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  • Water and sediment quality parameters of the restored mangrove ecosystem of Gurupura River and natural mangrove ecosystem

    Restoration of Rhizophora mucronata stand in the Gurupura Estuary resulted in improved water and sediment quality parameters. Monthly monitoring from 2011 to 2016 indicates that the restored mangroves grew to a height of 61.49 ± 5.76 cm. Principal component analysis (PCA) showed that increased duration of salinity in the estuary aided the growth of barnacles in planted mangroves which reduced survival by 10%. The United States Environmental Protection Agency ratings revealed that natural mangrove site in Shambavi River exhibit the maximum good water quality rating though dissolved inorganic phosphorous was rated highest due to non-point pollution sources. The pH, salinity, dissolved oxygen, silicate, phosphate, ammonia, and rainfall demonstrated significant seasonal differences (P < 0.001). Mangrove roots and biomes aided in accumulation of clay and significant difference (P < 0.001) was observed yearly. Land use management, efficient waste disposal system along with restoration of diverse mangroves can improve the water quality of estuarine ecosystem.

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  • Seasonal and temporal variations in deep-sea ichthyofaunal diversity of Quilon terrace, Southwest Coast of India
  • Reproductive biology of fourfinger threadfin, Eleutheronema tetradactylum (Polynemidae) from north-eastern Arabian Sea.
  • Diversity of flora and fauna in low-value bycatch from bottom trawls in Palk Bay, south-east coast of India
  • Reproductive biology of the Crimson jobfish Pristipomoides filamentosus (Valenciennes, 1830) landed along the southern coast of Kerala, India
  • New species of eight-gilled hagfish (Myxinidae: Eptatretus) from the deep waters of the Lakshadweep Sea, India
  • Impact of the COVID-19 pandemic on the marine fisheries sector in India
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