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Table 3 Correlations coefficient between different water quality parameters in the examined pond with or without probiotic

From: Influence of probiotics on water quality in intensified Litopenaeus vannamei ponds under minimum-water exchange

Parameters

Total Vibrio log (CFU mL−1)

Temperature (ºC)

Dissolved oxygen (mg L−1)

pH

Salinity (g L−1)

Organic matter (mg L−1)

NH3 (mg L−1)

 

Probiotics

− 0.622**

0.074

0.536**

− 0.452**

0.008

− 0.451**

− 0.472**

Total Vibrio log (CFU mL−1)

− 0.688**

1

0.132

− 0.348**

0.537**

− 0.324**

0.269**

0.511**

Temperature (ºC)

0.040

0.127

1

− 0.066

0.028

0.031

− 0.384**

0.021

Dissolved oxygen (mg L−1)

0.708**

− 0.480**

− 0.057

1

− 0.354**

0.304**

− 0.373**

− 0.604**

pH

− 0.289**

0.472**

0.025

− 0.180*

1

− 0.584**

0.301**

0.527**

Salinity (g L−1)

− 0.049

− 0.262**

0.034

0.253**

− 0.612**

1

− 0.070

− 0.549**

Organic matter (mg L−1)

− 0.037

0.116

− 0.447**

0.154*

0.098

− 0.070

1

0.129

NH3 (mg L−1)

− 0.498**

0.554**

0.032

− 0.659**

0.476**

− 0.511**

− 0.086

1

Control (non treated ponds)

 Total Vibrio log (CFU mL−1)

1

0.255**

− 0.112

0.424**

− 0.431**

0.055

0.315**

 Temperature (ºC)

 

1

− 0.056

0.039

0.031

− 0.488**

0.062

 Dissolved oxygen (mg L−1)

  

1

0.033

0.545**

0.048

− 0.651**

 pH

   

1

− 0.677**

0.062

0.405**

 Salinity (g L−1)

    

1

− 0.085

− 0.621-**

 Organic matter (mg L−1)

     

1

− 0.156

 NH3 (mg L−1)

     

− 0.156

1

  1. Probiotics: upper diagonal represents single spp. and lower one represents multi spp.
  2. *Correlation is significant at the 0.05 level (2-tailed)
  3. **Correlation is significant at the 0.01 level (2-tailed)