Influence of Seasonal Variations on Physicochemical Parameters of a Freshwater Ecosystem -Valiyakulam Pond Thiruvananthapuram, Kerala, India


Published: 2023-09-04

DOI: 10.56557/upjoz/2023/v44i193627

Page: 136-152

I. V. Kumari Vidya

P.G. Department of Zoology, M. G. College, Thiruvananthapuram, India.

R. Ashadevi *

Department of Zoology, H. H. M. S. P. B. N. S. S. College for Women, Neeramankara, Thiruvananthapuram, India.

S. K. Santosh

Department of Zoology, University College, Thiruvananthapuram, India.

*Author to whom correspondence should be addressed.


The present study deals with the water quality assessment of surface water from Valiakulam pond for a period of one year. The physico chemical parameters of water samples were analyzed based on standard laboratory procedures.. The present study aimed to analyze the influence of seasonal variations on physicochemical parameters of pond water. The parameters of water such as temperature, PH, transparency, turbidity, conductivity, hardness, alkalinity, Dissolved Oxygen (DO), Biological Oxygen Demand (BOD), Chemical Oxygen Demand (COD) and free carbon dioxide (CO2) were studied from four stations of the pond. Results of the data were subjected for statistical analysis such as correlation and two way ANOVA with post hoc test. The results of ANOVA showed significant difference in all the twelve physicochemical parameters between the seasons and no significant difference was observed between study sites (P<0.05). The analysis of  post hoc test in the form of Tukey also showed the same pattern. The results of the study concluded that the physicochemical parameters of pond water can be used for domestic propose. The results of the study may become useful data for productive water resource utilization in future.

Keywords: Water quality, physicochemical parameters, valiakulam pond, BOD, COD, alkalinity, dissolved oxygen

How to Cite

Vidya, I. V. K., Ashadevi, R., & Santosh, S. K. (2023). Influence of Seasonal Variations on Physicochemical Parameters of a Freshwater Ecosystem -Valiyakulam Pond Thiruvananthapuram, Kerala, India. UTTAR PRADESH JOURNAL OF ZOOLOGY, 44(19), 136–152.


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