Suchergebnisse

Study with special reference to Rajasthan

Since the early 1980s the conversion of land to non-agricultural use has been arguably the most widespread and intense in China's history. The recent increase in non-agricultural land use has been caused largely by the rapid expansion of urban settlements and the construction of roads and stand-alone industrial sites. Among the factors contributing to these changes, rural–urban migration, urbanization and accelerating development are among the most important. Analysis of land use data from three coastal provinces suggests that variations in the share of land occupied for non-agricultural use among county-level administrative units can be explained largely by differences in population density, urbanization and level of development. While the conversion of land to non-agricultural use is bound to continue in the coming decade, recent institutional changes make it likely that future changes, particularly the encroachment on cultivated land, will be more restricted and better controlled.

Study conducted in Bulandshahr District of Uttar Pradesh, India

The subject of the study presented in this article is the economic relations arising due to the progress of the urbanization that leads to changes in agricultural production. For a long time in Russia a reduction of agricultural land, arable land and crops takes place. One reason for this is the global progress of urbanization. Changes in agricultural land use occur across the country however this process is uneven in different regions. Among all regions Moscow and Moscow region significantly stand out. The study showed that in the more urbanized regions of the country reduction of the agricultural land and changes in agricultural land use are greater than in less urbanized ones.

The aim of the study is to determine the influence of population and agricultural land use on environmental sustainability in Nigeria. This is necessitated by the fact that decisions on the linkages between population, agriculture and environmental sustainability in the country have often been made without empirical underpinnings and thus without sufficient analytic rigor. To achieve the aim, Environmental Sustainability Index (ESI) was calculated for each state of the country and multiplicative and mediating variables of agricultural land use were combined with demographic variables using linear regression and STIPART models to determine the coefficients of the variables and the impacts respectively. Thereafter, a cluster analysis was used to group the states on the basis of similarity of the impacts and 3.20a GIS Software used to map the spatial impacts. The results show that the southern states of the country have higher ESI scores, than the northern states, implying that the south will be more likely to be able to preserve valuable environmental resources effectively for the future generations. The results also show that the regression model accounts for 66.7 % of the variation in environmental sustainability in the country while the STIPART model indicates that the south eastern states are experiencing the severest environmental impacts resulting from combined effects agricultural land use and population pressure. The pressure has however been responsible for a number of favourable responses that have enabled the south to reap the economic advantage of rising concentrations of production, and social benefits that result from convergence in consumption. This explains the higher environmental sustainability in south Nigeria. The findings underscore the need for policy commitment and support for population and settlement reorganization and changes in landholdings in order to ensure sustainable development and environment in the country. Appropriate recommendations were made in this regard.

Study conducted in northeast Haryana with reference to cropping systems and productivity