controlled burn的意思|示意

英文单词controlled burn，即控制燃烧，是指将一段时间内，在特定的地形条件下，通过人工火控烧焚等方法，主动或被动的烧毁某一局部的生态系统的作业。

Controlled burns are often used in the conservation of forests, savannas, and prairies (grasslands). They are also used in agriculture, as they can improve fertility, reduce weeds, and promote better growth of crops.

Controlled burns help to reduce the risk of wildfires by reducing the build up of dead, combustible material like leaves, twigs, and branches. This helps to reduce the intensity and spread of any potential fires.

Controlled burns can also help to promote the growth of wildflowers and other native species that require bare soil to germinate and grow.

Controlled burns must be carefully managed and can only be conducted when the conditions are right, such as low wind speeds, low humidity, and moderate temperatures. Fuel should also be limited and special care taken to ensure that the burn does not get out of control.

Controlled burns are just one way to reduce the risk of wildfires. Fire prevention and fuel management are also important ways to protect forests from fires.