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Spatiotemporal dynamics of land-use changes in Yenagoa city


MOJ Ecology & Environmental Sciences
Imaitor Edith Ebinemi,1 Eyenghe Tari,2 Brown Ibama2

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Abstract

The study aimed to assess the dynamics of land use changes in the urban environment of Yenagoa City, Nigeria as to understand the changes, consequences and ameliorate the changes. Objectives of the study are to determine land use changes that are evident in the study between 1996 to 2020; identify and assess the causes and dynamics of the land use changes that are evident in the study area; ddetermine the consequences of land use changes in the urban environment of the study area; and provide physical planning measures to monitor, control and manage land use changes in Yenagoa City to promote the sustainable urban environment. The study employed a Mixed Methods Research approach of concurrent triangulation and longitudinal research designs for the collection and analyses of data in the study. The study also employed remote sensing technique, Geographic Information Systems, and time series analysis techniques to collect and analyse data for the study. Stratified and simple random sampling techniques were employed for the collection of data. A total of 9 communities were chosen and sampled and 396 respondents (households) were determined and interviewed as sample size using the Taro Yamane formula. Key informants from government agencies and professionals were interviewed using their responses as themes and concepts for content analysis. The study revealed that there are significant land-use changes such as water bodies, vegetation, and built-up areas between 1996-2020. The study also identified population increases and the demand for land for urban development. The study also identified the dynamics that have caused these changes including an increase in the household size, nearness to the workplace, improve security, cheap rent, increase in migrants, employment opportunities and lack of implementation of the development plan. The consequences identified by the study include constant changes in water bodies, vegetation and built-up areas, the prevalence of flooding, encroachment to marginal lands, slum and squatter development, constant pollution, and modification of the social environment. The study recommends that; to achieve a sustainable urban development including the Yenagoa Master Plan of 2004 should be reviewed and implemented guide, control and manage urban land-use changes, the establishment of an urban land-use framework that will foster synergy of all physical planning agencies and institutions, planning and re-planning of new neighbourhoods and existing communities, continuous urban studies of land-use and environment management and encourage citizen education and participation in environmental management in the city.

Keywords

dynamics, land-use change, urban environment, Yenegoa city

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