چکیده :

Regional forest trees dominate the vegetation in that form. In fact, a large garden and natural forests in which the various annual and perennial plants , large and small trees and shrubs to grow in the vehicle and create a plant community . Plant community members continue to meet their needs such as water , light and nutrients , try to stay stable and balanced . Apart from forest plants, animals, too , including birds, mammals , insects , and animals such as paragraph ends fungi, bacteria and microbes also live . Equinox has a great effect on the climate of the forest environment . Reduces cold of winter and heat of summer . Forests and trees respiratory tract of land known as carbon dioxide from the air and give oxygen affects living organisms . Woods is the first human to livestock grazing is discussed. Forest is particularly important for people of all ages . Note the relationship between civilization and the jungle is contemplative . Woods has always been an important economic resource . The main source of supply of materials, construction timber and firewood for cities and towns and rural areas and the emergence of civilization is paved . Even today the world 's population depend on firewood for their cooking . In many developing countries , wood is the main fuel . Forests also have an indirect effect on humans. Soil erosion and water supplies in major watersheds and urban water supply situation improves . Forest recreation, hunting and watching the birds and wildlife is important. Forest impact on regional and global level on climate matters. Deforestation, soil is unstable , and raises the rate of landslides on river runoff and sediment loads adds . Deforestation leads to flooding and flood damages leave billions of dollars .

کلید واژگان :

Keywords: ecotourism, forests - forests for sustainable development, economic role of forests, Ecotourism and Sustainable Development



ارزش ریالی : 300000 ریال
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