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VOL. 11, ISSUE 2 (2026)
Preliminary studies on water quality and zooplankton composition in Magadi Lake, Chikkamagaluru District, Karnataka, India
Authors
Annapoorneshwari H, Parimala B, Chitra J
Abstract
The aim of the present study was to analyse the Physico chemical
parameters and composition of zooplankton and to evaluate relationship between
Physico chemical parameters and zooplankton diversity in Magadi Lake,
Chikkamagaluru district. Water samples were collected monthly basis at 6.00 to
7.00 a.m. from the selected study sites over one-year period between June 2024
and May 2025. Physicochemical parameters were analysed in the laboratory as
described in the APHA, 2005. Zooplankton samples were collected using plankton
net and the samples were preserved in 4% formalin solution. Zooplankton samples
were identified with the help of standard identification keys (Needham and
Needham, 1962, Edmondson, 1966). During the study period, a total of 29 species
of zooplankton belonging to 24 genera were recorded, Cladocera was
represented by 13 genera including 14 species, Rotifera having 5 genera
with 8 species, Copepoda having 3 genera with 3 species, Protozoa
having 2 genera with 3 species and Ostracoda represented by single genus
with single species.From the above investigation, it may be concluded that the
values of different physico-chemical parameters are within the permissible
limits creating favourable environmental conditions for zooplankton growth and
development.
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Pages:535-540
How to cite this article:
Annapoorneshwari H, Parimala B, Chitra J "Preliminary studies on water quality and zooplankton composition in Magadi Lake, Chikkamagaluru District, Karnataka, India". International Journal of Entomology Research, Vol 11, Issue 2, 2026, Pages 535-540
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