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VOL. 8, ISSUE 1 (2026)
Physicochemical characterization of Jamnagar district lakes and its correlation with aquatic biodiversity
Authors
Milind M Nandotriya, Dr. Hiral Suthar, Dr. Minaxi Sharma, Dr. Kiran Prajapati
Abstract
Lakes within the semi-arid Jamnagar district are vital for regional water security and biodiversity, yet integrated studies linking water quality to biological communities are lacking. This study provides a comprehensive seasonal assessment (April 2024-March 2025) of four lakes subjected to varying anthropogenic pressures. Key physicochemical parameters—including pH, dissolved oxygen, nutrients, turbidity, total dissolved solids (TDS), electrical conductivity (EC), and iron were analysed to compute a Water Quality Index (WQI) and evaluate implications for aquatic biota. Results, benchmarked against WHO and BIS standards, indicate that while most parameters were within acceptable limits, elevated turbidity, TDS, EC, and localized iron contamination were prevalent. One site was notably degraded, with iron concentrations exceeding safe thresholds. Computed WQI values ranged from 63.8 to 81.9, classifying the water as "poor" to "very poor" and ecologically compromised. These conditions pose significant stress: high turbidity and TDS impair photosynthesis and habitat structure, while excess iron introduces toxicological risks. The cumulative impact threatens lacustrine biodiversity across trophic levels. To mitigate further degradation and support ecosystem recovery, urgent implementation of improved wastewater management and the establishment of riparian vegetative buffers is recommended to reduce pollutant influx and enhance natural filtration.
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Pages:35-42
How to cite this article:
Milind M Nandotriya, Dr. Hiral Suthar, Dr. Minaxi Sharma, Dr. Kiran Prajapati "Physicochemical characterization of Jamnagar district lakes and its correlation with aquatic biodiversity". International Journal of Ecology and Environmental Sciences, Vol 8, Issue 1, 2026, Pages 35-42
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