Many trees in Bridlemile and SW have become infested with English Ivy whick will eventually kill these trees.
Rescuing a tree from Ivy is a simple two step process: girdling and creating a lifesaver. Girdling entails carefully cutting the ivy runners on the trees at ankle and shoulder height, and removing that section of runners from the tree without damaging the tree's life giving bark.

Before and after tree rescue (and blackberry removal), note that ivy has not yet died in the right hand photo, but has been removed from the bottom 5 five of the tree. Albert Kelly Park by footbridge, looking East. Photos by Victor von Salza
Creating a lifesaver entails pulling back/removing all the ivy on the ground to a least six feet from the base of each tree.
Detailed information and photos of this two step process can be found on this No Ivy League webpage.