White Pine Decline in Maine - The University of Maine - School of ...
White Pine Decline in Maine - The University of Maine - School of ...
White Pine Decline in Maine - The University of Maine - School of ...
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Quanify<strong>in</strong>g Increment Growth Trends:<br />
t-score and Percent <strong>Decl<strong>in</strong>e</strong><br />
• Percent <strong>Decl<strong>in</strong>e</strong><br />
(PD) is<br />
100 X (Initial_BAI-<br />
Narrowest_BAI)/<br />
Initial_BAI.<br />
• Related to %HWA<br />
<strong>in</strong>festation (r=0.77)<br />
• Related to CDR<br />
(r=0.86)<br />
• Not related to years<br />
<strong>of</strong> <strong>in</strong>festation<br />
(r=0.47)<br />
BAI<br />
t-score<br />
BAI<br />
(3 Year Runn<strong>in</strong>g Means)<br />
5 10 15 20 25 30<br />
-2 0 2 4 6 8 10<br />
5 10 15 20 25<br />
3 year w<strong>in</strong>dows<br />
used to calculate<br />
t-scores<br />
1985 1990 1995 2000 2005<br />
1985 1990 1995 2000 2005<br />
Bavg<br />
Tmax<br />
1985 1990 1995 2000 2005<br />
year<br />
year<br />
Bm<strong>in</strong><br />
Rmax
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