What does the forest on the Internet mean?

The forest on the network only refers to the forest itself and has no special meaning.

Forests, including arbor forests, bamboo forests and shrub lands specified by the state. According to the use, it can be divided into shelter forest, special use forest, timber forest, economic forest and energy forest (original firewood forest). ?

The biological community with woody plants as the main body is the whole ecosystem formed by the interdependence, mutual restriction and interaction between concentrated trees and other plants, animals, microorganisms and soil. It is rich in variety, complex in structure and diverse in functions. Forests are called "the lungs of the earth".

Forest and human health

Green environment will reduce the secretion of human adrenaline and the excitability of human sympathetic nerve to a certain extent. It can not only make people calm and comfortable, but also reduce the temperature of human skin by 65438 0℃ ~ 2℃, reduce the pulse by 4 ~ 8 times per minute, and enhance the sensitivity of hearing and thinking activities.

Plants in the forest, such as Chinese fir, pine, eucalyptus, poplar, juniper and oak, can secrete an aromatic monoterpene, sesquiterpene and diterpene gas "bactericide", which can kill diphtheria, typhoid, tuberculosis, dysentery and cholera in the air.

According to the survey, there are 4 million bacteria in the air per cubic meter in dry and forestless places, while there are only 600,000 bacteria on the boulevard and only dozens in the forest.