infrared detection: The use of heat-sensing equipment to detect fires.

ladder fuels: Fuels that allow a surface fire to climb into the crowns of trees.

litter: The top layer of the forest floor, composed of loose debris, dead sticks, branches, twigs, and recently fallen leaves or needles.

mineral soil: Soil layers below the organic material with little combustible material.

prescribed fire: A fire deliberately ignited by managers under predetermined conditions to meet certain objectives, such as fuel reduction or habitat improvement. The fire must have an approved plan and meet environmental standards.

prevention: Activities directed at reducing the incidence of fires, including public education, law enforcement, personal contact, and reduction of fuel hazards.

rehabilitation: The activities necessary to repair damage or disturbance caused by wildland fire or the fire suppression activity.

retardant: A substance or chemical agent that reduces the flammability of combustibles.

slash: Debris left after logging...