Functions, Conservation Importance and Value Assignment Approaches of Urban Trees

Urban trees are very important for the urban ecosystem. Local governments and the citizens should show more sensitivity towards them, because green areas of the city are rapidly transformed into concrete in our country in order to meet the new needs of our cities. It is needed a serious application techniques beside to scientific knowledge on this subject into different areas of trees. There is lots of knowledge on functional and dendrological properties in the previous studies on urban trees, however there is lack of information about protection and valuation issues. In this article, in addition to the existing literature, some approaches and formulas that the authors experimented to the validity of applications are presented on value, benefits and costs of urban trees