Characterization of the understory fuel load and fire behavior simulation in eucalyptus plantations in north coast of Bahia, Brazil
DOI:
https://doi.org/10.5380/rf.v44i1.32977Keywords:
Incêndios florestais, proteção florestal, silvicultura.Abstract
Abstract
Currently, eucalyptus is the most planted forest genus in Brazil, being its wood used mainly for the production of cellulose. Forest fires in plantations of these species eventually damage or consume the raw material, generating economic losses. This work aims to characterize the surface fuel load in eucalypt plantation of the Copener Florestal Ltda. company, located on the northern coast of Bahia, and, therefore, determine the fire behavior in different scenarios based on computer simulations using the BehavePlus Fire Modeling System. In order to that, we conducted 40 destructive sampling in 05 different 06 years old stands. The fuel bed depth was determined through transect line methodology, and the wind speed was based on data from the Salgado weather station. Other data were obtained from the literature. The eucalyptus plantations had on average 11.31 t/ha fuel load,5.94 cm of fuel bed depth average, and average wind speed of4.45 km/h. Based on the simulations it was defined that only in the scenario of high risk it is essential to use large equipment for firefighting. In low and medium hazard scenarios fire can be extinguished by people using hand equipments.
Keywords: Forest fire; forest protection; silviculture.
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