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More than half of the world population now lives in cities, and
urban expansion continues as rural people move to cities. This
results in the loss of land for other purposes, particularly soil
for agriculture and drainage. This book presents a review of
current knowledge of the extension and projected expansion of urban
areas at a global scale. Focusing on the impact of the process of
'land take' on soil resources and the ecosystem services that they
provide, it describes approaches and methodologies for detecting
and measuring urban areas, based mainly on remote sensing, together
with a review of models and projected data on urban expansion. The
most innovative aspect includes an analysis of the drivers and
especially the impacts of soil sealing and land take on ecosystem
services, including agriculture and food security, biodiversity,
hydrology, climate and landscape. Case studies of cities from
Europe, China and Latin America are included. The aim is not only
to present and analyse this important environmental challenge, but
also to propose and discuss solutions for the limitation,
mitigation and compensation of this process.
More than half of the world population now lives in cities, and
urban expansion continues as rural people move to cities. This
results in the loss of land for other purposes, particularly soil
for agriculture and drainage. This book presents a review of
current knowledge of the extension and projected expansion of urban
areas at a global scale. Focusing on the impact of the process of
'land take' on soil resources and the ecosystem services that they
provide, it describes approaches and methodologies for detecting
and measuring urban areas, based mainly on remote sensing, together
with a review of models and projected data on urban expansion. The
most innovative aspect includes an analysis of the drivers and
especially the impacts of soil sealing and land take on ecosystem
services, including agriculture and food security, biodiversity,
hydrology, climate and landscape. Case studies of cities from
Europe, China and Latin America are included. The aim is not only
to present and analyse this important environmental challenge, but
also to propose and discuss solutions for the limitation,
mitigation and compensation of this process.
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