Design of the Urban Street Trees and Problems in Turkey

Street trees are one of a city’s most important natural assets. Street trees are an important urban element that can transform the city’s streets and provide environmental, aesthetic, cultural and economic benefits. Street trees should possess strong apical growth, strong branching angles, an overall high aesthetic value, and predictable growth rates and, in general, have a potential for a long life span. Unfortunately, all the cities in Turkey haven’t management plan of urban street trees. However, there were many problems and mistakes about design and practices of urban trees in terms of TS#8146 standards. According to observations in Turkey, these problems and mistake are selection of mistake trees, no project of design, planting close spacing, don’t take consideration into aesthetics values, using of allergic trees, insufficient planting pit, negative effects by urban people and insufficient care and cure studies.