Review of biological hazards in the informal settlement areas around Tehran Metropolis (Case study: Islamshahr)

One of the rarest forms of informal settlement area in the vicinity of Tehran metropolis in recent decades formed the indicators heavily on Tehran metropolitan city is affected. This study identified areas and informal settlement area Islamshahr based social and economic indicators and the methods and strategies for promoting physical environment Hydrology and ultimately aims to provide accommodation procedures empower neighborhood residents were informal. Research in analytical - descriptive information has been collected documents in coordination with relevant administrative agencies such as the Statistical Center of Iran and Ministry of Housing and Urban Development and field information through discussion groups formed in the fourth quarter and 840 questionnaires goal is achieved. Research findings has shown that one of the cities Islamshahr or special zoning areas for informal settlements and the town of as many cities in the conventional and the same is different.. Islamshahr neighborhood south of the Main Abad full symbols in informal settlements is of the city. Because this kind of neighborhood to neighborhood because of the isolated city neighborhoods does not have enough conventional development of a lower level than other neighborhoods has Islamshahr. While these neighborhoods due to being outside the city limits of legal and non-conventional development, physical and social structures, in particular, has the most deprivation.