نتایج جستجو برای: urban decline
تعداد نتایج: 260059 فیلتر نتایج به سال:
Several related demographic trends are occurring in developing countries: youth comprise a large portion of populations, fertility rates are declining, and urban dwellers are increasing. As fertility rates decline and populations age, the decline in the ratio of young dependents to working age adults is expected to free up household resources, which can be invested in human capital, including y...
After decline and fall of the Parthian dynasty by Ardeshir Babakan in early third century, the new dynasty, called Sasanian, rose. The quantity of the remained of the Sasanian dynasty in compare with the Parthian shows that construction activities such as building bridges, dams, castles and cities are considerably developed. Establishment of many Persian ancient cities is attributed to the firs...
Urbanization is one of the most significant global changes. The rapid growth in urban area isimposing high pressure to land and their resources. With regard to various ecological services of the Hyrcanian ecosystems and the necessity to conserve them, this research aimed to investigate the growth trend of urban areas and their impacts on land suitability of the conservational patches in Korga...
BACKGROUND Automobile exhaust contains precursors to ozone and fine particulate matter (PM ≤ 2.5 µm in aerodynamic diameter; PM2.5), posing health risks. Dependency on car commuting also reduces physical fitness opportunities. OBJECTIVE In this study we sought to quantify benefits from reducing automobile usage for short urban and suburban trips. METHODS We simulated census-tract level chan...
BACKGROUND A decline in HIV incidence has been reported in Zambia and a number of other sub-Saharan countries. The trend of HIV prevalence among young people is a good marker of HIV incidence. In this study, different data sources are used to examine geographical and sub-population group differentials in HIV prevalence trends among men and women aged 15-24 years in Zambia. DESIGN AND METHODS ...
BACKGROUND The key to universal coverage in tuberculosis (TB) management lies in community participation and empowerment of the population. Social infrastructure development generates social capital and addresses the crucial social determinants of TB, thereby improving program performance. Recently, there has been renewed interest in the concept of social infrastructure development for TB contr...
Like many other metropolitan cities, Milan has experienced spatial decentralization of industry and population during the last decades. At present, a multiplicity of settlement patterns can be observed. Particularly the highly industrialized North has been able to strengthen its position in many sectors with areas of specialization and intense growth based mostly on small enterprise. This artic...
Today’s cities increasingly serve as the nexus between nature and people in times of strong urban growth and, some cases, decline [...]
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