OUR MISSION: As our climate changes, ACER supports communities with grassroots initiatives to plant trees, and educates on how to measure, monitor and report on tree health and growth.

Measuring Our Resources

ACER started this resource-based program in 2004 to help train and enable enable students to accurately collect tree measurement data to monitor tree health and growth in both urban and non-urban forests and green spaces. at their schools and in their communities. It has since then been used in various projects outside of schools as well.

The program is cross-curriculum and multi-grade with resources that teach students how to map, inventory, measure and report on their schoolyard trees (using mapping techniques that range from pacing to mapping with GPS/GIS) with ACER acting as the guide to help teachers roll out the program. As the schoolyard field study and tree inventory is being carried out, students learn, hands-on, the importance of collecting accurate and reliable data in helping assess and address climate change. 

Measuring Our Resources enhances curriculum in multiple disciplines including mathematics, literacy, science and geography by involving core learning in grades 7-12. It also builds interpersonal communication skills as the project requires extensive teamwork by the students.

This program can be incorporated into lesson plans and meets the academic standards set out in the Ontario Curriculum. For example:
✓ Develop map making skills.
✓ Use GPS technology to locate trees.
✓ Measure perimeters and diameters; understand graphs and tables.
✓ Plant growth and adaptations, ecosystem functions, weather and climate.
✓ This program is adaptable to small green spaces such as boulevards, parks, churches and naturalized areas.

Measuring Our Resources Manual: contact office@acer-acre.ca to request a copy
Role Cards: Download a set of instructions developed by ACER on how to measure your own resources.
Common Species in GTA and Niagara and Common Invasive Species