We found a Red Maple tree on the school property. We had to examine it over every week for several months. We took notes on what percentage of leaves were left and leaf color. My tree started with roughly 85% of green leaves and by the end there were only two leaves left.
Vital Signs is a Gulf of Maine Research Institute Program. Except where otherwise noted, content on this site is licensed under a Creative Commons Attribution (CC-BY) 3.0 License.