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Table 4 Pearson Product-Moment coefficients for correlation analysis by site between fecal coliforms and biological and environmental parameters

From: Microbial contamination and chemical toxicity of the Rio Grande

 

Site 1

Site 2

Site 3

Site 5

Site 6

Site 7

Chemical Toxicity

0.2158

0.1242

0.1972

-0.0175

-0.2365

0.0644

 

0.213

0.4772

0.2634

0.9217

0.1851

0.7174

 

35

35

34

34

33

34

Total Coliform

0.5844

0.3486

0.51221

0.393

0.5991

0.5132

 

0.0002**

0.0401**

0.002**

0.0215**

0.0002**

0.0019**

 

35

35

34

34

33

34

E. coli

0.6779

0.7753

0.61

0.6001

0.3386

0.8466

 

0.0055**

0.0011**

0.0205**

0.0391**

0.3083

0.0001**

 

15

14

14

12

11

14

H. pylori

-0.0065

-0.3487

-0.1881

0.00052

0.0623

-0.1777

 

0.9752

0.0875

0.3679

0.998

0.7724

0.3952

 

25

25

25

26

24

25

Specific Conductivity

0.0943

0.2294

0.0607

-0.4797

-0.4706

0.03

 

0.6468

0.2497

0.7633

0.0113**

0.0234**

0.8843

 

26

27

27

27

23

26

pH

0.3704

-0.1124

-0.2436

0.1451

0.0527

0.0942

 

0.0624

0.5764

0.2206

0.47

0.811

0.6469

 

26

27

27

27

23

26

Temperature

-0.1215

-0.0054

0.0882

0.4589

0.4981

-0.2452

 

0.5714

0.9771

0.6429

0.0107**

0.0113**

0.2083

 

24

30

30

30

25

28

  1. Values are Pearson Correlation Coefficients/Probability |R| under Ho: Rho = O/Number of observations. ** Probability of 95% of greater level of significance