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A controlled burn or prescribed burn (Rx burn) is the practice of intentionally setting a fire to change the assemblage of vegetation and decaying material in a landscape. The purpose could be for forest management , ecological restoration , land clearing or wildfire fuel management.
A backfire is a more aggressive type of burning done to influence the behavior of the main fire. In forest and prairie management, the driptorch is the most common tool used to ignite prescribed burns, which are used to remove excess fuel buildup or to re-create natural cycles of fire in an ecosystem.
Recently efforts have been undertaken by the Canada Parks system to incorporate prescribed burns. What they have found is a reduction in wildfire intensity in parks using prescribed burns though they did uncover some problems. In area with prescribed burns and a high herbivore population experience negative effects regarding in sapling occurrence.
Commentary: Burning operations in 2023 removed excess vegetation on 6,000 acres and thus reduced fire danger
This study showed that prescribed fires maintained the richness of the area. Fire burns are particularly needed to sustain native plant species. They increased the proportion of native plants to non-native plants and the richness of native plants. Fall burning, in particular, increased overall and native richness.
Prescribed burning is a technique used in ecosystem management. This indirectly benefits society via the maintenance of ecosystem services and the reduction of severe wildfires. Ecosystem management is an approach to natural resource management that aims to ensure the long-term sustainability and persistence of an ecosystem 's function and ...
Wildfire prevention programs around the world may employ techniques such as wildland fire use (WFU) and prescribed or controlled burns. [121] [122] Wildland fire use refers to any fire of natural causes that is monitored but allowed to burn. Controlled burns are fires ignited by government agencies under less dangerous weather conditions. [123]
A common management method is called prescribed burning. Prescribed burning is done by intentionally setting fires in specific areas to promote the biodiversity and health of forests, while restricting the ability of it to have severe short-term socioeconomic impacts. [18]