ATHIAtlantic Tourism and Hospitality Institute (Prince Edward Island; Canada)
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3) correctly places 37 of the 45 (82 percent) trees into one of the three ATHI classes where light transmission is the dependent variable and epicormics shoots and exit holes are independent.
All trees classified by the ATHI as having intermediate (1020) or poor (>20) health had a reduction in growth beginning in the 2004 growing season.
The ATHI classes are generally related to the year of initial growth decline.
Pearson correlation analysis revealed that each of the three variables of the ATHI (light transmission, epicormic branching, exit holes) were positively correlated to each other, especially on the Bellevue trees.