نتایج جستجو برای: sustainable forest management in caspian forests of iran requires cost
تعداد نتایج: 24523476 فیلتر نتایج به سال:
As sustainable forest management is threatened by climate change, adaptation measures may be needed to maintain the productive capacity of tropical forests. Yet the extent to which foresters across the tropics implement adaptation actions in anticipation to climate change impacts remains largely unexplored. In this paper, an assessment of the perceptions of climate risks and the implementation ...
the study of air infiltration into the buildings is important from several perspectives that may be noted to energy and design of hvac systems, indoor air quality and thermal comfort and design of smoke control systems. given the importance of this issue, an experimental and numerical study of air infiltration through conventional doors and windows has been explored in iran. to this end, at fir...
Forest roads are the most important elements of forestry projects, the management, supervision, care, and only access way to the forest for mechanized harvesting and using other services of forests. The aim of this study was to compare the current annual increment of basal area in different distances from the road in northern forests of Iran. For this purpose, 50 plots were established in 5 dis...
this study focuses on jane austens representation of her heroines in two of her novels: pride and prejudice, and mansfield park. i have concentrated only on a single idea: how jane austen takes her heroines through a course of psychogical reformation to which almost everything else in her novel is subsidiary. although i have discussed only pride and prejudice, we can trace austens carefully pla...
Bolivia is seldom thought of as a country in the vanguard, but she currently leads the developing world in the certification of well-managed forests, and in efforts to develop a national forest certification infrastructure. While the Bolivian experience with certification largely bears out conventional expectations regarding the behavior of firms in response to market demand for certified produ...
evaluation of different sampling method to study of tree density (tree/hectare) in the zagros forest
for maintaining of zagros forests role in wild life, water and soil conservation, the suitable solutions and methods for assessing the existing conditions and planning for management of this forests should be given. to detection of suitable sampling method to study tree density in the northern zagros forest, blake forest, in baneeh region, kurdistan province, and west of iran was selected. 40 s...
Dr. Abbasali Sanadgol is an associate professor in rangelands and forests research institute, IRAN, He is retired now. He earned his undergraduate and master degrees in natural resources and range management in 1976 and 1992 respectively from natural resources faculty of Tehran University and worked as a natural resources and range management researcher for 29 years at education and research ag...
We present an in-depth analysis of natural forest management practices in Costa Rica based on a new historical forestry GIS database encompassing five conservation regions in the country where selective logging has been prevalent for the last 18 years. Natural forest management refers to the selective logging practices for the production of timber in natural forest ecosystems. The study conside...
Deforestation in the tropics accounts for one-fifth of global greenhouse gas emissions. For this reason, the preservation of remaining tropical forests is an integral component of any international climate change mitigation policy. Indigenous peoples are crucial actors for the success of such a policy given the large amount of forestland in indigenous hands, their historical and cultural role i...
This paper is a submission from IUCN, PROFOR, and the World Bank in follow up to discussions held at the third meeting of the United Nations Forum on Forests (UNFF) on the relationship between sustainable forest management (SFM) and ecosystem approaches (EsA) as applied to forests. It is also a response to a decision at the 6th Conference of the Parties of the Convention on Biological Diversity...
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