Learn to observe a tree’s health and structure. Understand how the biological drivers of decline and the physical elements of tree structure impact each other. Students will learn the fundamental principles of disease, types of disease, and the impacts of injury and abiotic factors on tree health and structure. Class will break for 30-minute lunch. This course is approved for the following ISA credits: Certified Arborist – 6.0, BCMA Science – 6.0.