Flammability of tree species for use in fuelbreaks at forest fires prevention
DOI:
https://doi.org/10.4336/2016.pfb.36.88.991Keywords:
Fuelbreaks, Forest protection, Preventive ForestryAbstract
Among several silvicultural measures of forest fires prevention, fuelbreaks stands out. These structures are used to reduce and/or prevent fire spread. They consist of plantations with lower flammability species than the main species. The aim of this study was to evaluate the flammability of Psidium cattleianum Sabine., Ligustrum lucidum W. T. Aiton., Schinus terebinthifolius Raddi. and Bougainvillea glabra Choisy, for potential use in fuelbreaks. In this research Pinus taeda L. was used as control. Samples consisted of 1 g of fine material (< 0.7 cm of diameter) newly collected. Samples burning were performed in epiradiator, under temperature between 250 °C and 350 °C. It was carried out 50 replications for each species. It was analyzed ignition frequency, time to ignition, combustion duration, combustion index, and it was also determined flammability value. P. taeda presents a very high combustion intensity and was classified as a flammable species. The other species were considered poorly flammable. S. terebinthifolius and B. glabra indicated low combustion intensity, L. lucidum medium and P. cattleianum high combustion intensity. In this context, it was concluded that these species have potential to be used in fuelbreaks to prevent forest fires.
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Copyright (c) 2016 Bruna Kovalsyki, Igor Kiyoshi Takashina, Andressa Tres, Alexandre França Tetto, Antonio Carlos Batista
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