Organizations and individuals are calling for the universal availability of broadband as a national imperative by 2010. Although the United States has the requisite cross-continental fiber-optic backbone infrastructure in place, only 2% to 5% of that nationwide network is used today. This is because of the prohibitive cost necessary to extend the backbone to many small businesses and homes, eve...

Tourism planning is a kind of protective development for scientific and rational optimization tourism space resources. At present, there have been problems in planning, such as unclear role, imperfect content system immature compilation technology, which caused difficulties landing conflicts with other planning. Under the background territorial spatial reform, into has great theoretical signifi...

structural characteristics and spatial distribution of major farming systems in mountain environment of the iranian plateau as well as their developments in the past few decades have been studied by statistical analysis. using this new approach, towards the study of natural resource allocation methods in mountains of iran, the following resulted: land and resource use practices have followed a ...

the aim of this research is to analyze the environmental principals which are used for land use planning of iranian communities in order to determine whether they are sufficient and efficient for conserving and improving the quality of urban environments or not. first, the environmental principals were extracted from municipal local plans (community plans) of the spatial planning systems of ira...