Category (abbreviation) Definition (and examples) Socio-political (SP) Social, cultural, and demographic variables, e.g., time on plot, attitudes, population density, and factors related to institutions and political variables, e.g., land tenure and state. Climatic (C) Meteorological and climatic conditions, e.g., season, rainfall, temperature. Forest type and quality (FTQ) Factors related to human induced attributes and ecological conditions of forest, e.g., forest degradation and biomass density. Landscape context (LC) Concerned with the landscape at the regional scale. It includes variables that relate to the landscape in terms of its natural and human influenced attributes, including distance functions of demographic variables, e.g., distance to roads or rivers, soil quality. It does not include variables specifically relevant to forest type and quality nor to economic or socio-political factors. Economic (E) All variables related to markets and economic structures and conditions, e.g., price of beef and GDP. Technological and research (TR) The technological aspects linked to fire, e.g., detection capabilities, and those related to research, e.g., standardizing approaches, improving fire modeling. Fire management (FM) Factors explicitly related to direct fire management, e.g., fire safety training and local fire management. Fire characteristics (FC) Intrinsic properties of fire, e.g., anonymity and self-propagation.