Table 6 Correlation between phenotypic traits, physicochemical traits and environmental factors

0.581*

0.573*

0.434*

0.426*

0.421*

0.344*

0.433*

0.425*

0.302*

− 0.118

− 0.114

− 0.061

0.239*

0.223

0.002

− 0.06

− 0.069

− 0.183

0.266*

0.26*

0.175

0.436*

0.455*

0.333*

− 0.389*

− 0.392*

− 0.42*

− 0.302*

− 0.299*

− 0.25*

0.216

0.234*

0.456*

− 0.295*

− 0.286*

− 0.159

0.85*

0.749*

0.664*

− 0.875*

− 0.706*

− 0.83*

0.815*

0.585*

0.829*

− 0.068

0.223

0.026

− 0.063

0.004

0.044

0.01

− 0.228

0.055

− 0.211

0.074

− 0.255

− 0.521*

0.285

0.664

− 0.638*

− 0.799*

− 0.794*

− 0.454

− 0.272

− 0.466*

0.539*

0.419

0.552*

− 0.501*

− 0.257

− 0.481*