Tree roots and infrastructure

Excavation and trenching for pipes, roads, and other infrastructures can cause considerable damage to highly valued trees in urban areas. The development of techniques and methods to solve these problems has often been governed by short-term economic interests. [UMN]

"Tree roots that penetrate sewer pipes and disrupt their function can have serious economic consequences. Agencies or persons responsible for sewer systems could reduce or avoid root intrusion by sitting pipes away from existing mature trees, by reducing the number of pipe joints, and by ensuring that pipes are properly installed. Agencies or persons responsible for parks and public gardens can also minimize or prevent root intrusion by planting only slow-growing species with nonaggressive root systems near sewers." [Abstract]

[San Francisco, Mar. 5-6, 1998]

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