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Table 6 Spearman rank correlation coefficients reflecting the sensitivity of the first principal component (PC1) loadings of the provenances at each test site with bioclimatic parameters of provenance origin location

From: Dendroclimatic analysis of white pine (Pinus strobus L.) using long-term provenance test sites across eastern North America

Bioclimatic parameter Wabeno, WI Manistique, MI Pine River, MI Newaygo, MI Turkey Point, ON Ganaraska, ON Orono, ME
1. AMT − 0.281 −0.067 − 0.528* − 0.187 0.286 0.240 0.028
2. MDR 0.209 0.363 0.456 −0.203 0.734* 0.112 0.315
3. ISO −0.429 0.764* − 0.154 0.441 − 0.154 0.105 0.252
4. TSCV −0.270 0.582* − 0.396 0.308 − 0.650* −0.196 − 0.161
5. TWP 0.168 0.418 0.478 −0.182 0.664* 0.203 0.308
6. TCP 0.080 − 0.236 −0.099 0.182 0.629* 0.301 0.091
7. TAR −0.269 − 0.347 − 0.190 0.260 − 0.856* −0.225 − 0.140
8. TWetQ −0.427 − 0.768* − 0.195 0.298 − 0.182 − 0.014 0.221
9. TDQ − 0.275 − 0.538* − 0.412 0.287 − 0.650* −0.196 − 0.161
10. TWarmQ −0.179 − 0.044 − 0.462 − 0.168 0.573* − 0.350 − 0.427
11. TCQ 0.033 −0.286 0.648* − 0.266 −0.175 − 0.524* −0.287
12. AP −0.176 0.088 −0.407 −0.147 − 0.657* −0.287 − 0.441
13. PWP 0.052 −0.121 0.637* − 0.301 −0.189 − 0.566* −0.308
14. PDP −0.234 0.099 −0.363 −0.147 − 0.713* −0.245 − 0.420
15. PSCV 0.003 −0.341 0.566* − 0.119 0.140 − 0.462 −0.014
16. PWetQ −0.264 0.033 −0.418 −0.140 − 0.713* −0.189 − 0.413
17. PDQ 0.444 0.781* 0.242 −0.329 0.452 0.144 −0.161
18. PWarmQ −0.412 0.569* − 0.344 0.210 − 0.706* −0.252 − 0.056
19. PCQ −0.327 − 0.692* −0.313 0.266 0.587* − 0.280 0.056
  1. Note: Full name and definitions of bioclimatic parameters are presented in Table 3. Significant Spearman rank correlation coefficients are highlighted with an asterisk and bold font