International Journal For Multidisciplinary Research

E-ISSN: 2582-2160   •   Impact Factor: 9.24

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Phytoplankton Composition and Diversity of Yerra Cheruvu,siddipet District of Telangana

Author(s) Dr. Rani Kommidi
Country India
Abstract Phytoplankton is microscopic autotrophic organisms that play a fundamental role in aquatic ecosystems by contributing to primary productivity and acting as bioindicators of water quality. The present investigation was carried out to assess the phytoplankton composition and diversity of Yerra Cheruvu, a freshwater lake located in Siddipet District, Telangana, India. Water samples were collected during the post-monsoon period (December 2023–January 2024) from selected sampling stations.
Phytoplankton samples were collected using plankton net (20–45 µm mesh size), preserved in 4% formalin, and analyzed microscopically using standard taxonomic keys. A total of 10 species belonging to four major groups—Chlorophyceae, Bacillariophyceae, Cyanophyceae, and Euglenophyceae—were identified. Chlorophyceae was the dominant group, particularly members of Zygnematales such as Spirogyra. The presence of cyanobacteria, including Oscillatoria and Nostoc, indicates nutrient enrichment and possible early stages of eutrophication.
Qualitative interpretation of diversity indices suggests that the lake is in a mesotrophic to early eutrophic condition. The study demonstrates that phytoplankton communities can effectively reflect ecological status and provides baseline data for future monitoring and conservation of freshwater ecosystems.
Keywords Phytoplankton, Biodiversity, Eutrophication, Bioindicators, Freshwater Lake, Telangana
Field Biology > Agriculture / Botany
Published In Volume 8, Issue 2, March-April 2026
Published On 2026-04-09
DOI https://doi.org/10.36948/ijfmr.2026.v08i02.74098
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