Relationship between Temperature, Turbidity, Ph, Conductivity on Coliform Bacteria, Fecal Coliform Bacteria in Shallow Pond

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Vichit Rangpan, Nariman Nira

Résumé

There were 15 samples of water were collected for six months of the period. There are two seasons. The physical water quality found that the maximum temperature during the rainy season and the hot season was 27.73 and 27.41 ºC. The highest average of pH in rainy and hot seasons was 7.13 and 7.14 respectively. The maximum mean of conductivity in rainy and hot seasons was 76.28 μS/cm and 96.32 μS/cm respectively. The highest mean of turbidity in the rainy season and the hot season was 8.01 NTU and 6.98 NTU. The study of the contamination of coliform bacteria and fecal coliforms was at the highest level in the rainy season and the hot season was 3.16 MPN/100mL and 2.0 MPN/100mL respectively. The highest average of fecal coliform values during the rainy season and the hot season was 2.28 MPN/100mL and 1.55 MPN/100mL. The effect of land use that the water quality in the area used for animal husbandry was at the highest level at 4.46 MPN/100mL in fecal coliforms compared to the water quality in the utilization of agricultural area and housing. Multiple regression analysis using the stepwise method found that the correlation coefficient between pH and conductivity with fecal coliform bacteria was significant at the maximum level of 0.05.

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