Nutrient Diversity Over Gujarat Coastal Water, the Northeast Arabian Sea

• Autores: Bimalkumar R. Patel, Apurva Prajapati, Ranjit Kumar Sarangi, Bhargav Devliya, Hitesh D. Patel
• Localización: Thalassas: An international journal of marine sciences, ISSN 0212-5919, Vol. 39, Nº. 2 (October 2023), 2023, págs. 1055-1064
• Idioma: inglés
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• Resumen

  • The Gujarat coast has a variety of topographical factors that influence the spectrum of nutrients. Over various periods, the team of researchers analyzed the nutrients in seawater from over 75 stations in a total of 5 places across the northeast Arabian sea. Nitrate, Silicate, Orthophosphate, and Ammonia concentrations (µmol/L) of surface seawater were measured in situ. The result shows that southern Gujarat had a considerably higher range of nitrate, silicate, and orthophosphate concentrations which may be due to nitrification and eutrophication because of the gulf, estuary zone, heavy sedimentation, and industrial fluxes. A total of 43 stations/part A near the Gulf of Khambhat compared to 32 stations/part B from the northwest Gujarat coast, shows remarkably different results. Southern Gujarat supports different kinds of water with lower pH and high TSM range and muddy seawater color, remote sensing reflectance also supports the same. Satellite-based chlorophyll concentration supports the high range of Chl in southern Gujarat. The range of Nitrate, Ammonia, Silicate, and Orthophosphate for all stations is 3.9–62.5 µmol/L, 2.8-63.65 µmol/L, 0.5–160 µmol/L, 0.4-5 µmol/L respectively. Nitrate, Phosphate, and Silicate concentration follow the polynomial trend from the southern to the northern coast of Gujarat. The publication recommends researchers conduct more research on eutrophication in the southern Gujarat coastal region since it is linked to primary production and other elements of the marine ecosystem.