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Occurrence of fire foci under different land uses in the State of Amazonas during the 2005 drought

Author

Listed:
  • Maria Lucia Ferreira Barbosa

    (Universidade Federal Rural do Rio de Janeiro (UFRRJ))

  • Rafael Coll Delgado

    (Universidade Federal Rural do Rio de Janeiro (UFRRJ)
    Universidade Federal Rural do Rio de Janeiro)

  • Paulo Eduardo Teodoro

    (Universidade Federal do Mato Grosso do Sul (UFMS))

  • Marcos Gervasio Pereira

    (Departamento de Solos da Universidade Federal Rural do Rio de Janeiro)

  • Tamíres Partélli Correia

    (Universidade Federal Rural do Rio de Janeiro (UFRRJ))

  • Bruno Araujo Furtado Mendonça

    (Departamento de Silvicultura da Universidade Federal Rural do Rio de Janeiro)

  • Rafael de Rodrigues

    (Universidade Federal de Goiás – Regional Catalão)

Abstract

The objective of this work is to evaluate the occurrence of fire foci during the severe drought that occurred in 2005 in the State of Amazonas. The study was conducted in the State of Amazonas, which is inserted in the northern region of Brazil. The main types of vegetation are Igapó Forest, Várzea Forest and Terra Firme Forest. Kernel density was used to spatialize fire foci to quantify them in seven classes of land use and cover (forest, pasture, exposed soil, urban area, pastoral agroforestry system, agroforestry system and agriculture). Through the regression analysis, the relation among the number of fire foci and four meteorological variables was obtained: rainfall, evapotranspiration, relative humidity and average air temperature. Forest and pasture classes were those with the highest number of fire foci corresponding, respectively, to 58 and 37% of the total number of foci. This can be explained by the greater representativeness of these classes in the State and by the high degree of soil exposure in the case of pasture. The number of fire foci was higher in the dry season, covering approximately 85% of the total fire foci. The variable that had the greatest influence on the occurrence of fire foci in the dry season was evapotranspiration. The study puts on alert the vulnerability of the State of Amazonas to the occurrence of fires and may also suggest actions to mitigate carbon emissions and biomass stock. Research like this one may provide subsidies to region’s managers in an attempt to preserve forest areas and a greater controlling in priority areas considered very high.

Suggested Citation

  • Maria Lucia Ferreira Barbosa & Rafael Coll Delgado & Paulo Eduardo Teodoro & Marcos Gervasio Pereira & Tamíres Partélli Correia & Bruno Araujo Furtado Mendonça & Rafael de Rodrigues, 2019. "Occurrence of fire foci under different land uses in the State of Amazonas during the 2005 drought," Environment, Development and Sustainability: A Multidisciplinary Approach to the Theory and Practice of Sustainable Development, Springer, vol. 21(6), pages 2707-2720, December.
    • Handle: RePEc:spr:endesu:v:21:y:2019:i:6:d:10.1007_s10668-018-0157-4
    DOI: 10.1007/s10668-018-0157-4
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    References listed on IDEAS

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    1. José Sena & Leandro Beser de Deus & Marcos Freitas & Lazaro Costa, 2012. "Extreme Events of Droughts and Floods in Amazonia: 2005 and 2009," Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), Springer;European Water Resources Association (EWRA), vol. 26(6), pages 1665-1676, April.
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