نتایج جستجو برای: animal grazing fuel wood oak forests socioeconomic

تعداد نتایج: 416344  

Journal: :caspian journal of environmental sciences 2010
a. salehi l.ch. karltun

this study aims to investigate the relationships between people?s livelihoods and the woodland resources of the ganaveh watershed in southern zagros, iran, as a basis for suggestions of strategies for sustainable management of the woodland resources and improvement of the livelihoods of people in the community. household data were collected through interviews with heads of households and member...

This study aims to investigate the relationships between people?s livelihoods and the woodland resources of the Ganaveh watershed in southern Zagros, Iran, as a basis for suggestions of strategies for sustainable management of the woodland resources and improvement of the livelihoods of people in the community. Household data were collected through interviews with heads of households and member...

   Yellow mistletoe is a semi-parasite plant lives in the Zagros forests on Persian oak trees. Mechanical control is one of the basic acts to manage yellow mistletoe contamination. This research aimed to evaluate the performance of mechanical methods; wood-glue, clay, black plastic, natural color and control treatment to control yellow mistletoe at different altitudes and selecting the most sui...

2013
Dolly Jørgensen

English wood pastures have become a target for ecological restoration, including the restoration of pollarded trees and grazing animals, although pigs have not been frequently incorporated into wood pasture restoration schemes. Because wood pastures are cultural landscapes, created through the interaction of natural processes and human practices, a historical perspective on wood pasture managem...

2005
Carl N. Skinner Scott L. Stephens

Fire has been described as both a major ecological force necessary for long-term functioning of Sierra Nevada ecosystems and as one of the greatest threats to human and natural resources (SNEP 1996a). Fire has shaped the terrestrial ecosystems of the Sierra Nevada for millennia. Before the mid-1800s, fires generally were frequent and mostly of low to moderate intensity, from lower-elevation blu...

2013
Adela-Eliza Dumitrascu Valentina D. Ciobanu

The overall aim of the research was to better understand the influence of raw material characteristics on the quality of decorative veneer, to identify phenotypes of oak and sessile oak valuable for veneer use, and to promote quality in relationship with sustainable development of Romania’s forests. This paper describes specific aspects regarding wood defects and quality conditions imposed on r...

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: :Energies 2021

Charcoal production in Portugal is mostly based on the valorization of woody residues from cork oak and holm oak, latter being considered a reference feedstock market. Nevertheless, since wildfire prevention became priority Portugal, after recent dramatic wildfires, urgent actions are conducted to reduce fuel load forests, which increasing amount biomass that available for valorization. Additio...

Journal: :Ecology 2015
Jennifer C McGarvey Jonathan R Thompson Howard E Epstein Herman H Shugart

Few old-growth stands remain in the matrix of secondary forests that dominates the eastern North American landscape. These remnant stands offer insight on the potential carbon (C) storage capacity of now-recovering secondary forests. We surveyed the remaining old-growth forests on sites characteristic of the general Mid-Atlantic United States and estimated the size of multiple components of for...

2014
Margarida Lima de Faria Pedro Moura Ferreira Joana B. Melo Maria J. Vasconcelos Eric J. Jokela

The Cacheu Mangroves Natural Park (PNTC) was established in the year 2000 with the objective of protecting the coastal forests of Northern Guinea-Bissau, which have been subject to deforestation and are at risk. Concomitantly, the need to find sustainable financial revenues to support forest conservation motivated the development of projects that explore avoidance of deforestation and forest de...

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