Species% = | rating of the species’ longevity, maintenance requirements, and adaptability to the local growing environment (Council of Tree & Landscape Appraisers 2000). A higher percentage indicates a more appropriate species choice. |
Condition% = | rating of structural integrity and health; a higher percentage indicates better condition (Council of Tree & Landscape Appraisers 2000). |
Location% = | rating of the site itself (relative market value), contribution of the tree in terms of its aesthetic and functional attributes, and placement, which reflects the effectiveness of realizing benefits; location is the sum of site, contribution, and placement divided by three. A higher percentage indicates better location. |
TAA = | trunk area of appraised tree (cm2). |
TAR = | trunk area of replacement tree (cm2). |
Unit Cost = | cost of the largest available transplantable tree divided by TAR ($/cm2). |
Installed Cost = | sum of the cost of the replacement tree (of size TAR) and its installation. |