نتایج جستجو برای: hornbeam

تعداد نتایج: 261  

Journal: :Anais da Academia Brasileira de Ciencias 2017
Maryam Karim Mehrdad Ghodskhah Daryaei Javad Torkaman Reza Oladi Mohammad Ali Tajick Ghanbary Ehsan Bari Nural Yilgor

The impacts of white-rot fungi on altering wood chemistry have been studied mostly in vitro. However, in vivo approaches may enable better assessment of the nature of interactions between saprotrophic fungi and host tree in nature. Hence, decayed and sound wood samples were collected from a naturally infected tree (Carpinus betulus L.). Fruiting bodies of the white rot fungus Trametes versicolo...

Journal: :Acta Botanica Croatica 2023

In this local-scale synecological study, we investigated the changes in plant community composition throughout secondary succession occurring after cessation of agricultural land use (i.e. grassland abandonment). The successional sequence studied had following pathway: Avenula pubescens (Huds.) Dumort. haypastures → Brachypodium pinnatum (L.) P.Beauv. Cornus sanguinea L. scrubs late-successiona...

Journal: :Sustainability 2022

The Hyrcanian forests of Iran are mainly managed with the single-selection silvicultural technique. Despite significant ecological benefits associated selection cutting, this type forest management leads towards more challenging situations where it is difficult to maintain and practice successful forestry than in even-aged systems. Therefore, study provides relevant tools form models estimate l...

Journal: :محیط زیست طبیعی 0
حامد آقاجانی دانشجوی کارشناسی ارشد جنگل شناسی و اکولوژی جنگل، دانشکدۀ منابع طبیعی، دانشگاه تهران محمدرضا مروی مهاجر استاد گروه جنگلداری و اقتصاد جنگل، دانشکدۀ منابع طبیعی، دانشگاه تهران محمدرضا آصف استادیار گروه رستنی ها، مؤسسۀ تحقیقات گیاه پزشکی ایران، تهران انوشیروان شیروانی استادیار گروه جنگلداری و اقتصاد جنگل، دانشکدۀ منابع طبیعی، دانشگاه تهران

fungi include a large group of organisms that are found in different ecological conditions and are important components in forest ecosystems. the northern forests of iran are mountainous mixed forests, and have high biological diversity. the aim of this research was asses influence of physiographic factors on abundance and diversity of wood macrofungi. after of primary field inspection fungi sa...

Journal: :جنگل و فرآورده های چوب 0
مهدی کاکاوند دانشجوی کارشناسی ارشد، دانشکدة منابع طبیعی، دانشگاه تهران، کرج، ایران محمدرضا مروی مهاجر استاد گروه جنگل داری و اقتصاد جنگل دانشکدة منابع طبیعی، دانشگاه تهران، کرج، ایران خسرو ثاقب طالبی دانشیار پژوهش، مؤسسة تحقیقات جنگل ها و مراتع کشور، تهران، ایران کیومرث سفیدی استادیار، دانشگاه محقق اردبیلی، دانشکدة منابع طبیعی، اردبیل، ایران

this study was designed to investigate the structural characteristics of beech forests in the middle stage of ecological succession. in order to this purpose undisturbed beech stands in kheyroud forest had chosen and three one hectare sampling plot laid out. all of tree species measured with full callipering method and diameter and height of trees were recorded. natural regeneration within one ...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید