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Table 8 Correlation coefficient between 5 leaf traits and geographical factors after controlling climate factors

From: Leaf phenotypic variation and its response to environmental factors in natural populations of Eucommia ulmoides

 

LL

RC

BC

GC

CRV

LON

0.186*

0.029

-0.005

0.150

0.018

LON (Control 1)

0.030

-0.068

-0.140

-0.082

-0.151

LON (Control 2)

-0.007

-0.373

-0.363

-0.371

-0.036

LON (Control 1 and 2)

-0.241

-0.100

-0.218

-0.150

-0.023

LAT

-0.155

-0.296**

-0.240**

-0.326**

-0.168

LAT (Control 1)

-0.033

-0.040

-0.006

-0.043

0.135

LAT (Control 2)

0.066

-0.151

-0.191

-0.077

-0.009

LAT (Control 1 and 2)

-0.052

0.074

0.021

0.046

-0.110

ALT

-0.242**

-0.108

-0.099

-0.250**

-0.156

ALT (Control 1)

-0.094

0.136

0.087

0.097

-0.118

ALT (Control 2)

-0.128

0.123

0.091

0.035

-0.129

ALT (Control 1 and 2)

-0.026

0.017

-0.039

-0.042

-0.052

  1. ** means p < 0.01, * means p < 0.05, LON: longitude, LAT: latitude, ALT: altitude, 1: temperature-related factors (BIO1, BIO2, BIO3, BIO7, BIO8, BIO9), 2: Precipitation related factors (BIO16, BIO18, BIO19), leaf length (LL)red component of leaf (RC), blue component of leaf (BC), green component of leaf (GC), chlorophyll reference value (CRV)