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Directions of change in land cover and landscape patterns from 1957 to 2000 in agricultural landscapes in NW Spain.

Calvo-Iglesias MS, Fra-Paleo U, Crecente-Maseda R, Díaz-Varela RA

Department of Agroforestry Engineering, University of Santiago de Compostela, Escola Politécnica Superior Campus Universitario s/n, 27002, Lugo, Spain. scalvo@lugo.usc.es

The aim of this work is the analysis of the dynamics in cultural landscapes, focused on the spatial distribution of changes in land cover and landscape patterns, and their possible linkages. These dynamics have been analyzed for the years 1957 and 2000 in a sector of the north of Galicia (NW Spain) characterized with diverse landscapes. Afforestation processes linked to agriculture abandonment and forestry specialization were the main processes observed in the study area, with the exception of the southern mountainous sector that was dominated by ploughing of scrubland for conversion into grassland, reflecting a specialization in livestock production. The structural changes that have taken place in most of the study area were related to the heterogeneity aspects, although the mountainous sectors were characterized by changes in heterogeneity and fragmentation. According to the tests performed, the comparison of the spatial distribution of both dynamics showed a certain statistical significance, reflecting the interrelationship between patterns and processes. This approach could be useful for the identification of areas with similar characteristics in terms of spatial dynamics so as to define more effective and targeted landscape planning and management strategies.

Published 20 November 2006 in Environ Manage, 38(6): 921-33.
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