Land Use Change And Environmental
Sustainability: The Case Of Lagos Metropolis
Author(s)
I. I. C. Nwokoro & S. O. Dekolo
Abstract
Land use is a most important factor in the distribution and functioning of
ecosystems and benefits derived by man. The Malthusian geometric population
growth and continuous demands for food, shelter, clothing, energy and even
pleasure has led to depletion of natural resources. Land is limited in supply and
its finite nature makes it a scarce resource that cannot meet its demand. The use
of land is a reflection of our decisions, which will determine how sustainable our
future will be. Detecting land use changes requires timely and accurate
information which can be assured by using remotely sensed data and GIS.
Analyzing the correlation between land use changes and their impacts is essential
for spatial planning at various spatial levels (global, national, regional and local
levels). A cursory look at the sporadic growth of the Lagos metropolis reveals an
unquestionable exert of pressure on the existing rural land, agricultural and
forests resources. This paper examines Spatio-temporal trends in land use and
land cover changes in the Lagos Metropolitan region, especially the loss of forest
resources and agricultural land to urban development. Landsat images were used
to produce land use classification maps for a period spanning sixteen years (1990
and 2006). The study was limited to these two dates due to cost and difficulty of
acquiring satellite imageries. The dynamics of land use change and its impact
were discussed as major findings. The paper submits that effective spatial
planning could minimize the impacts of land use changes that threaten
biodiversity and ecosystems though timely and proper monitoring using remote
Keywords
land use change, sustainable development, remote sensing, geographic information systems, urban growth
Related Book
Other papers in this volume
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