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Table 6 Correlation coefficients (r values) of cone, seed, and pine nut variables of the five P. pinea natural populations across Turkey

From: Effects of geoclimatic factors on the variability in Pinus pinea cone, seed, and seedling traits in Turkey native habitats

  CW CL CD SN SW SL SD SY ES PN PW PY
CW 1 0.849** 0.885** 0.748** 0.616** 0.765** 0.417** 0.527** − 0.412** 0.646** 0.369** 0.455**
CL   1 0.786** 0.626** 0.590** 0.720** 0.409** 0.504** − 0.390** 0.547** 0.379** 0.448**
CD    1 0.743** 0.707** 0.840** 0.533** 0.660** − 0.334** 0.593** 0.303** 0.433**
SN     1 0.335** 0.651** 0.076 0.880** − 0.414** 0.834** 0.176** 0.617**
SW      1 0.866** 0.921** 0.472** − 0.055 0.188** 0.276** 0.109
SL       1 0.672** 0.706** − 0.235** 0.488** 0.292** 0.354**
SD        1 0.241** 0.064 − 0.024 0.220** − 0.046
SY         1 − 0.269** 0.667** 0.117 0.529**
ES          1 − 0.796** − 0.241** − 0.755**
PN           1 0.209** 0.826**
PW            1 0.568**
PY             1
  1. * and ** stating significant differences at 0.05 and 0.01 levels, respectively. For abbreviations, please see Table 2
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