مطالعۀ فلوریستیک منطقۀ حفاظت‌شدۀ کالمند بهادران، استان یزد

نوع مقاله : مقاله پژوهشی

نویسندگان

1 مربی مرکز تحقیقات و آموزش کشاورزی و منابع طبیعی استان یزد، سازمان تحقیقات، آموزش و ترویج کشاورزی، یزد، ایران

2 دانشیار بخش گیاهشناسی، موسسه تحقیقات جنگل‌ها و مراتع کشور، سازمان تحقیقات، آموزش و ترویج کشاورزی، تهران، ایران

3 پژوهشگر مرکز تحقیقات و آموزش کشاورزی و منابع طبیعی استان یزد، سازمان تحقیقات، آموزش و ترویج کشاورزی، یزد، ایران

چکیده

چکیده
در پژوهش حاضر،‌ ترکیب فلوریستیکی منطقۀ حفاظت‌شدۀ کالمند در فاصلة 10 کیلومتری شهرستان مهریز، استان یزد مطالعه شد. به این منظور، در فصل‌های بهار، تابستان و پاییز سال 1395 از منطقه نمونه‌برداری و پس‌از آماده‌سازی و شناسایی نمونه‌ها، تعداد 168 گونۀ گیاهی (3 گونۀ بازدانه، 140 گونۀ نهان‌دانۀ دو‌لپه‌ای و 25 گونۀ نهان‌دانۀ تک‌لپه‌ای) از 30 تیره و 103 جنس شناسایی شدند. بزرگ‌ترین تیره‌ها ازنظر غنای گونه‌ای به‌ترتیب Asteraceae (24 گونه)، Fabaceae (23گونه)، Poaceae (21 گونه)، Amaranthaceae (12 گونه) و Lamiaceae (10 گونه) بودند. همی‌کریپتوفیت‌ با 6/31 درصد، تروفیت‌ها با 9/30 درصد و کامفیت‌ها‌ با 8/23 درصد شکل‌های‌ زیستی غالب منطقه بودند. ازنظر پراکنش جغرافیایی بیشترین سهم به عناصر ایرانی-تورانی (78 درصد) متعلق بود و سایر گونه‌ها به دو، سه یا چند ناحیۀ جغرافیایی تعلق داشتند. از میان گونه‌های شناسایی‌شده، 31 گونۀ گیاهی
(5/18 درصد) انحصاری ایران بودند که بر اساس معیار IUCN در دو دستۀ گونه‌های در معرض انقراض و با خطر کمتر قرار گرفتند.

کلیدواژه‌ها

موضوعات

عنوان مقاله [English]

A Fluoristric Study of the Protected Area of Kalmand Bahadoran, Yazd Province

نویسندگان [English]

  • Ali Mirhosseini 1
  • Younes Asri 2
  • Mohammad Abolghasemi 3
1 Senior Research Expert, Forests and Rangelands Research Department, Yazd Agricultural and Natural Resources Research and Education Center, AREEO, Yazd, Iran
2 Associate Professor, Botany Research Department, Research Institute of Forests and Rangelands, AREEO, Tehran, Iran
3 Researcher, Forests and Rangelands Research Department, Yazd Agricultural and Natural Resources Research and Education Center, AREEO, Yazd, Iran
چکیده [English]

Abstract
The current investigation concerns the flora of Bahadoran Kalmand protected region, 10 km southeastern of Mehriz, Yazd province. To this end, in the spring, summer and autumn of 2015, sampling was done from the area. A total of 168 plant species belonging to 30 families and 103 genera were identified. From the total identified species are 3 gymnosperms, 140 dicotyledones and 25 monocotyledones. The largest families in terms of species richness were Asteraceae (24 species), Fabaceae (23 species), Poaceae (21 species), Amaranthaceae (12 species) and Lamiaceae (10 species), respectively. Hemicryptophytes (31.6%), therophytes (30.9%) and champhytes (23.8%) constitute the dominant life forms of the study area. From a chorological point of view, Irano-Turanian elements were dominant chorotypes (78%) and the other species were belonged to two, three or more phytogeographical regions. The area comprises 31 (18.5%) Iranian endemic species which according to IUCN conservation categories were classified as Endangered (EN) and lower risk (LR) in Iranian red data list.
 
 

کلیدواژه‌ها [English]

  • Chorology
  • Life Form
  • Endemic Species
  • Yazd

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