Abstract
Different forms of dissolved and sediment phosphates, both adsorbed and interstitial, were determined in the highly productive coastal waters of the Indian Ocean. Both inorganic and organic phosphate of the above fractions covered in this paper reveal the extent of inter-dependency as well as exemplify the role of sediment based nutrients to influence the biorhythm in the overlying waters. The area of study in the mudbank regions of Kerala coast, (South India) is subjected to seasonal changes in its physics and hydrochemistry variability and is a natural, dynamic situation (compared to a neighbourhood location of relative quietude) exhibiting features of catalysing the release of sediment bound phosphate depending on its utilisation, via bioturbation. The organic phosphate pool plays a crucial role, wherein it acts as a ‘inducer’ in the triggering mechanism of aquatic life in this coastal zone.
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Abbreviations
- inorg-Pdiss :
-
dissolved inorganic phosphate
- inorg-Pt :
-
interstitial inorganic phosphate
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Nair, S.M., Balchand, A.N. Nearshore abundance of dissolved and sedimented forms of phosphorus. Hydrobiologia 252, 71–81 (1993). https://doi.org/10.1007/BF00000129
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DOI: https://doi.org/10.1007/BF00000129