Douglas Fir uprooted in a windstorm soon after sprinkler system trenching severed many of its roots.
When landscaping and construction practices do not consider the health of existing trees, damage, disease, and death may result. With the maturation of our urban forests in recent decades, and with increased demand for renovation of existing landscapes, a new approach, one that regards tree preservation as a central focus, is called for.
Below are several articles describing common risks to existing trees along with strategies for avoiding construction damage and, thus, fostering tree preservation. The first two originally appeared as Guest Opinion pieces in Boulder Colorado's Daily Camera.