Tree preservation involves the protection and maintenance of existing trees, particularly those that are significant due to their size, age, species, or historical or ecological value. Effective practices such as proper pruning, watering, fertilization, and pest management are essential for maintaining tree health and longevity. Additionally, protecting trees during construction is crucial to prevent damage; this can be achieved through the use of barriers and careful excavation techniques. The primary goal of tree preservation is to ensure that trees continue to provide their environmental, social, and economic benefits for current and future generations. 

The ISA Tree Risk Assessment Qualification (ISA TRAQ) is a voluntary qualification program designed to train and assess candidates in the specialized field of arboriculture. When a professional earns the ISA TRAQ credential, they are recognized by their peers and the public as a tree care professional who has specialized knowledge in tree risk assessment. To earn the qualification, eligible candidates must complete a training course, and pass both a comprehensive written assessment and a performance-based assessment. To maintain the qualification, current credential holders must retrain and retest every five years.

The fundamental objective of a tree management plan is to ensure the tree or trees are retained and protected, whilst ensuring the health, safety, and well-being of the public and any adjacent properties. Tree management plans allow individuals to take complete control of the trees on-site, or around a domestic building. The plan includes a comprehensive survey on the health and safety of the tree. It also lists additional work that might be required, planned routine maintenance, future tree removals and planting locations. The thorough nature of a tree management plan means that you can avoid tree-related issues and future spending on problems that would arise without a tree management plan in place.