نتایج جستجو برای: urban migration

تعداد نتایج: 308987  

2011
Weiping Wu

Migrant residential patterns are a major influence on urban development. Since the restrictions on temporary migration to China’s cities were formally lifted in 1983, there have been massive waves of internal migration from rural to urban areas. Given the persistence of the country’s migration trends, it is important to explore whether residential patterns of temporary migrants in China’s citie...

Journal: :Pakistan development review 1982
T D Chaudhuri

The author attempts to formalize the role of push and pull factors in rural-urban migration and urban unemployment in Pakistan. Based on the Harris-Todaro framework, a model is developed that also includes perpetual indebtedness of the peasantry and a monopolistic moneylender. The analysis indicates that measures to control such migration could fail because the moneylender siphons off part of...

2013
Bing Zhu Qixing Huang Leonidas Guibas Lin Zhang

Understanding urban population migration patterns is very helpful for urban operation and management, including the traffic forecasting, epidemic prevention, commercial resource allocation, emergency response and future urban planning. The large taxi fleet equipped with GPS comprises ubiquitous mobile probes in urban areas, and their trajectories reveal interesting phenomena in the city. We inv...

2009
Aleck Ostry Stefania Maggi Ruth Hershler Lisa Chen Amber Louie Clyde Hertzman

BACKGROUND Using a cohort of British Columbian male sawmill workers, we conducted a nested case-control study of the impact of rural compared to urban residence as well as rural/urban migration patterns in relation to hospitalization for non-work injury. We postulate that for many types of non-work injuries, rates will be higher in rural communities than in urban ones and that rates will also b...

Journal: :Environmental Health Perspectives 1980
Leon S. Robertson

Factors contributing to urban differences in cancer mortality rates are difficult to specify because of migration and the delay between exposure to carcinogens and manifestations of the disease. Proxy measures for prior migration, motor vehicle emissions, industrial pollution, factors in the water supplies, and climate, explain more than half the intercity variation in age-adjusted cancer morta...

2011
Ernestina Coast

Migration is an important process of change for rural populations in developing countries. Migration is a primary cause of behaviour change—by their very act of migrating, migrants are different from those who do not migrate. The focus of the current study is male rural–urban migration in Tanzania and its interaction with sexual behaviour. The analysis presents results from a comparison with in...

Journal: :Pula 1984
J D Tarver

The contribution of migration to population changes in Botswana is analyzed. Consideration is given to international migration, internal migration, rural-urban migration, and the socioeconomic characteristics of migrants. The data are primarily for the years 1980-1981 and are from the 1981 census.

2003
Bharati Basu

This paper investigates how the implication of rural-urban migration for the rural fertility rate in LDCs is influenced by the ways the reward from this migration is generated and utilized by the rural family. It is shown that to maximize the capital stock needed for agricultural transformation parents in the rural sector send the children to the urban sector and invest the resulting capital (g...

Albert Ofuoku, Oghenebrorhie Obakanurhe Oghenesuvwe Okpara

This study was conducted to reveal the impact of rural-urban migration on broiler production in the Niger Delta Region of Nigeria. Data were collected from 795 household heads and farmers/managers/supervisors of 25 selected broiler farms in the study area. Descriptive statistics and multiple regression analysis was utilized to analyze the data. Able bodied young men constituted most of the rura...

Journal: :جغرافیا و توسعه ناحیه ای 0
عزت الله مافی مهدی وطن پرست محمد محسن رضوی

the theory of urban ecology is based on explaining urban spatial structure, studying and describing the reciprocal relationship between human societies in the urban areas and the environment, as well as analyzing the circumstances of urban population segregation and production of everyday life spaces. to study and explain urban ecological structure of mashhad, the case study of the article, we ...

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