You may notice new orange No Parking signs affixed to some trees along Arlington’s main roads. Arlington has hired Marquis Tree Service during February and March to help with the on-going maintenance of our tree canopy. You will see about 150 trees being pruned of dead wood and about 35 trees removed which are a safety risk. Next up, Spring planting! Arlington will acquire 150 new street trees.
The American Chestnut foundation, in concert with other researchers, has said that although the return of this beautiful tree to our nation’s forests is on the path to success, full restoration will take longer than many people expect. For a full history of the American Chestnut, https://www.acf.org/the-american-chestnut/history-american-chestnut/
Thanks to the combined efforts of the Arlington Tree Committee and the Town’s Forestry Division, Arlington received a $15,000 Urban & Community Forestry Challenge Grant from the Massachusetts Department of Conservation and Recreation for the creation of a Town-wide public street tree inventory covering roughly 100 miles of Town roads. The inventory was successfully completed the Summer of 2017.
The tree inventory collected data on the diameter, species, health (including pest infestations), and precise location of existing trees and potential tree planting sites. The inventory was performed by volunteers and paid interns and is available to the public. The data will be used to develop a forestry management plan for the Town’s public street trees.
“Having a complete inventory of public trees will be instrumental in a successful forestry management program and helps the Town maintain its Tree City USA status,” said DPW Director Michael Rademacher. “The plan will also assist the Town to spend the generous donation left by John F. MacEachern.”
A full inventory was undertaken the summer of 2017. Thank you to all the volunteers who helped map Arlington’s trees!
For additional information about the inventory, see the Tree Inventory section of this site.
Biologist David George Haskell teaches students how to identify trees by the sounds produced by air moving through their leaves or raindrops spattering on them. “Depending on the shapes and sizes of their leaves, the different plants react to falling drops by producing ‘a splatter of metallic sparks’ or ‘a low, clean, woody thump’ or a ‘speed typist’s clatter.’ Every species has its own song. Train your ears (and abandon the distracting echoes of a plastic rain jacket) and you can carry out a botanical census through sound alone.” Full story is available in The Atlantic.
Scientists can determine past changes in the sun’s magnetic field by analyzing tree rings. Now German scientists have shown that tree rings in petrified trunks from fossilized forests can be used to reveal dat about the sun’s cycles from eons ago. Data obtained from the petrified forest of Chemnitz, which was buried by a volcanic erruption 290 million years ago, showed tree ring growth patterns similar to those caused by modern sunspot activity. Below is an artist’s impression of what the Chemnitz forest looked like.
In this edition: Part 2 on the science of tree planting (see especially the info on removing excess soil to expose the root collar before planting), spotlight on the yellow birch tree, info on Arbor Day and state grants, and more.