1. Forest provides the greatest amount of oxygen to approximately two thirds of the oxygen consumed by humans, animals, microorganisms, industry, agriculture, is taken from the atmosphere by its supply by trees and shrubs (vegetation).
2. Absorbs a significant amount of CO2 (greenhouse gas), helping to reduce pollution and having a beneficial impact on the environment.
3. Fix the soil, preventing erosion and landslides caused by rain or wind.
4. Filter water from the precipitation, by draining it through layers of moss and dead leaves, providing a clear and clean water.
5. Greatly reduces the size of floods if heavy rains, retaining a large quantity of water in the canopy and litter and its disposal gradually.
6. It represents a complex ecological system that shelters many species of plants and animals, many of which are threatened with extinction due to adaptation to specific conditions there.
7. Still little is a source of medicines and natural remedies.
8. It has a great aesthetic impact, the landscapes in which they appear forests are preferred land occupied by crops or other human amenities.
9. It held a place of recreation and therapeutic recognized.
10. It has a great importance of education - scientific, both for us and for generations to come.
