On Sept. 23rd, 2014, the students remeasured the trees planted in 2008. The trees are now “mature” trees (> 4 cm in diameter at 1.3 m) and the students used clinometers to calculated the height of their trees.
Written by ACER executive board member Elizabeth MacLean, with a tree planting guide by ACER founding president Alice Casselman. Ontario has its own celebrated oak
Written by ACER executive board member Elizabeth MacLean. “The sky’s the limit,” said Fazal Khan in an August on-line preview presentation of the TreeTrackers.ca website to ACER