Comparative Limnological Studies of Barali Lake Hurda And Anasagar Lake Ajmer with Reference to Planktonic Population Dynamics

  • Arpita Vijayvergiya Govt. College Ajmer, Rajasthan, INDIA
  • Reena Vyas Govt. College Ajmer, Rajasthan, INDIA
  • Mriganka Upadhyay Govt. College Ajmer, Rajasthan, INDIA

Abstract

Physiochemical study are summarized in Table- 1 and 2. Air temperature varied between 28oC in winter to 35oC in summer 2015-16 and between 26oC in winter to 38oC in summer 2016-17. Water temperature was observed to be highest during summer 2016-17 (27o C) and lowest during winter 2015-16 (17oC). The overall average value of air and water temperature was 36oC and 27.3oC respectively. A good synchronization between temperature and dissolved oxygen was seen. Temperature showed a significant inverse relationship with dissolved oxygen. Such an inverse relationship has also been observed in monsoon 2015-16 and 2016-17. pH fluctuated between 6.9 to 8.5. The minimum pH was recorded in monsoon 2015-16 and 2016-17 which was mainly attributed to rain water after a long dry period, and maximum pH was recorded during summer 2015-16 and 2016-17. According to the study, Anasagar lake was characterized by low levels of dissolved oxygen with average value of 7.1mg/l. The highest oxygen value of 8.5mg/l was observed in winter season of 2015-16 and 2016-17. The peak value during winter was also observed. Dissolved oxygen shows a significant negative relation with temperature, alkalinity, total hardness, electrical conductance, nitrate, phosphate, chloride, silicate and respiration. The observed high value of dissolved oxygen in winter due to the high solubility at low temperature and less degradation of organic matter. During the study, the highest value of total alkalinity was in summer 2015-16 and 2016-17 (590mg/l) and lowest value was observed in winter 2005-06 (410mg/l). Total alkalinity shows a positive relationship with temperature, pH, total hardness, TDS, conductivity, chloride and nitrate. The average value of total hardness during the study was lowest value of 315 mg/l in 2015-16 and 2016-17 and highest value of 375mg/l in 2006-07.


Keywords: TDS, Alkalinity, Hardness.

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1.
Vijayvergiya A, Vyas R, Upadhyay M. Comparative Limnological Studies of Barali Lake Hurda And Anasagar Lake Ajmer with Reference to Planktonic Population Dynamics. JDDT [Internet]. 11Nov.2019 [cited 18Jun.2021];9(4-s):996-`1000. Available from: https://jddtonline.info/index.php/jddt/article/view/3711