Investigation the Ecological Factors Affecting Fire Spread in Forest Ecosystems (Case Study: Kakareza-Lorestan)

Fire is considered as one of the main destructive factors in forest ecosystems producing negative ecological, economic, and social outcomes. Identifying the factors contributing to break-out and spread is basic mechanism to combat fire and achieve control management. The research intends to identify the ecological factors influencing fire spread in forest ecosystems by using geographical information system at Kakareza area in Lorestan. After conducting basic studies, homogenous environmental units were produced and divided into four classes by using multi criteria evaluation method. The condition of regions having already caught fire was studied by inventory. The data were analyzed by using GIS and AHP. The results of this study showed that vegetation and moisture in fuel materials are the main factors affecting fire spread in forest ecosystem