PATTERNS OF DISTRIBUTION IN THE FAMILY FABACEAE (EXCEPT ASTRAGALUS) IN IRAN

Document Type : Research Paper

Authors

1 Department of Biology Faculty of Science, Shiraz University, Shiraz, Iran.

2 Department of Biology Faculty of Science, Shiraz University, Shiraz, Iran

Abstract

The geographic distribution of the family Fabaceae (except the genus Astragalus) in Iran has been analyzed using a dataset of 10408 georeferenced observations. The 429 species of the family is distributed in whole Iran; however, about half of the observations are from provinces like, Fars, Hormozgan, Tehran, Bushehr and Mazandaran. The family has 173 rare species and 117 endemic species. The highest record for the maximum distance between two observations of one species (MaxD) is 2140 kilometer. East-Azerbaijan, Khorasan Razavi, Fars, Lorestan and West-Azerbaijan have the highest number of rare species. Species richness was mapped with the point-to-grid richness analysis tool DIVA-GIS, using a 10×10 kilometer grid cell and the circular neighborhood option with a 50 km radius. High species richness occurs in Fars, Gilan and Lorestan; also in Central Alborz where the hotspot for endemic species is located. Forty four 10×10 kilometer grid cells are needed to capture all species at once. But ninety percent of the species can be captured in only twenty grid cells, which have the most conservative importance for this group of plants.

Keywords

Article Title [Persian]

الگوی پراکندگی تیره باقلائیان (به جز جنس گون) در ایران

Authors [Persian]

  • طلیعه السادات موسوی 1
  • احمدرضا خسروی 2
1 فارغ التحصیل کارشناسی ارشد، بخش زیست شناسی دانشگاه شیراز
2 دانشیار، بخش زیست شناسی دانشگاه شیراز
Abstract [Persian]

پراکنش جغرافیایی تیره باقلائیان (به جز جنس گون) در ایران با استفاده از ١۰٤۰٨ گزارش ثبت شده در منابع ویا بر اساس نمونه‌های هرباریومی تجزیه و تحلیل گردید. ٤٢٩ گونه این تیره در تمام کشور گسترده اند، هرچند که حدود نیمی از گزارش‌ها از پنج استان فارس، هرمزگان، تهران، بوشهر و مازندران می باشد. این خانواده ١٧٣ گونه نادر و ١١٧ گونه انحصاری دارد. بیشترین مقدار برای شاخص حداکثر فاصله میان دو فرد از یک گونه (MaxD) ٢١٤۰ کیلومتر می‌باشد. استان های آذربایجان شرقی، خراسان رضوی، فارس، لرستان و آذربایجان غربی بالاترین تعداد گونه‌های نادر را دارند. به کمک برنامه DIVA-GIS و با استفاده از خانه های ١۰×١۰ کیلومتر و محدوده دایره‌ای همسایه با شعاع ٥۰ کیلومتر غنای گونه‌ای نقشه‌برداری شد.غنای گونه‌ای بالا در استان‌های فارس، گیلان، لرستان و همچنین منطقه البرز مرکزی که نقطه داغ گونه‌های انحصاری نیز می‌باشد، مشاهده شد. چهل و چهار خانه ١۰×١۰ کیلومتر لازم است تا تمام گونه‌های این تیره را در بر بگیرد. اما بیست خانه کافیست تا نود درصد گونه‌ها را در خود جای دهد، این خانه‌ها از لحاظ حفاظتی اهمیت بالایی دارند.

Keywords [Persian]

  • Fabaceae
  • Iran
  • geographic distribution
  • Species richness
  • grid cell

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The Iranian Journal of Botany
Volume 16, Issue 2 - Serial Number 2
December 2010
Pages 303-313

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History

  • Receive Date: 21 October 2010
  • Revise Date: 07 October 2010
  • Accept Date: 10 November 2010

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