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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.
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.
Radical disruption of indigenous burning practices occurred with European colonization and the forced relocation of those who had historically maintained the landscape. [8] Some colonists understood the traditional use and benefits of low-intensity broadcast burns ("Indian-type" fires), but others feared and suppressed them.
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]
The UW Arboretum was the center of tallgrass prairie research through the first half of the 20th century and the study of techniques like prescribed burning. [119] It was followed by the 40-hectare Schulenberg Prairie at the Morton Arboretum , initiated in 1962 by Ray Schulenberg and Robert Betz.
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Pain management is an aspect of medicine and health care involving relief of pain (pain relief, analgesia, pain control) in various dimensions, from acute and simple to chronic and challenging.
Pepper spray, oleoresin capsicum spray, OC spray, capsaicin spray, mace, or capsicum spray is a lachrymator (tear gas) product containing the compound capsaicin as the active ingredient that irritates the eyes to cause burning and pain sensations, as well as temporary blindness. Its inflammatory effects cause the eyes to close, temporarily ...