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Table 7 Spearman rank correlation coefficients reflecting the sensitivity of the second principal component (PC2) 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 0.367 0.156 0.544* −0.032 −0.233 − 0.286 −0.018
2. MDR 0.736* −0.324 − 0.352 0.357 − 0.664* −0.112 − 0.294
3. ISO 0.110 0.731* 0.082 0.713* 0.028 −0.161 −0.294
4. TSCV 0.643* 0.566* 0.275 0.552* 0.531* 0.182 0.119
5. TWP 0.780* −0.368 − 0.390 0.343 − 0.580* −0.210 − 0.280
6. TCP −0.121 0.137 0.258 −0.238 0.699* − 0.280 −0.119
7. TAR 0.391 0.361 0.014 −0.404 0.758* 0.175 0.109
8. TWetQ 0.182 0.776* 0.116 0.637* 0.077 −0.042 − 0.249
9. TDQ 0.654* 0.505* 0.308 0.517* 0.531* 0.182 0.119
10.TWarmQ 0.819* 0.066 0.418 0.042 0.531* 0.385 0.427
11.TCQ 0.725* 0.335 0.643* 0.035 0.182 0.594* 0.273
12.AP 0.725* −0.082 0.346 0.091 0.636* 0.322 0.441
13.PWP 0.709* 0.198 0.637* 0.077 0.175 0.622* 0.273
14.PDP 0.676* −0.088 0.291 0.091 0.692* 0.273 0.427
15.PSCV 0.654* 0.330 0.637* −0.07 −0.182 0.524* −0.035
16.PWetQ 0.714* −0.038 0.357 0.056 0.678* 0.210 0.427
17.PDQ −0.388 − 0.721* −0.165 0.630* −0.326 − 0.130 0.186
18.PWarmQ 0.470 0.580* 0.193 −0.476 0.580* 0.217 0.028
19.PCQ 0.484 0.659* 0.203 0.545* 0.448 0.259 −0.091
  1. Note: Full name and definitions of bioclimatic parameters are presented in Table 3. Significant Spearman rank correlation coefficients are indicated with an asterisk and bold font