OBJECTIVE Although insecticides are widely used in many countries, few studies of their use in households have been conducted. This study was carried out to describe the household use of insecticides according to per capita income. METHODS From October 1999 to January 2000, questionnaires on the use of household insecticides were applied to 2,039 households in the urban area of Pelotas, Brazi...

land use is often referred as the basis for urban planning. perhaps the main reason is that the discussion of fundamental related to urban planning objectives has play the first role in the land use studies. basic topics such as proper location, optimal allocation, diversification, functionality and … which are in direct contact with comfort goals, are the last objectives of urban planners and ...

A multivariate regression analysis shows that per capita expenditure has a negative effect on fertility, but large changes in per capita expenditure are needed to generate a substantial impact on the expected number of children per woman. Also women’s educational attainment is estimated to decrease fertility, both in rural and urban areas, particularly after schooling reaches the secondary leve...

quantitative identification of physical changes, developments and dynamic position of urban green space is considered as the first step in its planning. by means of the aerial photos taken in 1956, 1974, and 1994 as well as the quick bird satellite image captured in 2006, this study has dealt with changes in per capita green space in khorramabad during these years. first, geometric corrections ...

China’s urbanization has resulted in significant changes in agricultural land use. However, understanding of the linkages between urbanization and fertilizer use intensity is limited. Using county-level panel data for Henan Province, 1995–2008 and panel econometric models, we investigate the impact of urbanization and other socioeconomic factors on fertilizer use intensity, with a focus on the ...

in the recent years, increasing of green house gases, degradation of environment, deforestation alongside with the limitation and decreasing of ecological foot print of the earth for supplementation of human needs are the main problems of the world. the carbon dioxide gas as a main factor of world climate change, carry out the 60 percent of the global heating or greenhouse effect. the main sour...

In urban and rural areas under rapid urbanization, a proper understanding of the relationship between population and construction land use is important for regional sustainable development. The decoupling method is a particularly useful way to examine this relationship. However, the decoupling method only considers the current relationship between population and construction land, ignoring the ...

in welfare economic studies, because of the differences among households scale, we cannot consider household expenditures without attention to this factor. a simple method to consider household scale in welfare analysis is the usage of the per capita expenditure. but, the usage of per capita expenditure ignores economies of scale. in fact, per capita expenditure is a biased variable, and underv...