“Dear Bill: An oak tree fell on our garage last night. The tree trimmer said it was crown rot. I am very concerned about a couple more trees behind the house …” That is an excerpt from an e-mail I ...

The paper is a study of risk assessment posed by trees in selected urban woodlands (urban forests) of Warsaw. Two groups of trees were analysed and compared: exhibiting signs of maturity and ageing ...

This article is a study of risk assessment of trees with hollows, cavities and fruiting bodies for the improvement of the management and protection of urban trees growing along pedestrian routes. 317 ...

Trees do not lie: Their shape always is the response to external impacts or internal damage and may be tracked by exact observation. Professor Claus Mattheck and his team at the Karlsruhe Institute of ...