Developments In Land Use In A Periurban Area
Of Central Portugal: The Importance Of
Biophysical Parameters
Author(s)
R. L. Pato, A. Tavares & M. C. Magalhães
Abstract
This study analyses the evolution of a rural/natural area into a periurban area,
with reference to a small-scale hydrological basin close to the city of Coimbra, in
Portugal, over the last half century (1958-2005). It involves a photointerpretation
analysis using aerial images, together with field work carried out to record land
use and human occupation between 1958 and 2005, based on the Corine Land
Cover classification. Using a broad biophysical classification, the importance of
biophysical parameters to changes in land use was verified. The results show that
until the 1970s, geological and pedological variables determined forestry and
agricultural land use. Subsequently, between 1979 and 1990, urban occupation
and the building of infrastructures increased, but bore no relation to substratum
properties. Whilst the basin has contrasting E-W biophysical characteristics,
urban occupation has emphasised a N-S differentiation. The current lesser
relevance of biophysical factors in relation to land use has increased local
environmental vulnerabilities.
Keywords: land use, photointerpretation, biophysical parameters,
hydrographical basin, urban expansion.
1 Introduction
Landscape evolution and changes in land use management are a consequence of
complex interactions between environmental and socio-economic factors. The
Keywords
land use, photointerpretation, biophysical parameters,
hydrographical basin, urban expansion.
Related Book
Other papers in this volume
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