Microbial contamination and chemical toxicity of the Rio Grande

BMC Microbiology

Table 3 Overall Pearson Product-Moment coefficients for correlation analysis between biological and environmental parameters.

	Fecal Coliform	Total Coliform	E. coli	H. pylori	Specific Conductivity	pH	Temperature	Dissolved Oxygen
Chemical Toxicity	0.0601	0.1637	-0.1001	-0.0454	0.2076	-0.0599	-0.4046	0.0634
	0.3915	0.0208**	0.3769	0.581	0.0093**	0.4576	0.0001**	0.4197
	205	208	80	150	156	156	167	164
Fecal Coliform		0.53	0.6631	-0.0782	0.0247	0.0271	0.0558	-0.1368
		0.0001**	0.0001**	0.341	0.7595	0.7364	0.4734	0.0806
		205	80	150	156	156	167	164
Total Coliform			0.7502	0.0686	0.0653	0.0273	-0.2156	0.0168
			0.0001**	0.4039	0.4179	0.7352	0.0051**	0.8304
			80	150	156	156	167	164
*E. coli*				-0.0863	0.2314	-0.3289	-0.01625	-0.3455
				0.4707	0.1134	0.0224**	0.9054	0.0079**
				72	48	48	56	58
*H. pylori*					0.0269	0.1627	0.0291	-0.0802
					0.7769	0.085	0.7456	0.3775
					113	113	126	123
Specific Conductivity						-0.3106	-0.4432	0.1106
						0.0001**	0.0001**	0.1822
						157	146	147
pH							0.1713	0.221
							0.0387**	0.0071**
							146	147
Temperature								-0.4047
								0.0001**
								162

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

ISSN: 1471-2180