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Marcador: avi

Autores: Profa. Dra. Poliana Guerino Marson_Gilson Tavares de Lima

Criado por victorn

Marcador(es): , ,

  • 13/02/2021
  • 9:32:22
  • 06/02/2021
  • 10:13:11
  • 06/02/2021
  • 10:12:59

Fire represents an important natural feature of Brazilian landscape, especially in the Cerrado biome. The Cerrado isthe economic livelihood of thousands of people from rural areas in Brazil. It is one of the most important hotspots of biodiversity inthe world but also it is a fire-prone area thanks to the high flammability index of the vegetation. Residents and native people of this environment use fire very frequently. The majority of wildfires are caused by humans, though there are some aggravating natural factors affecting the risk, intensity and severity of wildfires. Since residents are continuously involved in fire suppression activities, understanding their perceptions is important for the decision makers who must assess the local capacity to preserve natural resources. This study explores perceptions about wildfire risk and fire mitigation behaviours within three municipalities of the state of Tocantins (Brazil).

Criado por giongo

Marcador(es): , , , ,

  • 13/07/2020
  • 16:53:02

The use of mathematical models to predict the fire behavior and the load of combustible material constitutes an important tool at fire management. The objective of this study was to estimates of fuel material load and of parameters of fire behavior using of mathematical equations, at area under controlled burns. The prescribed burn accurred in two plots of 10 x 140 m each. For the characterization of the combustible material, destructive sampling was performed in 14 points per plot of 1m2, classified in vivo and dead by diameter class. During the controlled burns the fire behavior variables were obtained and the meteorological conditions were monitored. The mathematical equations were obtained through multiple linear regression using the stepwise procedure.

Criado por giongo

  • 29/06/2020
  • 18:51:02
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