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All issues Volume 66 / No 3 (April-May 2009) Ann. For. Sci., 66 3 (2009) 308 Full HTML
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Table I

P values of paired t tests (N = 32) comparing means of % Visual Crown Transparency or % Visual Crown Discoloration (in italic) of poplar trees calculated with different combinations of one, two or three sub-plots per stand, after angular transformation (arcsin√ (x)).

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Numbers in lines and columns indicate sub-plot numbers and combinations. Light grey cells indicate inappropriate comparisons, those in which the two compared tree samples were not independent (i.e. sharing common trees).