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Table 7 Correlation coefficient between 6 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

 

PL

LW

LA

LP

LTWR

SLDW

LON

0.169

0.175*

0.199*

0.057

0.011

0.322**

LON (Control 1)

0.182

0.011

0.018

-0.084

0.016

-0.030

LON (Control 2)

0.095

-0.010

-0.036

-0.109

-0.017

0.306**

LON (Control 1 and 2)

-0.097

-0.110

-0.180

-0.266

-0.175

0.020

LAT

0.008

-0.217*

-0.240**

-0.167

0.060

0.197*

LAT (Control 1)

-0.183

-0.024

-0.047

0.066

-0.022

-0.007

LAT (Control 2)

0.085

-0.062

-0.066

0.006

0.126

0.284**

LAT (Control 1 and 2)

-0.106

-0.034

-0.070

-0.055

-0.018

-0.153

AL

-0.007

-0.357**

-0.354**

-0.204*

0.141

-0.207*

AL (Control 1)

0.059

-0.087

-0.060

-0.187*

0.010

0.097

AL (Control 2)

0.095

-0.305**

-0.262**

-0.141

0.223

-0.131

AL (Control 1 and 2)

0.097

-0.104

-0.064

-0.124

0.086

0.144

  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), petiole length (PL), leaf width (LW), leaf area (LA), leaf perimeter (LP), length to width ratio of leaf (LTWR), specific leaf dry weight (SLDW)