نتایج جستجو برای: protection of forests
تعداد نتایج: 21185772 فیلتر نتایج به سال:
In tropical countries, upland forests, mid-elevation and lowland agriculture and coastal zones used to provide most if not all of the goods and services that local populations relied on for their livelihood. The forests provided necessary building materials as well as supplies for boat construction, and a host of food products and medicinal plants. The lowland areas provided all agricultural st...
moderate resolution imaging spectroradiometer (modis) have been widely used for active fire detection in the world as the specific channels used for the fire detection have made the modis images applicable. the main objective was to explore the capability of modis images for active fire detection in the zagross forests using the modis contextual algorithm. the study was performed in the marivan...
forests as a renewable source has effective and useful role in economic and social activities of society. network of forest roads as infrastructure division’s forest planning units (compartments) of forest management plans, management, logging, exit of wood and plays a major role forest protection. aim of this study, designed forest road network according to multi-purpose forestry using the net...
hyrcanian forests are the most valuable forests in the north of iran and industrial harvesting occurs only in this area. it is a productive region near the southern coast of caspian sea. in these forests mixed beech stands mostly shown uneven-aged structure that is managed under selection system. in order to determine the priority of uneven aged method not only from an ecological view, but also...
tourism has traditionally been implemented by means of different motivators. tourism began in 1330 and the ecotourism is the main reason for the development of personality and promotion of cultures. circulating in the nature is a course of thinking for scientists in islam. ecotourism is a branch of tourism and it enters the world of its literature in 1970. ecotourism has been doubled in compari...
sea shores of gilan province is one off the biggest tourist attractions in iran. this area have valuable forests and grasslands. in addition it provides significant amount of corps like rice, tea, olive. considering this facts, environmental protection of this area must be priority for national government. however waste management instruction have been ratified in iran, there isn’t any specific...
We modeled changes in area of five habitats, tidal-freshwater forest, salt marsh, maritime shrub-scrub (shrub), maritime broadleaf forest (oak) and maritime narrowleaf (pine) forest, in coastal Georgia, USA, to evaluate how simultaneous habitat loss due to predicted changes in sea level rise (SLR) and urban development will affect priority bird species of the south Atlantic coastal plain by 210...
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