Once upon a time, there was a little dog named Xiao Huang. He goes to the prairie to play every day. One day, he saw two "monsters" with two feet. I didn't know it was a person until I asked my mother. I saw the two men make a fire on the ground and start cooking. Inadvertently, a little spark fell on the grass. Suddenly, the ruthless fire climbed up the branch and ran to the river ... My mother ran away with Xiao Huang, shouting, "Fire, fire!" " "However, two people have fled without a trace. The fire was getting closer and closer to them. My mother tried her best to throw Xiao Huang out, but she was caught in the fire and Xiao Huang was knocked down by smoke. ...
When Xiao Huang woke up, she found that her beautiful home was beyond recognition, a mess, and the air was filled with black smoke. Those tall and straight trees have long been reduced to ashes. Flowers and grass were also swept away by the fire ... there was a bleak scene everywhere. Then he recalled that his mother died in a fire to save him. He began to cry bitterly. ...
My mother asked me if I understood, and I nodded puzzled.
When I grow up, I understand the importance of forest fire prevention. Forests play an important role in the national economy. It can not only provide wood and forest by-products needed by national construction and people's life, but also shoulder many missions such as releasing oxygen, regulating climate, conserving water, maintaining soil and water, preventing wind and fixing sand, beautifying the environment, purifying the air, reducing noise, tourism and health care. At the same time, forest is an important condition for stable and high yield of agriculture and animal husbandry. However, forest fires will bring serious harm to forests. Forest fire is the first of the three natural disasters that destroy forests. It not only causes great losses to human economic construction, destroys the ecological environment, but also threatens people's lives and property safety.
Once a forest is caught in a fire, the most intuitive harm is to burn or burn trees. On the one hand, it reduces forest accumulation, on the other hand, it also seriously affects forest growth. Forest is a renewable resource with a long growth cycle, and it takes a long time to recover after a fire. Especially after high-intensity and large-scale forest fires, it is difficult for forests to recover their original appearance, and they are often replaced by low-priced forests or shrubs. If you are repeatedly hurt by fire, it will become wasteland, even bare land. For example, after the1987 "5.6" mega-forest fire, the forest distributed on steep slopes basically turned into grass slopes after severe fire, and the ecological environment was seriously damaged. It is almost impossible to restore forests.
In addition, the forest is home to all kinds of rare birds and animals. After forest fire, it will destroy the living environment of wild animals, and sometimes even directly burn and burn wild animals. Due to forest destruction caused by fire and other reasons, many wildlife species in China have become extinct or endangered. Dozens of precious birds and animals, such as wild horses, high-nosed antelopes, Xinjiang tigers, rhinoceros, dolphin deer, ibis, yellow-bellied pheasant and Taiwan Province silver pheasant, have become extinct. In addition, giant pandas, Siberian tigers, gibbons, golden monkeys, wild elephants, wild camels, Hainan deer and other national protected animals are also in danger of extinction if they are not protected. Therefore, preventing and controlling forest fires is not only to protect the forest itself, but also to protect wild animals.
Love is green, and the heart is against fire.
Throughout the ages, Mother Earth has raised countless generations of children and grandchildren with sweet milk. It turned out that she was beautifully decorated by junior students. However, now human beings have tortured her to death for their own interests. There is only one earth for mankind; The earth is facing a serious environmental crisis. "Save the Earth" has become the strongest cry of people all over the world! .
As the main body of renewable natural resources and terrestrial ecosystem on the earth, forest plays an irreplaceable role in the history of human survival and development. Forests have the reputation of the lungs of the earth, which can absorb a lot of carbon dioxide and continuously produce oxygen needed by human beings and other living things. Forests are oxygen factories, dust filters, natural reservoirs and natural air conditioners ... forests have brought us endless benefits! Forest is the foundation of the sustained, rapid and healthy development of the whole national economy and plays an irreplaceable role in the national economic construction.
Forests are closely related to people's production and life, but forests are always threatened by fire! Fire can destroy precious natural resources! Fire will cause people to lose their precious lives! How many human civilizations disappeared in the fire? How much valuable wealth was lost in the fire? The so-called forest fire refers to a forest disaster that is out of human control and spreads freely in the forest pool, bringing certain harm and loss to the forest, forest ecosystem and human beings. Forest fire is a kind of natural disaster with strong fire and destructive power, which is very difficult to deal with.
The formation of a forest often takes decades or even hundreds of years, just like it is difficult to cut down luxury goods. It is easier to destroy trees than to plant them. Every winter and spring is a season of frequent fires, and there are different degrees of fires everywhere, such as the last Cangshan fire, which caused great losses. Therefore, it is urgent to do a good job in forest fire prevention. In order to protect our hard-won economic achievements, we must do a good job in forest fire prevention.
Fighting Forest Fires As middle school students, we should know something about the hazards, types, causes and how to fight forest fires. Let me introduce you:
First, the harm of forest fires
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. Although the science in the world is changing with each passing day, human beings have not made great progress in controlling forest fires.
Second, the 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: 1. Surface fire II. Crown fire 3. Underground fire.
Third, the 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 outdoor smoking, 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 our city, the fires caused by smoking, 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.
Fourth, put out forest fires
(A) how to strengthen safety measures when putting out the fire
Strengthen fire control organizations. One is to send comrades with fire fighting experience as front-line commanders. Second, the temporary organization of firefighters, must specify the section chief and team leader. The third is to clarify fire discipline and safety matters. The fourth is to check whether the fire-fighting equipment meets the requirements and whether the fire-fighting clothes are very loose and flame-retardant. Fifth, strengthen fire reconnaissance and organize fire communication, rescue and logistics support. The sixth is to enter the fire from the tail of the fire and fight along the two wings of the fire. Seventh, don't strike the fire head directly in the wind, don't strike the fire head up the mountain, don't strike the fire head on cliffs, steep slopes and broken terrain, don't put out the fire directly in windy weather and fire conditions, and don't put out the fire in places with dense combustibles. Eight is the correct use of fire fighting equipment.
(2) What are the ways to save yourself from danger?
Retreat to a safe area. The fire fighting team (group) should observe the changes of the fire scene when putting out the fire. In case of Fei Huo and cyclone, organize firefighters to enter burn areas, areas with less vegetation and low flame. The second is to ignite and save yourself according to the specifications. It is necessary to unify the command, choose a relatively flat place, and lie down to avoid danger according to regulations. In case of danger, you should lie down in a place with less vegetation nearby, with your feet facing the fire, pull open the floating soil until you see wet soil, bury your face in the pit, wrap your head with clothes and put your hands in front of your body. The fourth is to break the wind according to the norms. When the wind changes suddenly and the fire turns around, the commander should decisively give the order to break through, and the players themselves should make decisive decisions, choose places with less grass, wrap their heads with clothes, hold their breath and rush to break through in the wind. People should be able to break through in 7.5 seconds. Never race against the fire, only rush to it.
Verb (abbreviation of verb) the meaning of forest fire prevention
(A) forest fire prevention is the need to protect natural resources.
This forest is rich in wildlife resources. Especially in large state-owned forest areas, nature reserves and scenic spots, there are many kinds of ancient and famous trees, famous flowers and birds and rare animals. These are all rare and precious wealth of mankind. However, forest fires will burn these precious resources. Therefore, preventing forest fires means protecting natural resources.
(2) Wood fire prevention is the need to protect the ecological environment.
Forest is the highest and largest ecosystem on land. It is a good environment for human beings and wild animals to survive. As we all know, forests play a very important role in maintaining and protecting the ecological environment. However, forest fires will weaken or even disappear these functions. Therefore, preventing forest fires is to protect the ecological environment.
(3) Forest fire prevention is the need to protect and develop forests.
Forest fire is the first of the three natural disasters in the forest, and fire prevention is to protect the forest. Forest is the foundation of developing forestry, without which there would be no forestry. China is a Shaolin country, and its forest coverage rate is only 13.92%, far below the world average of 72%. Therefore, on the basis of protecting the existing forest resources, it is still the main work for forestry in China. The national natural forest protection project is a milestone of forestry development in China. In order to protect the existing natural forests, the state has formulated a policy of strictly controlling the felling of natural forests, and the state finance has increased its investment in forestry, which has provided a guarantee for the forestry panic in China. However, forest fire can burn a large area of forest in a short time, which is not conducive to the development of forestry. Therefore, forest fire prevention is the basic work of protecting forest resources and developing forestry.
(D) Forest fire prevention is the need to maintain social stability in forest areas.
Forest fire prevention concerns thousands of households in forest areas. Forest is the material basis for people in forest areas to survive. Forest fire will destroy or even disappear the forest, which will bring difficulties to the production and life of people in forest areas. In addition, forest fires will directly threaten the lives and property of people in forest areas. Serious forest fires will not only cause casualties, but also destroy buildings and make people lose their homes. Daxinganling +0987 forest fire, which not only killed more than 200 people, but also left more than 50,000 people homeless. The food, clothing, housing and transportation of these people have become a very serious social problem. In addition, at present, the economic downturn in forest areas, some lawless elements for immediate interests, using the means of setting fire to open up wasteland. Therefore, forest fire prevention should not only prevent forest fires caused by unexpected factors, but also crack down on a few lawless elements to prevent them from deliberately setting fires and maintain social stability in forest areas.
Every winter and spring is a season of frequent fires, and fires occur in different degrees everywhere, just like the last Nichuan fire, which caused casualties and huge losses. Therefore, it is urgent to do a good job in fire prevention. In order to protect our hard-won economic achievements, to protect our living environment, to build our green home, beat it! Overcome this ruthless fire.
Fire and water are ruthless, not for fun. There is an old saying: "He who plays with fire will set himself on fire!" A casual action of man can bring disaster to the forest and endless pain to mankind! As middle school students, we should start from ourselves: strictly abide by the code for middle school students, be a good fire propagandist, and tell everyone around us the importance of fire prevention. Let our home prosper forever!