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تأثیر عوامل محیطی بر ویژگیهای ساختاری و پایداری درختان چنار با رویکرد اکولوژیکی-مدیریتی (مطالعة موردی: محدودة تقاطع پارک وی تا میدان تجریش) | ||
| نشریه جنگل و فرآورده های چوب | ||
| دوره 78، شماره 3، آذر 1404، صفحه 253-272 اصل مقاله (2.01 M) | ||
| نوع مقاله: مقاله پژوهشی | ||
| شناسه دیجیتال (DOI): 10.22059/jfwp.2025.396712.1353 | ||
| نویسندگان | ||
| رضا شاهنده1؛ محسن جوانمیری پور* 2؛ حمید صوفی مریو3؛ مهدی بابالو3؛ وحید اعتماد4 | ||
| 1. گروه جنگلداری، دانشکدة منابع ظبیعی، دانشگاه سمنان، سمنان، ایران. | ||
| 2بخش تحقیقات جنگل و مرتع، مرکز تحقیقات و آموزش کشاورزی و منابع طبیعی استان کرمانشاه، سازمان تحقیقات، آموزش و ترویج کشاورزی، کرمانشاه، ایران. | ||
| 3کارشناس معاونت پژوهشی و فناوری، دانشکدگان کشاورزی و منابع طبیعی، دانشگاه تهران، کرج، ایران. | ||
| 4گروه جنگلداری و اقتصاد جنگل، دانشکدة منابع طبیعی، دانشکدگان کشاورزی و منابع طبیعی، دانشگاه تهران، کرج، ایران. | ||
| چکیده | ||
| درختان چنار (Platanus orientalis L.) بهدلیل سازگاری با شرایط اقلیمی تهران و نقش مؤثر در تلطیف هوا و تعدیل میکروکلیما از گونههای شاخص فضای سبز شهری، بهویژه در خیابان ولیعصر هستند. این پژوهش، با هدف بررسی عوامل محیطی و مدیریتی مؤثر بر ساختار و پایداری درختان چنار در محدوده پارکوی تا میدان تجریش و با رویکرد اکولوژیکی-مدیریتی انجام شد. تمام درختان چنار با قطر بیش از ۲۰ سانتیمتر به روش سرشماری مورد ارزیابی قرار گرفتند و ویژگیهای رویشی و شرایط محیطی آنها ثبت شد. نتایج نشان داد در این محدوده ۱۱۶۶ درخت در ضلع شرقی و ۱۲۶۹ درخت در ضلع غربی وجود دارد که بهترتیب ۹۷ و ۱۲۷ پایه خشک شدهاند. میانگین ارتفاع درختان، ۲۰ تا ۲۱ متر و میانگین قطر، ۴۶ تا ۴۸ سانتیمتر بود. تراکم در ضلع غربی بیشتر و بیشترین ارتفاع درختان، ۲۸ متر ثبت شد. تحلیل آماری، بیانگر رابطه معنیدار بین افزایش ارتفاع ساختمانها، کاهش فاصله درخت تا ساختمان و افت شادابی و افزایش خشکیدگی درختان بود. ساختوسازهای نوساز و مرتفع، بیشترین اثر منفی را بر سلامت چنارها داشتند. حفاظت از درختان موجود، رعایت فاصله مناسب ساختمان و درخت، کنترل ارتفاع و توسعه شهری، و انتخاب گونه و فرم مناسب براساس شرایط اکولوژیکی برای بهبود وضعیت و مدیریت پایدار درختان توصیه میشود. نتایج این پژوهش میتواند مبنایی برای تصمیمگیریهای مدیریتی و برنامهریزی بهینه فضای سبز شهری باشد. | ||
| کلیدواژهها | ||
| توسعة شهری؛ چنار؛ خیابان ولیعصر؛ سلامت درختان؛ مدیریت فضای سبز | ||
| عنوان مقاله [English] | ||
| The impact of urban development on the structural component and sustainability of plane trees with an ecological-management approach (Case study: Valiasr street, Tehran) | ||
| نویسندگان [English] | ||
| Reza Shahandeh1؛ Mohsen Javanmiri Pour2؛ Hamid Soofi Mariv3؛ Mahdi Babaloo3؛ Vahid Etemad4 | ||
| 1Department of Forestry, Faculty of Natural Resources, University of Semnan, Semnan, Iran. | ||
| 2Forest and Rangeland Research Devision, Kermanshah Province Agricultural and Natural Resources Research and Education Center, Agricultural Research, Education and Extension Organization (AREEO), Kermanshah, Iran. | ||
| 3Expert at the Vice-Rectorate for Research and Technology, University College of Agriculture and Natural Resources, University of Tehran, Karaj, Iran. | ||
| 4Department of Forestry, Faculty of Natural Resources, University College of Agriculture and Natural Resources, University of Tehran, Karaj, Iran | ||
| چکیده [English] | ||
| Due to their high adaptability to Tehran’s climatic conditions and their important role in air purification and microclimate regulation, plane (Platanus orientalis L.) trees are among the most characteristic species in the city’s urban green spaces, particularly along Vali-Asr Street. This study aimed to investigate the environmental and managerial factors influencing the structure and stability of plane trees in the section between Parkway and Tajrish squares, using an ecological–managerial approach. All plane trees with a diameter greater than 20 cm were completely inventoried, and their vegetative and environmental characteristics were recorded. The results indicated that there were 1166 trees on the eastern side and 1269 on the western side, including 97 and 127 dead trees, respectively. The mean tree height ranged from 20 to 21 meters, while the mean trunk diameter varied between 46 and 48 cm. Tree density was higher on the western side, and the tallest trees reached 28 meters. Statistical analyses revealed a significant relationship between building height and reduced distance between trees and buildings with decreased vitality and increased mortality. New and tall buildings had the most negative effects on the health of plane trees. It is recommended that dead and weakened trees receive special care, proper spacing between trees and buildings be maintained, and strict control over building height and urban development be implemented. Selecting appropriate tree species and forms based on local environmental conditions and using analytical data for management planning are also essential for promoting the sustainable health and management of urban plane trees. | ||
| کلیدواژهها [English] | ||
| Green space management, Sycamore tree, Tree health, Urban development, Valiasr Street | ||
| مراجع | ||
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