Consumo de combustible por quema de la capa de hojarasca de bosque de pino-oyamel y pino-encino
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Los incendios forestales consumen grandes cantidades de combustible forestal. El objetivo de este trabajo fue evaluar el consumo de la capa de hojarasca en quemas de camas de combustibles forestales de pino-encino y pino-oyamel presentes en la Reserva de la Biosfera Mariposa Monarca. Se quemaron capas de hojarascas (n=54), en tres condiciones de pendiente (0, 10 y 20°). Se evaluó la carga pre y post quema para conocer el consumo de combustibles. No encontramos variación de consumo en las quemas de la capa de hojarasca entre pino-encino y pino-oyamel, tampoco entre pendientes. El porcentaje de consumo fue de 60 y 45% en pinooyamel, pino-encino, respectivamente. El consumo se correlacionó significativamente con el comportamiento del fuego, la carga de combustible y el factor de eficiencia de combustión permitiendo generar ecuaciones lineales de estimación de consumo. Las capas de hojarascas en las que están integradas las acículas de los pinos no tienen variación en el consumo de combustible, sugiriendo que la dominancia de las acículas de pinos puede ser un indicador de una misma cama de combustible.
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