Abstract
The quality of water is identified in terms of its physical, chemical and biological parameters.Limnological features of two such temple ponds, the Cherukulangara temple pond and Aryanambi temple pond were undertaken in the present study. The biological parameters of the ponds were also made during the study. In the present investigation all the parameters showed higher values in Pond B compared to Pond A. All values are found to be within or less than the permissible limit. Both ponds showed an oligotrophic nature with the presence of poor nutrients and low vegetation. Both ponds are unpolluted fresh water bodies which have no chemical or sewage pollution. It is suggested that the higher authorities should take steps to maintain the quality of fresh water bodies including ponds from all kinds of pollution and balance the fresh water ecosystem.
Highlights
Water performs unique and indispensible activities in earth ecosystem, biosphere and biogeochemical cycles.Approximately 70% of the water in India has become polluted due to the discharge of domestic sewage and industrial effluents into natural water source, such as rivers, streams as well as lakes (Sangu and Sharma,1987).The quality of water is described by its physical, chemical and biological characteristics
During experimental period (November 2012 to February 2013), the environmental temperature ranged between 25°C and 32°C in pond A and in pond B, it was between 26°C and 33°C in pond B.The highest air and water temperature value (33°C and 25°C) was recorded in February in pond B and the lowest air and water temperature value (25°C and 19°C) was recorded in pond A in December
The maximum pH value was recorded 8.0 ± 0 in Pond B during December and minimum value was recorded 6.33 ± 0.29 in Pond A during November.In the present investigation the pH values were maximum during December and minimum during November
Summary
Water performs unique and indispensible activities in earth ecosystem, biosphere and biogeochemical cycles.Approximately 70% of the water in India has become polluted due to the discharge of domestic sewage and industrial effluents into natural water source, such as rivers, streams as well as lakes (Sangu and Sharma,1987).The quality of water is described by its physical, chemical and biological characteristics. It is observed that DO values was more in December followed by January, November and less value was found in February in both the ponds. The lowest value (2.75 ± 0.421 mg/L) of free carbon dioxide was recorded in the surface water of Pond A in December month (winter season) where as the highest value (14.41 ± 0.751 mg/L) was observed in the bottom water of Pond B during the period of January (pre summer season).
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