Tree Inventory and Monitoring

There are many kinds of inventories, yet none can be pointed to as being universally correct. In fact, the objectives of the tree inventory define what data need to be collected, and the ways in which it will be collected, recorded and analyzed. The extent and detail of the data will determine the cost of the inventory and its usefulness. For example, collecting information on one problem or only on tree condition provides minimal data, but the inventory can be completed quickly. A detailed survey provides more information and flexibility in the broader use of the inventory for stewardship of the urban forest.

The Neighbourwoods approach to inventorying and monitoring trees provides for the collection of accurate information with multiple uses. Standardized data collection and recording ensure that the information is meaningful and relevant.  As a volunteer-based protocol, the Neighbourwoods inventory approach has been developed to minimize bias among surveyors in the measurement of trees and their structural and health condition.  Not only does this provide a cost-effective approach to gaining critical information about the trees in a neighbourhood forest, it also provides a vital hands-on mechanism for community engagement.
The inventory data can be grouped according to:
• Tree location and growing site characteristics;
• Tree Species;
• Tree Size; and
• Tree condition (health and structure)




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