樹木的作用 英文文章

1. Trees can regulate our climate, maintaining ecological balance. Trees through photosynthesis, they absorb carbon dioxide, oxygen spit, Clean air, fresh. 65 acre forest emit eno 2. Fixing trees can, conserve soil and water, but also to all kinds of dust. an acre of trees can absorb all kinds of dust 20-60 tons a year. ugh oxygen breathing. 3. Mangroves can reduce noise pollution. 40-meter-wide tree belt noise can be reduced 10 to 15 decibels. 4. Bacteria can kill trees secretions. 3,4 per cubic meter of air space with 10,000 bacteria, only three forest. four hundred. Afforestation is the obligation of every citizen, the state will also set a March 12 special day for the past 21 years. Afforestation of our study, work, life, and so have a great advantage. Afforestation can purify the air, landscaping, afforestation of the motherland, it is also capable of absorbing oxygen for people. absorb the carbon dioxide people exhale. If a large number of afforestation, the world's oxygen, it will be difficult to meet human and biological needs. Planting trees can also reduce noise. Noise pollution on human life, study, work, rest and so has caused a lot of harm. It can be said that the "enemy." Therefore, we should attach importance to afforestation. Noise can also enable human life in the long-term decline of hearing, deaf, changed silly, heart, blood pressure, nerves and other abnormalities. Even, but also people who died under the long-term noise nuisance. 4 afforestation will be able to reduce this noise, five times. Afforestation is very important not only for the survival of mankind's environmental benefits, and the production of human life and has enormous economic benefits. Irrational exploitation of natural resources, ecology is the main reason for the imbalance. Deforestation, deforestation, land reclamation, overgrazing, destroy forests and pastures, causing soil erosion and desertification. make frequent sandstorms. Irrational development of the land, arable land is decreasing. Afforestation plays an important role in maintaining ecological balance has created oxygen, air pollution, water conservation, soil and water conservation. regulatory climate, fixing, noise abatement and other functions. Now, we know so many of the benefits of afforestation, reforestation, we should more conscientiously fulfill the obligations lay the foundation for the creation of our beautiful homeland.