Therefore, prescribed fire is used to restore the ecological role of fire. Not only is it contrary to park policy, logging offers few of the ecological benefits of fire. It completely removes trees and nutrients whereas fire recycles them. Economically feasible logging requires roads and sorting areas, severely disrupting ecosystems and the visitor experience. Fire managers use knowledge of weather patterns, fuel moisture, fire behaviour, natural barriers and effective fire suppression strategies to plan and contain prescribed burns.
Studies suggest that health risks to the general public are very low.
Prescribed burns are planned to be carried out in weather conditions that disperse smoke away from developed areas. Carbon cycles through ecosystems so the CO2 released by fires is balanced by CO2 taken up by plants. Global warming is caused by the addition of excess CO2 from burning fossil fuels. Large mammals are rarely trapped by fire. Spring grass fires are conducted in advance birds' nesting period.