The Ontario Tree Marking Course is mandatory for all tree markers working on Crown land in Ontario. Several municipalities in Ontario also have By-Laws that require a woodlot be marked by a certified tree marker.
The course is also valuable if you:
- Would like to become an independent tree marker;
- Would like to increase your awareness of forest ecology;
- Would like to know more about forest management practices used in Ontario
Before you take the course
While not mandatory, you should have the following skills and knowledge before attending a tree marking course:
Preparation for Level 1 Course:
- Learn to able to identify Great Lakes-St Lawrence tree species
- Learn to able to use a prism and calculate the average amount of an area covered by tree stems (basal area)
- Have knowledge about of silviculture and forest ecology
- Review the Ontario Silviculture Guide(s) and Tree Marking Guide
- Obtain orienteering and sampling skills
- Although it is not required, it is encouraged that you obtain skills through a diploma, other education in forestry, or on–the-job tree marking training.
- Explore the free online tree marking modules here, or on the Learning Compass website
Preparation for Level 2 Course:
- Complete Level 1 course successfully (mandatory)
- Have 5 seasons of experience in operational tree marking
- Learn skills in tree marking quality assurance
Preparation for Refresher Course:
- Hold a Level 1 or 2 Certificate
Those with an interest in tree marking can participate in a local refresher course but will not receive a certificate.