An abandoned urban land management and organize them a model of sustainable urban development (Case study Semnan)

Today, population growth, resource constraints on the one hand and other stakeholders with the development of Wonders Casts. Demographic changes caused by changes in economic activity and the starting point for changes Land are considered. Indeed, exploitation, improper land use changes and human the areas of natural resources, every day adds to disrupt the regional balance. In recent decades witnessed Land use changes are in Samna. Several factors shaped the phenomenon of land use change For example, the land is abandoned, the surfaces of the summer pasture areas, and conditions of a century The location of a large number of people are going to benefit from the favorable climate of the area. One Important factor in the changes that have occurred in the number of Samna population based on demographics such FBS and the rural population have declined sharply. As in other areas, saw a change in Iran Particular are pasture land use, this area is also visible. This article is trying to communicate Population changes with the change of land use and land use changes of Land over a period of several years to probe the system to determine the land use change information Geographic Google Earth The demographics of the population growth rateat 2 years was developed Was calculated. According to the results, the rate of abandoned land sin the study area were found in the Increased. So many people over the past years, migration and population decline (37%) which had previously been converted to dry land/ and follow the process of a large expanse of grass land (88).The Mankind the abandoned and sin the region are shown. A few of the surrounding villages Pasture Land Most of the increase has declined and abandoned lands. Finally it can be stated, the rate There is a logical relationship between population growth and land abandonment.