منابع مشابه
Comparative studies of terrestrial vertebrates in urban areas
Comparative studies of terrestrial vertebrates are one approach that can be used by researchers to build on the extensive work done by animal ecologists and applied ecologists in cities (Luniak, 1990; VanDruff et al., 1994; Nilon and Pais, 1997). Much of this work pre-dates the renewed interest in cities by mainstream ecologists. The new emphasis on the ecology of cities provides new tools and ...
متن کاملMeta-analysis of the studies conducted in the field of rural-urban migrations
Iranian formal� censuses indicate that the share of rural population in total population of Iran have been decreasing over the time and many villages are uninhabited. Migration statistics in Iran have also indicated intense migration from villages to the cities during the past half- century. �Many researches have been conducted due to the importance of rural-urban migrations, during the past fe...
متن کاملTest Field for Insar Urban Subsidence Studies
Advanced INSAR techniques using stable targets on the ground, such as buildings, have been successfully applied to deformation studies in city areas. However, in some cases high-quality reference measurements have not been available and the validations of the INSAR results have been based on data that probably is not adequate for this purpose. In 2005 the Finnish Geodetic Institute (FGI) establ...
متن کاملsimulation and experimental studies for prediction mineral scale formation in oil field during mixing of injection and formation water
abstract: mineral scaling in oil and gas production equipment is one of the most important problem that occurs while water injection and it has been recognized to be a major operational problem. the incompatibility between injected and formation waters may result in inorganic scale precipitation in the equipment and reservoir and then reduction of oil production rate and water injection rate. ...
Future Studies Urban bubble in Tehran metropolitan
Urbanization bubble is a new concept in urban planning issues for examining sustainability at various levels of social, economic, environmental, and management. So far, no common definition provided for urbanization bubble that indicate a lack of research in this field. This research aimed at assessing futures studies of urbanization bubble in Tehran metropolitan with focus on scenario plann...
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ژورنال
عنوان ژورنال: Nature
سال: 1953
ISSN: 0028-0836,1476-4687
DOI: 10.1038/1721032a0