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Fire risk at the wildland-urban interface:a case study of a Galician county

机译：荒野与城市交界处的火灾风险：以加利西亚县为例

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In Galicia (Spain), wildfires are one of the main environmental problems, with an annual average of close to 8,600 forest fires between 1999 and 2008. Most of these fires are intentionally ignited. It is therefore crucial for fire prevention policies to assess human-started fires and their relationship with socioeconomic aspects. In this paper we focus on the spatial pattern of human presence in the territory as an important determinant on forest fires ignitions. We identify, classified and map wildland-urban interface (WUI) and assess fire risk by types of WUI in a Galician county with one of the highest incidence of forest fires during the studied period (1999-2008). Following Lampin-Maillet et al. (Mapping wildland-urban interfaces at large scales integrating housing density and vegetation aggregation for fire prevention in the South of France. Journal of Environmental Management 2010) approach, and based on a combination of a map of buildings, obtained from the National Topographic Base, and the SIOSE land-cover map (Information system of land use cover in Spain) we distinguished among 12 types of interfaces. Our results show a significant relationship between the different types of WUI and the spatial patterns of wildfire ignition points. The highest density of fire ignition points was found in non-forest WUI with either dispersed or very dense clustered buildings.
机译：在加利西亚（西班牙），野火是主要的环境问题，在1999年至2008年之间，每年平均有近8600场森林火灾。其中大多数是有意点燃的。因此，对于防火政策而言，评估人为火灾及其与社会经济方面的关系至关重要。在本文中，我们重点关注人类在该地区的生存空间格局，这是森林火灾点火的重要决定因素。我们在研究期间（1999-2008年）对森林火灾发生率最高的加利西亚县进行了识别，分类和绘制荒野-城市界面（WUI）的地图，并通过WUI类型评估了火灾风险。继Lampin-Maillet等。 （在法国南部，将住房密度和植被聚集进行大规模的荒野-城市界面映射，以防止火灾。环境管理杂志，2010年）方法，并根据从国家地形图基地获得的建筑物地图组合，以及SIOSE土地覆盖图（西班牙的土地利用覆盖信息系统），我们区分了12种类型的界面。我们的结果表明，不同类型的WUI与野火点火点的空间格局之间存在显着的关系。在散布或非常密集的群集建筑物的非森林WUI中，发现了最高的着火点密度。

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