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رابطة بین گروه گونههای اکولوژیک با عوامل محیطی در منطقة حفاظت‌شدة دنای غربی | ||
| نشریه جنگل و فرآورده های چوب | ||
| مقاله 7، دوره 67، شماره 2، شهریور 1393، صفحه 255-269 اصل مقاله (488.01 K) | ||
| نوع مقاله: مقاله پژوهشی | ||
| شناسه دیجیتال (DOI): 10.22059/jfwp.2014.51545 | ||
| نویسندگان | ||
| سیدمعین الدین زمانی1؛ رقیه ذوالفقاری* 2؛ سهراب الوانی نژاد2 | ||
| 1دانشجوی کارشناسی ارشد جنگل‌داری دانشگاه یاسوج، یاسوج، ایران | ||
| 2عضو هیئت علمی دانشکدة کشاورزی و پژوهشکدة منابع طبیعی دانشگاه یاسوج، یاسوج، ایران | ||
| چکیده | ||
| امروزه، تعیین گروه گونههای اکولوژیک برای بررسی وضعیت کنونی و آیندة جنگل و ارتباط آن با عوامل محیطی از ضرورتهای مدیریت جنگل است. بدین‌سبب، تعداد 50 پلات 450 متر مربعی در دامنة ارتفاعی 2091ـ2811 متر از سطح دریا و وسعت 600 هکتار در منطقة حفاظت‌شدة دنای غربی پیاده شد. چهار گروه گونة اکولوژیک با استفاده از آنالیز TWINSPAN در منطقه شناسایی شد که ارتفاع از سطح دریا و شیب و شوری خاک در تفکیک گروهها مؤثر بودند. گروه دوم با داشتن بیشترین درصد پوشش علفی و واقعشدن در شیب پایین دارای بهترین شرایط خاکی بود. اما گروه چهارم با گونة شاخص ارس و جاشیر نامساعدترین شرایط محیطی را داشت. در گروه اول نیز بنه گونة شاخص بود که این گروه دارای کمترین ارتفاع و بیشترین میزان آهک و درصد پوشش درختی بلوط بود. نتایج نشان داد که طبقهبندی پوشش گیاهی میتواند رویشگاهها را تا 80 درصد تفکیک کند. بنابراین، چنین مطالعاتی علاوه بر شناسایی آشیان اکولوژیک گونهها، برای پیبردن به وضعیت رویشگاهها نیز کمک می‌کند. | ||
| کلیدواژه‌ها | ||
| پوشش گیاهی؛ زاگرس؛ گونة شاخص؛ عوامل خاکی و فیزیوگرافی | ||
| عنوان مقاله [English] | ||
| Relationship between Ecological Species Groups and Environmental Factors in Protected Area of Dena | ||
| نویسندگان [English] | ||
| Seyyed Moeinoddin Zamani1؛ Roghayeh Zolfaghari2؛ Sohrab Alvaninejad2 | ||
| 1MSc. Forestry Student of Yasouj University, Yasouj, Iran | ||
| 2Member of Scientific Board of Yasouj University, Yasouj, Iran | ||
| چکیده [English] | ||
| Today, determination of the ecological species groups for current and future situation of forest and its relationship with environmental factors is necessary for forest management. For this purpose, 50 plots were established in altitude range of 2091- 2811 meters above sea level and 600 hectare in protected area of western Dena. Four ecological groups was identified Using Twinspan analysis that altitude, slope and EC were effective in separation of groups. The second group with most grass cover located in low slope that soil conditions of it was best. But fourth group with Juniperus polycarpos, Ferulago angulata indicator species had unsuitable environmental conditions. In the first group, Pistacia atlantica was indicator species and this group had lowest altitude and highest lime and tree cover of oak. Also, results showed that classification of vegetation can up to 80 percent separately habitats accurately. So, these researches can help to identify of ecological niche of species and to understand of habitats situation. | ||
| کلیدواژه‌ها [English] | ||
| Indicator Species, physiographic and edaphic factors, vegetation, Zagros | ||
| مراجع | ||
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