The Impacts of Physico-chemical Parameters on Copepod's Population, Recorded From Jallo Lake, Lahore, Punjab, Pakistan
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Abstract
Zooplanktons are a very important part of a water reservoir. They are a link between producers and consumers. Although there are many types of zooplanktons, copepods are very important as they are bio-indicator of the eutrophic condition of a water reservoir. The present study studied the spatio-temporal dispersal of copepods at Jallo Lake Wildlife Park, Lahore. A total of ten species belonging to seven orders, including naupliuslarvae, were identified. The physicochemical parameters were observed, i.e., water and air temperature, oxygen saturation, pH, transparency, dissolved oxygen and conductivity. ANOVA was applied to all the physicochemical parameters. It was highly significant for all parameters (P= 0.000, α = 0.05) except for the transparency. Copepod diversity and density were at their peak in June. Pearson correlation was applied between the physicochemical parameters and copepods. Air temperature, water temperature, and conductivity were positively correlated, whereas dissolved oxygen, oxygen saturation, transparency, and pH were negatively correlated. The quantity of the Shannon Weaver index and Simpson index was studied and calculated every month, showing fluctuations during the study period. The results revealed that Diacyclops thomasiand Naupliuslarvae were the most abundant species.
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Pakistan Journal Emerging Science and Technologies (PJEST) in collaboration with Govt. Islamia Graduate College Civil Lines Lahore, Pakistan is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.
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