بررسی خصوصیات اکولوژیکی گیاه چای کوهی (.stachys lavandulifolia Vahl) در رویشگاه های مرتعی غرب استان اصفهان

نوع مقاله : پژوهشی

نویسندگان

1 کارشناس ارشد مرتعداری، دانشکده منابع طبیعی، دانشگاه صنعتی اصفهان، ایران

2 دانشیار گروه مرتع و آبخیزداری، دانشکده منابع طبیعی، دانشگاه صنعتی اصفهان، ایران

3 باشگاه پژوهشگران جوان و نخبگان، واحد یاسوج، دانشگاه آزاد اسلامی، یاسوج، ایران

چکیده

زاگرس مرکزی ایران خاستگاه برخی از گونه­های جنس استاخیس، یکی از بزرگترین جنس­های خانواده نعناعیان (Labiatae)، از جمله گونه­ی چای کوهی(Stachys lavandulifolia Vahl.) می­باشد. گونه­ی چای کوهی گیاهی است به ارتفاع حدود 25 سانتی­متر با ساقه کرکدار و خزی که به گل آذین پشم گونه و الیافی دراز و خوشبو منتهی می­شود. در منابع طب سنتی ایران وجهان، اثرات درمانی متعددی را به این جنس نسبت می­دهند. هدف از این پژوهش مطالعه عوامل بوم شناختی گیاه چای کوهی (Stachys lavandulifolia Vahl.) است تا علاوه بر شناخت خصوصیات اکولوژیکی  این گیاه، در جهت حفظ و بهره برداری از آن گامی برداشته شود. به این منظور مشخصات اقلیمی، فیزیوگرافی، خصوصیات فیزیکی و شیمیایی خاک گیاه در رویشگاههای آن در منطقه غرب استان اصفهان بررسی شد. نتایج نشان داد که این گونه در مناطق  با بارندگی متوسط سالانه 8/372میلی متر، میانگین متوسط درجه حرارت سالانه 2/10 درجه سانتیگراد، تبخیر سالانه 1955 میلیمتر،  متوسط روزهای یخبندان 142روز و اقلیم نیمه خشک و سرد رویش مناسبی دارد. نتایج بدست آمده از فیزیوگرافی مکان های مرتعی مورد مطالعه نشان داد که این گونه در مکانهایی با  شیبهای متفاوت و  با نوسان زیاد رویش دارد (6 – 23 درصد) و مرتفع­ترین و پست­ترین مناطق مورد مطالعه نیز با اختلاف ارتفاع 6/592 متر قابل تشخیص بودند. خاک رویشگاه چای کوهی دارای بافت سیلتی رسی لومی ، کمی قلیایی، فاقد شوری و از نظر مواد آلی و میزان پتاسیم و کلسیم متوسط می­باشد. 

کلیدواژه‌ها


عنوان مقاله [English]

Investigating ecological characteristics of Stachys lavandulifolia Vahl. in the rangeland Ecosystems in the West of Isfahan Province

نویسندگان [English]

  • Fatemeh Soleimani meymand 1
  • Mohammad Reza Vahabi 2
  • Vahid Karimian 3
1 Msc Rang management, Natural Resources College, Isfahan University of Technology, Isfahan, Iran
2 Associate professor, Department of Range and Watershed, Natural Resources College, Isfahan University of Technology, Isfahan, Iran
3 Young Researchers and Elite Club, Yasooj Branch, Islamic Azad University, Yasooj, Iran
چکیده [English]

Iran's central Zagros is the homeland of some species of genus Stachys, one of the largest species of Labiatae family, such as Stachys lavandulifolia Vahl. species. Stachys lavandulifolia Vahl. is a plant 25cm long with fleecy and furred stem which ends to fleecy inflorescence and long fragrant fiber. Different medicinal effects have been attributed to this plant in the literature of Iran world's traditional medicine. The aim of this paper was to study the ecological factors of  Stachys lavandulifolia not only to know ecological features of this plant, but also to take steps for keeping and using it. To this end, climatical, physiographical, physical and chemical features of the soil were investigated in the west of Esfahan, where it grows. The finding of the study indicated that this plant has suitable growth in regions whit average annual rainfall of 372.8 mm , average annual temperature of 10.2cm, annual evaporation 1955mm, average frost days 142 days, and semi- arid and cold climate. The results obtained from the physiography of range sites studied in this paper showed that this plant can grow both in places with different slops and fluctuations ( 6-23%) and in highest and lowest places with the high difference of 592.6m. the soil in which Stachys lavandulifolia grows has a silt clay loam, a little alkaline, without salt, and in terms of organic materials and the amount of Calcium and Potassium is average.

کلیدواژه‌ها [English]

  • Stachys lavandulifolia Vahl
  • Ecology
  • Medical plants
  • Isfahan province
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