First prize forest fire prevention handwritten newspaper

The lush forest covering the earth is a huge and precious "green wealth" owned by nature. Share the handwritten newspaper on forest fire prevention for your reference!

Forest fire prevention slogan

1, enjoy green in the sun and pay attention to fire prevention when entering the forest.

2, the spark of love is the sweetest, and the spark of the forest is the most ruthless.

Fire has brought civilization to human beings, but it has brought destruction to forests.

4. Let the green embrace the earth and keep the fire away from the forest.

5, a moment of negligence brewing mountain fires, lifelong regret can not escape.

6. It's easy to burn a forest, but it's difficult to make a tree into a forest.

7. Forest fire prevention Keep in mind that everyone should protect the forest.

8. In the long forest, there is an inch of fire prevention.

9. The mountains in Xing 'an Mountains are lush, and the long fire road is of great responsibility.

10, forest+fire = burning.

1 1, a fire in the forest, two lines of tears on the ground.

12, there is no fire in the forest, the ecology is beautiful, and everyone is healthy.

13, without the dream of forest, there is a forest of fire burning with the soul.

14, forest protection is like loving home, and fire prevention depends on everyone.

15, drilling wood for fire, starting from civilization; Playing with it caught fire and almost destroyed it.

Forest fire prevention propaganda knowledge

1. Forest fire

Forest fire is the most dangerous enemy of forest and the most terrible disaster in forestry, which will bring the greatest harm and devastating consequences to 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. Although the development of science in the world is changing with each passing day, human beings have not made great progress in conquering forest fires.

2. 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 fires and underground fires.

According to the size of the affected forest area, forest fires are divided into the following four categories:

1. Forest fire: the affected forest area is less than 1 hectare or other woodlands catch fire (including yellow fire);

2. General forest fire: the affected forest area is more than 1 hectare and less than 100 hectare;

3. Major forest fires: the affected forest area is less than 1000 hectares1000 hectares;

4. Extraordinary forest fire: the affected forest area () 1 1,000 hectares or more;

3. Causes of forest fires

There are two main causes of forest fires: man-made fires and natural fires:

(1) Man-made fires include the following types:

1. Productive fire sources: fire for agriculture, forestry and animal husbandry, fire for forestry sideline production, fire for industrial and mining transportation production, etc.

2. Unproductive fire sources: such as cooking, cooking, burning paper, heating, etc. ;

3. Intentional arson

Among the fires caused by man-made fire sources, forest fires caused by land reclamation and smoking are the most. In the forest fires in China, the fires caused by cooking smoke, burning wasteland and burning paper on graves account for an absolute number.

(2) Natural fire: including lightning fire and spontaneous combustion. Forest fires caused by natural fires account for about 1% of the total forest fires in China.

Three factors affecting fire

Temperature, humidity and unit combustible load.

4. Discover forest fires-Finding them is more meaningful than putting them out.

Forest fire is very harmful and difficult to put out, so it is particularly important to put out the fire immediately when the fire is still in its infancy.

Because forest fires are often located in deep mountains and old forests, it is not easy to find them, so it is of great significance to find them early.