Temporal Assessment of Phosphorus Speciation in a Model Ramsar Lake System in Asia
Venukumar A. Azimov A.M. Iztleuov G.M. Moorchilot V.S. Aravind U.K. Sataev M.I. Koshy V.J. Aravindakumar C.T.
May 2024Multidisciplinary Digital Publishing Institute (MDPI)
Hydrology
2024#11Issue 5
This study focused on monitoring phosphorus (P) concentrations in the water of the Ramsar site, Lake Vembanad, with a special focus on the mouths of the river bodies draining into the lake, a known hotspot for eutrophication. Four phosphorus fractions—total reactive phosphorus (TRP), total acid hydrolysable phosphorus (TAHP), total organic phosphorus (TOP), and total phosphorus (TP)—were monitored during the pre-monsoon and post-monsoon seasons. The results revealed high levels of all monitored phosphorus fractions, with an average concentration exceeding 300 ppb P across both seasons, indicating a highly eutrophic state. Notably, TRP, TOP, and TP showed high concentrations in both the pre-monsoon and post-monsoon periods. These data suggest significant phosphorus input into the lake’s surface water, potentially triggering excessive algal growth and threatening the biodiversity of this rich wetland ecosystem.
adjoining rivers , eutrophication , inorganic and organic phosphorus , phosphorus speciation , Vembanad Lake
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School of Environmental Sciences, Mahatma Gandhi University (MGU), Kerala, Kottayam, 686560, India
Research Laboratory Innovative Water Treatment Systems, M. Auezov South Kazakhstan University, Taukehan Street 5, Shymkent, 16000, Kazakhstan
Department of Ecology, M. Auezov South Kazakhstan University, Taukehan Street 5, Shymkent, 16000, Kazakhstan
School of Environmental Studies, Cochin University of Science & Technology (CUSAT), Kerala, Kochi, 682022, India
Inter University Instrumentation Centre (IUIC), Mahatma Gandhi University (MGU), Kerala, Kottayam, 686560, India
School of Environmental Sciences
Research Laboratory Innovative Water Treatment Systems
Department of Ecology
School of Environmental Studies
Inter University Instrumentation Centre (IUIC)
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