Table 8 Pearson correlation coefficients among heavy metals of sediments from study area.

From: Heavy metal concentrations and pollution indicators in the Ennore ecosystem, east coast of Tamilnadu, India using atomic absorption spectrometry study with statistical approach

Variables

Mg

Al

Si

K

Ca

Ti

Fe

V

Cr

Mn

Co

Ni

Cu

Zn

As

Cd

Ba

Mg

1

                

Al

0.756

1

               

Si

− 0.437

− 0.271

1

              

K

− 0.330

− 0.166

0.239

1

             

Ca

0.570

0.530

− 0.223

− 0.533

1

            

Ti

0.388

0.212

0.017

− 0.519

0.339

1

           

Fe

0.587

0.418

− 0.060

− 0.669

0.655

0.907

1

          

V

0.422

0.253

0.016

− 0.598

0.432

0.984

0.946

1

         

Cr

0.710

0.459

− 0.217

− 0.682

0.647

0.832

0.938

0.867

1

        

Mn

0.432

0.272

− 0.003

− 0.623

0.670

0.881

0.940

0.904

0.845

1

       

Co

0.361

0.227

− 0.021

− 0.647

0.648

0.808

0.873

0.843

0.831

0.920

1

      

Ni

0.502

0.372

− 0.279

− 0.480

0.828

0.504

0.707

0.561

0.759

0.694

0.757

1

     

Cu

0.297

0.298

− 0.016

− 0.135

0.429

0.249

0.392

0.307

0.326

0.389

0.428

0.342

1

    

Zn

0.558

0.374

− 0.069

− 0.574

0.731

0.842

0.944

0.887

0.896

0.930

0.878

0.784

0.423

1

   

As

0.216

0.196

0.432

− 0.139

0.166

0.631

0.588

0.660

0.505

0.504

0.501

0.303

0.282

0.567

1

  

Cd

0.018

− 0.079

− 0.252

0.146

− 0.302

− 0.217

− 0.299

− 0.251

− 0.250

− 0.285

− 0.290

− 0.416

− 0.323

− 0.335

− 0.361

1

 

Ba

− 0.463

− 0.290

0.334

0.780

− 0.729

− 0.615

− 0.810

− 0.691

− 0.772

− 0.783

− 0.755

− 0.702

− 0.445

− 0.751

− 0.206

0.136

1

  1. Significant values are in [bold].
  2. **Correlation is significant at the 0.01 level (2-tailed).
  3. *Correlation is significant at the 0.05 level (2-tailed).