Repeated Defoliation Can Lead to Tree Death, a 2021 Harvard Study
We know that trees, just as any living thing, have a limit to their stored energy reserves. With each action a tree takes – whether it be leaf and root […]
We know that trees, just as any living thing, have a limit to their stored energy reserves. With each action a tree takes – whether it be leaf and root […]
There are various methods for collecting the data necessary for determining tree safety on properties. Some methods collect general information while other methods are much more detailed. These are categorized […]
Trees can cause severe damage when they fall during typhoons. They can shut down roads, hit buildings and vehicles, and in rare cases, even injure or kill people. In 2018, […]
Trees growing in the city often conflict with utilities, roads, foundations, and construction plans. When developing a property, it is often necessary to incorporate existing trees into a project plan. […]
ATP’s certified arborists help clients select trees according to the guiding principle of “the right tree for the right place”. Selecting the right tree for the right place means the […]
Nominate someone for an Award of Distinction, ISA’s highest honors, by Friday, 3 February. Learn more about the award categories and access a nomination form online today.
If you know someone who demonstrates the qualities of a True Professional, nominate them as an ISA True Professional of Arboriculture. Nominations are due by 3 February, 2017. Learn more […]
Get information on pruning systems, fruit tree pests and diseases, Climbers’ Corners, Abiotic and Biotic Stress Complexes, and
Getting Work Done in the Urban Forest.