Introduction: This paper focused on the process of urbanization in Lahore and its correlation with the loss of urban vegetation and perceived environmental impacts based on local population's perception through administration of a questionnaire survey. Lahore is known as a city of gardens and green spaces in Pakistan and always possessed rich green character in its long history. For the past few decades due to rapid urbanization, the city has lost its aesthetically important urban vegetation, tress, and greenery. The field studies and remote sensing data revealed that the loss of vegetation has been experienced at an astonishing rate in many union councils of the city. Methods: This study was conceived to probe importance and value of the urban tress and vegetation of Lahore in an environmental context and its general importance for the residents of the city. The objectives were to analyze the role of vegetation in the life of citizens; the specific objective was to reveal the attitudes and responses of city dwellers about loss of urban trees/vegetation and its role in the overall environment, process of urbanization, and maintenance strategies. In the present paper, perception of local people (n = 2080) regarding the socio-environmental impacts due to the ongoing process of urbanization and detriments of vegetation loss has been probed through administration of a household questionnaire. The collected data has been tested with respondent's age, gender, marital status, education, monthly income, and occupation. Results: This study was an attempt to document and explore the change in historical transformation in vegetation and perception of the sample population of Lahore. This perception survey has revealed that urbanization is the major cause of loss of vegetation and has caused a number of perceived environmental problems in the city. Conclusions: The study underlined an analysis of people's perceptions regarding the loss of trees and vegetation . The perceived socio-environmental findings revealed that the urbanization and population growth are the fundamental reasons for trees/vegetation loss in the city.
Purpose-The purpose of this paper is to explore the trends of changing temperature of Lahore in Pakistan due to invigorating urbanization process since 1950-2007. Design/methodology/approach-This research is designed by using the numerical time series data of mean minimum temperature (MMiT), mean maximum temperature (MMxT) and mean annual temperature (MAT). The growth in urban population, area and transportation are also evaluated by using the available data. Linear regression method is applied to investigate the results of change in temperature. Three different approaches to examine the MAT are testified; first as an entire period (1950-2007), and then by dividing the entire period into two equal phases as Phase I (1950-1974) and Phase II (1975-2207). MMiT and MMxT are analysed for the entire period without making any division. Findings-The results of the paper are significantly indicating an increase in MAT and MMiT which have risen up to 0.89 and 2.518C, respectively, while MMxT remained resolute throughout the study period. Change in MMiT is observed regular and brisk than other parameters of temperature. Increase in temperature in Phase I is observed only 0.0628C and in Phase II it is observed 0.948C. Research limitations/implications-This research can be further worked out by using different meteorological models to study the effects of urbanization on lower surface atmosphere and urban heat island effects in Lahore. Originality/value-By taking into consideration these results, the town planners and government can make different strategies to mitigate the urban effects on rising temperature in Pakistan.
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