مطالعۀ فلورستیکی‌کوه دکل در شهرستان ممسنی، استان فارس

نوع مقاله : مقاله پژوهشی

نویسندگان

1 دانش آموخته کارشناسی ارشد سیستماتیک- اکولوژی گیاهی، دانشگاه شیراز، شیراز، ایران

2 استاد گروه زیست شناسی، دانشکده علوم پایه، دانشگاه شیراز، شیراز، ایران

چکیده

 
هدف اصلی از این پژوهش، بررسی و ثبت تنوع گیاهی و زیستگاهی موجود در منطقۀ کوه دکل، در شهرستان ممسنی، واقع در شمال غرب استان فارس است. این منطقه در ۵۱ درجه و ۳2 دقیقۀ طول خاورى و ۳۰ درجه و 8 دقیقۀ عرض شمالی و ارتفاع 900 تا 1350 متر از سطح دریا قرار گرفته است. درمجموع، 395 نمونه از گیاهان آوندی، متعلق به 69 تیره، 172 جنس و 225 گونه جمع‌آوری، شناسایی و در هرباریوم دانشگاه شیراز بایگانی شد. گیاهان دو‌لپه‌‌ای با 57 تیره، 142 جنس و 187 گونه متنوع‌ترین گروه است و پس از آن تک‌لپه‌ای‌ها با 8 تیره، 25 جنس و 34 گونه قرار دارند. نهانزادان آوندی با 3 تیره، 3 جنس و 3 گونه و بازدانگان با 1 تیره، 1 جنس و 1 گونه در منطقه حضور دارند. غنی‌ترین تیره‌ها ازنظر تعداد گونه به ترتیب Asteraceae (42 گونه)،  Fabaceae(23 گونه) و Poaceae (13 گونه) است. متنوع‌ترین جنس‌های موجود در پوشش گیاهی منطقه، Convolvulus، Plantago وTrifolium  هرکدام با 5 گونه و Allium با 4 گونه است. ازنظر کورولوژی بیشتر گیاهان به ناحیۀ ایران - تورانی تعلق دارند. ازلحاظ شکل زیستی، تروفیت‌ها شکل زیستی غالب در منطقه هستند. از عوامل اکولوژیکی با تأثیر چشمگیر روی پراکنش گیاهان در زیستگاههای مختلف، به عوامل اقلیمی، توپوگرافیکی و زیستی اشاره می‌شود.
 

کلیدواژه‌ها

عنوان مقاله [English]

A Floristic Study of Kuh-e Dakal in Mamasani County, Fars Province

نویسندگان [English]

  • Sahar Karami 1
  • Ahmad Reza Khosravi 2
1 MSc Graduate of Plant Ecology and Systematic, Faculty of Sciences, Shiraz University, Shiraz, Iran
2 Professor, Department of Biology, Faculty of Science, Shiraz University, Shiraz, Iran
چکیده [English]

The main objective of this study was to record the plant and habitat diversity in the area of ​​Kuh-e Dekel in Mamasani city located in the northwest of Fars province, which is located between 51°32' eastern longitude and 30° 8' northern latitude, and in the altitude of 900 to 1350 m above the sea level. A total of 395 samples of vascular plants were collected belonging to 172 genera, 69 families, and 225 species. They were identified and archived in the herbarium of Shiraz University. Dicotyledon plants with 57 families, 142 genera, and 187 species were the most diverse group, followed by monocots with 8 families, 25 genera, and 34 species. Pteridophytes with 3 families, 3 genera, and 3 species and Gymnosperms with 1 family, 1 genus, and 1 species were present in the region. The richest genera in terms of the number of species were Asteraceae (42 species), Fabaceae (23 species), and Poaceae (13 species). The most diverse species in the vegetation of the region were Convolvulus, Plantago, and Trifolium (each with 5 species), and Allium (with 4 species). In terms of chorology, most plants belonged to the Irano-Turanian region. Therophytes were the dominant life form in the area. The most effective ecological factors in the distribution of plants in the area were climatic, topographical, and biological factors.

کلیدواژه‌ها [English]

  • Key words: Life Form
  • Habitat
  • Flora
  • Mamasani

مراجع

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