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    Elucidating the variation of phytoplankton pigments in estuarine ecosystem

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    Date
    2025
    Author
    Reshmitha R.N.
    Singh, K.S.
    Imchen, T.
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    Abstract
    Phytoplankton pigments were used to study the community structure and phytoplankton size class in Goa s estuaries. The study revealed that fucoxanthin and chlorophyll a were the most dominant pigments. The correlation of diagnostic pigments (DP) and chl a correlated positively in both estuaries (Mandovi: R2 = 0.703, P < 0.01; Zuari: R2 = 0.892, P < 0.01), suggesting that DP can serve as a proxy to measure phytoplankton biomass. Results showed that with DP and biomass proportion, phytoplankton size class (picoplankton, nanoplankton and microplankton) can be derived. Picoplankton biomass was highest during pre-monsoon season, while microplankton biomass was high during monsoon season. The high abundance of microplankton may support planktivorous fishery productivity.
    URI
    https://doi.org/10.5697/UXLD2477
    http://drs.nio.res.in/drs/handle/2264/9429
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