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Catalogue of forest fire prevention blackboard newspaper
1, the classic slogan of forest fire prevention:

Go hiking in the wild without any sparks.

Don't be warm to me, I just want you to take care of me.

Forests are the green lungs of the earth, and fire prevention is our mission!

Take care of the green forest and build a fire barrier together.

Don't smoke when climbing Mount Tai, guard against fire and ensure safety.

Protecting forest security under the new normal of forest resources lifeline.

"Lin" is close to "fire" as "burning", which is enough to be alert; From "heart" to "truth" is "prudence", so don't take it lightly.

There is no fire in the forest, everyone is healthy and the ecology is beautiful!

No fireworks, protect the lungs of the earth.

Join hands in forest fire prevention and share the lives of the country and the people.

2. Forests and their functions

Forest refers to the whole forest plant community dominated by trees and other plants in a certain area. They interact, depend on each other and influence each other, forming a complex forest ecosystem.

The main components of forest are trees, undergrowth plants, seedlings, ground cover plants and extra-layer plants. Forests are divided into shelter forests, timber forests, economic forests, firewood forests and special-purpose forests.

Forests are precious material wealth and renewable natural resources of human beings. In addition to providing wood and forest by-products, forests also bring various benefits to human production and life. Forest plays an important role in national economic and social development, and its main functions are: beautifying landscape and protecting nature; Purify the air and transform the environment; Improve water quality and protect water sources; Regulate climate and develop agriculture; Provide materials and develop the economy.

3, the harm of forest fire

Forest fire is the most dangerous enemy and the most terrible disaster in forestry, which will bring the greatest harm and devastating consequences to the forest. Forest fire will not only burn patches of forest, harm the animals in the forest, but also reduce the regeneration ability of the forest, cause soil impoverishment, destroy the function of forest to conserve water, and even lead to imbalance of ecological environment. Despite the rapid development of science in the world today, human beings have not made great progress in putting out forest fires.

4. Types and classification of forest fires

According to the burning position, spreading speed, damaged position and degree of forest fires, forest fires can be roughly divided into three categories: surface fires; Crown fire; Underground fire.

According to the affected forest area and casualties, forest fires are divided into general forest fires, large forest fires, major forest fires and particularly major forest fires.