As early as 1924, environmentalist Aldo Leopold argued that wildfires were beneficial to ecosystems, and were necessary for the natural propagation of numerous tree and plant species.
早在1924年，环境保护主义理论家奥尔多·利奥波德提出山火对生态系统的益处，并且对很多种树木和植物的物种自然繁殖是必要的。