Abstract
In this paper we test the hypothesis that landscape changes in a region of Northern Portugal (Minho) in the last 40 years could be predicted from socioeconomic and political history. The major predicted changes were related to agricultural abandonment and afforestation. We further predicted that these changes contributed to increased fire risk. Analysis of aerial photography for the years 1958, 1968, 1983 and 1995 in a study area of 3700 ha revealed a significant decline in agricultural areas and low shrublands and an increase in tall shrublands and forests. This represented a 20–40% increase in fuel accumulation at a landscape level, suggesting that the abandonment of farming activities is a major driving force of increasing fire occurrence in the region. With one exception, all the predictions were partly or totally confirmed. This study confirms that socioeconomic factors might explain a significant part of the variation in landscape composition across time, in the Mediterranean region.
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References
Castro Caldas, E.Q. 1941. Um problema de determinação de renda. Estudo de um contrato de arrendamento numa empresa familiar minhota. Instituto Superior de Agronomia. Lisboa, Portugal.
Castro Caldas, E.Q. 1994. Terras de Valdevez e Montaria de Soajo. Memória Monográfica do Concelho de Arcos de Valdevez. Verbo. Lisboa, Portugal.
CCRN 1995. O estado do Ambiente e do Ordenamento do Território na Região do Norte. Comissão de Coordenação da Região Norte. Porto, Portugal.
Costa, J.C., Aguiar, C., Capelo, J.H., Lousã, M. and Neto, C. 1998. Biogeografia de Portugal continental. Quercetea 1: 5–56.
Dunn, C.P., Sharpe, D.M., Guntenspergen, G.R., Stearns, F. and Yang, Z. 1991. Methods for analyzing temporal changes in landscape pattern. In Quantitative Methods in Landscape Ecology. pp. 173–198. Edited by M.G. Turner and R.H. Gardner. Springer-Verlag. New York, NY, USA.
Eastman, J.R. 1990. IDRISI. A Grid-Based Geographic Analysis System. Graduate School of Geography, Clark University. Worcester, MA, USA.
ESRI 1992. Understanding GIS. The Arc/Info method. ESRI, Redlands. California, USA.
Etienne, M., Aronson, J. and Le Floc'h, E. (1998) Abandoned lands and land use conflicts in Southern France. In Landscape Degradation and Biodiversity in Mediterranean-Type Ecosystems, pp. 127–140. Edited by P.W. Rundel, G. Montenegro and F.M. Jaksic. Springer-Verlag. Berlin, Germany.
European Commission 1996. Forest Fires in the South of the European Union. European Commission, Directorate General for Agriculture. Brussels, Belgium.
Farina, A. 1998. Principles and Methods in Landscape Ecology. Chapman and Hall. London, UK.
Finan, T., Fox, R. and Medeiros, M. 1993. Patterns of production and resource use in the Minho. In Structural Change and Small-Farm Agriculture in Northwest Portugal. pp. 46–70. Edited by F. Buttel, B. DeWalt and P. Pinstrup-Andersen. Cornell University Press. Ithaca, NY, USA.
Forman, R.T. 1997. Land mosaics. The Ecology of Landscapes and Regions. Cambridge University Press. Cambridge, UK.
Fox, M.D. and Barry, J.F. 1987. The role of fire in the scleromorphic forests and shrublands of eastern Australia. In The Role of Fire in Ecological Systems. pp. 23–48. Edited by L. Trabaud. SPB Academic Publishing. The Hague, The Netherlands.
Gardner, R.H. and Turner, M.G. 1991. Future directions in quantitative landscape ecology. In Quantitative Methods in Landscape Ecology. pp. 519–525. Edited by M.G. Turner and R.H. Gardner. Springer-Verlag. New York, NY, USA.
Instituto Nacional de Estatística 1954. Inquérito às explorações agrícolas do Continente. III Províncias de Trás-os-Montes e Alto Douro. INE. Lisboa, Portugal.
Instituto Nacional de Estatística 1960. X Recenseamento geral da população. INE. Lisboa, Portugal.
Instituto Nacional de Estatística 1979. Recenseamento agrícola do Continente. INE. Lisboa, Portugal.
Instituto Nacional de Estatística 1981. Recenseamento da população e habitação. INE. Lisboa, Portugal.
Instituto Nacional de Estatística 1989. Recenseamento geral agrícola. INE. Lisboa, Portugal.
Instituto Nacional de Estatística 1993. Censos 91. XIII Recenseamento geral da população. INE. Lisboa, Portugal.
Kienast, F. 1993. Analysis of historic landscape patterns with a Geographic Information System-a methodological outline. Landsc Ecol 8: 103-118.
LaGro Jr., J.A. and DeGloria, S.D. 1992. Land use dynamics within an urbanizing non-metropolitan county in New York State (USA). Landsc. Ecol. 7: 275–289.
Luque, S.S., Lathrop, R.G. and Bognar, J.A. 1994. Temporal and spatial changes in an area of the New Jersey Pine Barrens landscape. Landsc. Ecol. 9: 287-300.
Malanson, G.P. 1987. Diversity, stability, and resilience: effects of fire regime. In Thes Role of Fire in Ecological Systems. pp. 49–63. Edited by L. Trabaud. SPB Academic Publishing. The Hague, The Netherlands.
Manly, B.F., McDonald, L.L. and Thomas, D.L. 1993. Resource Selection by Animals: Statistical Design and Analysis for Field Studies. Chapman & Hall. London, UK.
McGarrigal, K., and Marks, B.J. 1995. FRAGSTATS. Spatial Pattern Analysis Programme for Quantifying Landscape Structure. USDA Forest Service. Pacific Northwest Station, GTR-351. Portland. OR, USA.
Ministério da Agricultura 1940. Plano de Povoamento Florestal. Imprensa Nacional. Lisboa, Portugal.
Moreno, J.M., Vásquez, A. and Vélez, R. 1998. Recent history of forest fires in Spain. In Large Forest Fires. pp. 159–185. Edited by J.M. Moreno. Backhuys Publishers. Leiden, The Netherlands.
Muller, M.R. and Middleton, J. 1994. A Markov model of landuse change dynamics in the Niagara Region, Ontario, Canada. Landsc. Ecol. 9: 151–157.
Neiva Vieira, J.A. 1995. Falemos da nossa história florestal... Mediterrâneo 7: 173–194.
Parks, P.J. 1991. Models of forested and agricultural landscapes: integrating economics. In Quantitative Methods in Landscape Ecology. pp. 309–322. Edited by M.G. Turner and R.H. Gardner. Springer-Verlag. New York, NY, USA.
Rego, F. 1992. Land use changes and wildfires. In Responses of Forest Ecosystems to Environmental Changes. pp. 367–373. Edited by A. Teller, P. Mathy and J.N.R. Jeffers. Elsevier Applied Science. London, UK.
Ribeiro, O., Lautensach, H. and Daveau, S. 1987. Geografia de Portugal. Edições João Sá da Costa. Lisboa, Portugal.
Rodrigues de Queiróz, J.B. 1920. O Concelho de Guimarães sob o ponto de vista agrícola. Dissertação Inaugural apresentada ao Instituto Superior de Agronomia. Lisboa, Portugal.
Simpson, J.W., Boerner, R.E.J., DeMers, M.N., Berns, L.A., Artigas, F.J. and Silva, A. 1994. Forty-eight years of landscape change on two contiguous Ohio landscapes. Landsc. Ecol. 9: 261–270.
Sokal, R.R. and Rohlf, F.J. 1981. Biometry. W.H. Freeman and Co. New York, NY, USA.
Turner, M.G. and Dale, V.H. 1990. Modeling landscape disturbance. In Quantitative Methods in Landscape Ecology. The analysis and Interpretation of Landscape Heterogeneity. pp. 323–351. Edited by M.G. Turner, and R.H. Gardner. Springer-Verlag. New York, NY, USA.
Vasconcelos, M.J., PaÚl, J.C., Silva, S., Pereira, J.M., Caetano, M.S., Catry, F.X. and Oliveira, T.M. 1998. Regional fuel mapping using a knowledge based system approach. In Proceedings of the III International Conference on Forest Fire Research. pp. 2111–2123. Edited by D.X. Viegas. ADAI. Coimbra, Portugal.
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Moreira, F., Rego, F.C. & Ferreira, P.G. Temporal (1958–1995) pattern of change in a cultural landscape of northwestern Portugal: implications for fire occurrence. Landscape Ecology 16, 557–567 (2001). https://doi.org/10.1023/A:1013130528470
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DOI: https://doi.org/10.1023/A:1013130528470