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Table 1 Pearson correlation matrix of the morphometric, colour and biochemical parameters.

From: Image and fractal analysis as a tool for evaluating salinity growth response between two Salicornia europaea populations

Variables Projected area (A) Branch num (B) Shoot diam (S) Height (H) Proline (P) Hydrogen Peroxide (HP) Chlorophyll a (Cha) Chlorophyll b (Chb) Total Chlorophyll (TC) Carotenoids (C) Fractal dimension (FD) Colour difference (ΔE)
A 1            
B 0.733 1           
S −0.170 −0.415 1          
H 0.880 0.719 −0.530 1         
P −0.159 −0.194 0.840 −0.486 1        
HP −0.608 −0.629 0.461 −0.618 0.162 1       
Cha 0.141 0.289 −0.824 0.455 −0.673 − 0.313 1      
Chb −0.168 0.178 −0.736 0.221 −0.520 −0.424 0.682 1     
TC 0.036 0.271 −0.858 0.404 −0.670 − 0.380 0.962 0.857 1    
C 0.034 0.444 −0.562 0.269 −0.198 − 0.652 0.513 0.876 0.691 1   
FD 0.655 0.611 0.078 0.443 0.210 −0.769 −0.234 0.005 −0.163 0.370 1  
ΔE −0.116 −0.470 0.716 −0.264 0.348 0.714 −0.687 −0.702 − 0.748 −0.777 − 0.265 1
  1. Values in bold indicate significance value (except diagonal) at a level of significance α=0.05