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معرفی فلور، شکل زیستی و پراکنش جغرافیایی گیاهان منطقه معدن همه کسی در استان همدان | ||
زیست شناسی کاربردی | ||
دوره 35، شماره 4 - شماره پیاپی 74، اسفند 1401، صفحه 55-70 اصل مقاله (778.49 K) | ||
نوع مقاله: مقاله پژوهشی | ||
شناسه دیجیتال (DOI): 10.22051/jab.2022.40202.1483 | ||
نویسندگان | ||
مرضیه موسائی* ؛ ربابه شاهی شاوون | ||
استادیار گروه زیست شناسی، دانشکده علوم، دانشگاه یاسوج | ||
چکیده | ||
مقدمه: شناسایی فلور هر ناحیه نه تنها نقش مهمی در حفاظت منابع ژنتیکی آن منطقه دارد، بلکه اطلاعات مفیدی برای سایر مطالعات علمی فراهم میکند. هدف این مطالعه شناسایی و معرفی فلور منطقه معدنی همهکسی واقع در استان همدان است که 2164 متر بالاتر از سطح دریا قرار دارد. مواد و روشها: گونههای گیاهی در فصل رویشی سال 1395 الی 1396 به روش پیمایش صحرایی جمعآوری شده و با استفاده از منابع مرتبط شناسایی شدند. سپس تعیین اشکال زیستی، پراکنش جغرافیایی، وضعیت حفاظتی و درصد گیاهان بومزاد در منطقه معدنی همهکسی انجام شد. اشکال حیاتی بر اساس طبقهبندی Raunkiaer و کورولوژی آنها بر اساس مناطق رویشی طبقهبندی شده توسط Zohary تعیین گردید. نتایج و بحث: بر اساس نتایج بهدست آمده، در مجموع 68 سرده و 79 گونه متعلق به 26 تیره ثبت شد. 16 تیره به دولپهایهای حقیقی تعلق دارند، در حالیکه پنج تیره متعلق به تکلپهایها هستند. Asteraceae، Poaceae و Lamiaceae به ترتیب بزرگترین تیرههای گیاهی موجود در منطقه بودند. اشکال زیستی غالب به ترتیب شامل همیکریپتوفیتها (52%) و تروفیتها (20%) بودند. بیشترین پراکندگی جغرافیایی پوشش گیاهی متعلق به عناصر منطقه ایرانو-تورانی با 37 گونه (48 درصد) و پس از آن عناصر اروپایی-سیبری-ایرانی-تورانی با 14 گونه (18 درصد) تعیین شد. بر اساس دادههای این مطالعه، 11 گونه بومزاد، 9 گونه دارویی و 10 گیاه با خطر انقراض کم شناسایی شدند با توجه به فعالیتهای انسانی در این منطقه، سیاستهای حفاظتی باید به طور جدی برای حفظ غنای گونهای و کاهش اثرات تخریب مدنظر قرار گیرد. | ||
کلیدواژهها | ||
ایرانو-تورانی؛ بومی؛ تروفیت؛ همی کریپتوفیت | ||
عنوان مقاله [English] | ||
A contribution to flora, life form and chorology of plants in HameKasi mining area, Hamadan province, Iran | ||
نویسندگان [English] | ||
Marzieh Mousaei؛ Robabeh Shahi Shavvon | ||
Assistant Professor, Department of Biology, Faculty of Science, Yasouj University | ||
چکیده [English] | ||
Introduction: Identification of flora of every region not only plays an important role in conserving of genetic resources of the region, but also provides useful data for other scientific researches. The goal of this study was to identify and introduce the flora of the mining area of Hamekasi in Hamadan province, located 2164 meter above sea levels. Material and Methods: Plant specimens were collected in 2017 during active growth form by field–walk procedure and identified using relevant flora sources. Then, determination of life forms, geographical distribution as well as the conservation status and percentage of native plants were carried out in the mining area of HameKasi. Life forms were determined using Raunkiaer method and the chorology is based on the vegetation regions classified by Zohary. Results and discussion: Based on the present results, a total of 68 genera and 79 species were recorded in the study area belonging to 26 families. Eudicots include 16 families while monocots consist of five families. Asteraceae, Poaceae and Lamiaceae were the most abundant families in the area, respectively. The predominant life forms included hemicryptophytes (52%) and therophytes (25%), respectively. The elements of Irano-Turanian region with 37 species (48%) have the highest geographical distribution of vegetation followed by European-Siberian/Irano-Turanian elements with 14 species (18%). According to the current assessment, 11 native, 9 medicinal and 10 low-risk species were identified. Due to human activities in the region, conservation policies should be seriously considered to preserve species richness and reduce the effects of destruction. | ||
کلیدواژهها [English] | ||
Endemic, Hemicryptophyte, Irano-Turanian region, Therophyte | ||
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مراجع | ||
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