Regional incidence of forest fires in Portugal: trends for the period 1980-2012

Authors

  • Adélia Nunes Departamento de Geografia e Centro de Estudos em Geografia e Ordenamento do Território da Universidade de Coimbra
  • Luciano Lourenço Departamento de Geografia e Centro de Estudos em Geografia e Ordenamento do Território da Universidade de Coimbra
  • António Bento-Gonçalves Departamento de Geografia e Centro de Estudos em Geografia e Ordenamento do Território da Universidade do Minho
  • António Vieira Departamento de Geografia e Centro de Estudos em Geografia e Ordenamento do Território da Universidade do Minho

DOI:

https://doi.org/10.14195/0871-1623_33_7

Keywords:

Climate, Trends in density of ignitions, Trends in % of burned area, Pearson and Spearman coefficients, Districts of Portugal

Abstract

In this work we aim to analyze the spatial distribution and to detect trends in the density of ignitions and in the percentage of burnt areas, for the period 1980-2012, at district level. Concerning to the density of ignitions, the results obtained show a significant positive trend for all the territorial units, when Pearson and Spearman coefficients were applied. As regards to the mean annual percentages of surface incinerated, the results are much more discrepant. With positive trends (p-value <0,05), all the districts of the northern region are highlighted, while Beja and Évora exhibit the same trend, only if the Spearman coefficient is applied. With opposite trend, i.e. decrease in the mean annual percentages of surface incinerated, only Coimbra is emphasized. In the other districts the observed trends are not statistically significant (p-value >0,05).

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Published

2015-06-01

Issue

No. 33 (2014): Cadernos de Geografia n. 33

Section

Articles

License

Authors retain copyright and grant the journal right of first publication with the work simultaneously licensed under a Creative Commons Attribution License that allows sharing the work with recognition of authorship and initial publication in Antropologia Portuguesa journal.