Estudio (2) Madrid (1) Labor (1) Geographic information systems (1) Greenhouse gases (1) Vegetation dynamics (1) Trails (1) Time (1) Summer (1) Soils (1) School children (1) Salt mines and mining (1) Rural population (1) Rural families (1) Rural development (1) Research (1) Quality of life (1) Public goods (1) Public domain (1) Pictures (1) Measurement (1) Indexes (1) Government property (1) Fuel (1) Fountains (1) Forest fires (1) Fires (1) Fire prevention (1) Fire (1) Evaluation (1)