ||
| نویسندگان | ||
| ملیحه عرفانی* 1؛ طاهره اردکانی2؛ فاطمه جهانی شکیب3 | ||
| 1گروه محیط زیست، دانشکده منابع طبیعی، دانشگاه زابل، زابل، ایران | ||
| 2گروه علوم و مهندسی محیط زیست، دانشکده کشاورزی و منابع طبیعی، دانشگاه اردکان، اردکان، ایران | ||
| 3گروه محیط‌زیست، دانشکدة منابع طبیعی و محیط‌زیست، دانشگاه بیرجند، بیرجند، ایران | ||
| چکیده | ||
| همواره برقراری موازنه بین حفاظت و بهره‌برداری از خدمات اکوسیستم یکی چالش‌های اساسی مدیریت سرزمین است. در این زمینه تعیین کمیت خدمات اکوسیستمی و ارزشگذاری آن جهت کاهش اثرات فعالیت‌های انسانی می‌تواند راهگشا باشد. یکی از خدمات ارزشمند اکوسیستمی که با فشار بالای بهره‌برداری مواجه است، کیفیت رویشگاه است. در مطالعه حاضر جهت ارزشگذاری کیفیت رویشگاه در استان کرمان، یکی از کارکردهای مصرفی آن که تولید گیاهان دارویی است در نظر گرفته شد. روش به کار رفته جهت مدل‌سازی InVEST بوده که ورودی‌های آن لایه‌های منابع تخریب، کاربری اراضی و جداول منابع تهدید و حساسیت است و نقشه کیفیت رویشگاه به عنوان خروجی آن دارای ارزش‌هایی در دامنه 0 تا 1 است. ارزشگذاری لایه خدمت رویشگاه با توجه به قیمت برداشت مجاز گیاهان دارویی مرتعی انجام شد. نتایج نشان داد که باارزشترین رویشگاه‌ها عمدتاً دارای پوشش اراضی مراتع پرتراکم است. کانون‌های داغ رویشگاهی استخراج شده با الگوریتم شکست طبیعی جنک نشان داد که مساحت آنها 3.358.768 هکتار بوده که 37 درصد از اراضی مرتعی و یک درصد از مساحت کل استان را شامل می‌شود. همچنین کانون‌های داغ با توجه به مقدار شاخص جهانی Moran به طور معنی‌داری دارای پراکنش خوشه‌ای هستند (z-score= 1328.83 , p-value=0.00). نتایج ارزشگذاری نشان داد که ارزش کل مراتع استان بیش از 32 میلیارد تومان است که سهم مراتع کم‌تراکم 12053925412 و مراتع پرتراکم 19948204105 تومان است. نتایج این مطالعه می‌تواند به عنوان یک ابزار پشتیبانی تصمیم‌گیری موثر برای اولویت‌بندی مناطق برای اقدامات حفاظتی و مدیریت در تمام استان استفاده شود. | ||
| کلیدواژه‌ها | ||
| خدمت اکوسیستمی؛ رویشگاه؛ گیاهان دارویی؛ InVEST | ||
| عنوان مقاله [English] | ||
| Spatial evaluation of the habitats of rangeland medicinal plants and revealing hot spots of plant habitat quality in Kerman province | ||
| نویسندگان [English] | ||
| Malihe Erfani1؛ Tahereh Ardakani2؛ Fatemeh Jahanishakib3 | ||
| 1Department of Environmental Sciences, Faculty of Natural Resources, University of Zabol, Zabol, Iran | ||
| 2Department of Environmental Sciences & Engineering,Faculty of Agriculture and Natural Resources, Ardakan University, Ardakan, Iran | ||
| 3Department of Environmental Sciences, Faculty of Natural Resources and Environment, University of Birjand, Birjand, Iran | ||
| چکیده [English] | ||
| Establishing a balance between protection and utilizing ecosystem services is a primary challenge in land management. Quantifying ecosystem services and assigning them value to mitigate the impacts of human actions may offer a potential resolution. Among the ecosystem services under significant pressure from exploitation is the quality of plant habitats. This study was explored in evaluating plant habitat quality in Kerman province and focused on one of its functions, namely the cultivation of medicinal plants. The InVEST method is used for modeling, whose inputs are layers of destruction resources, land use, and tables of threat and sensitivity resources, and the plant habitat quality map as an output has values in the score ranging from 0 to 1. Valuation of the habitat service layer was also done according to the allowed harvest price of rangeland medicinal plants. The results showed that valuable habitats are mainly covered by dense grasslands. The habitat hotspots extracted by the Jenks natural breaks algorithm showed that their area was 3,358,768 hectares, which includes 37% of rangeland land and 1% of the total area of the province. Also, according to the value of Moran’s index, it has a significant clustered distribution. (z-score=1328.83, p-value=0.00). Evaluation results showed that the total value of rangeland in the province is more than 32 billion tomans, the share of low and high-density rangeland are 12053925412 and 19948204105 tomans respectively. The results of this study can be used as an effective decision-support tool for prioritizing areas for conservation and management measures in the entire province. | ||
| کلیدواژه‌ها [English] | ||
| Ecosystem service, Habitat, Medicinal plants, The Integrated Valuation of Ecosystem Services and Tradeoffs (InVEST) | ||
| مراجع | ||
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