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Title: Effect of salinity and dissolved nutrients on the occurrence of some seaweeds in Manakkudy estuary
Authors: Jansi, M.
Ramadhas, V.
Keywords: Salimiton
coast seaweed
Issue Date: Dec-2009
Publisher: CSIR
Abstract: Manakkudy estuary, located on the South-West coast of India has production of seaweeds to an amount of 15.59 kg/m<sup>2/</sup>yr. Four different types of seaweeds viz., <i style="">Chaetomorpha aerea, Enteromorpha compressa, Gracilaria verrucosa</i> and<i style=""> Hypnea musciformis</i> were observed in this estuary. Highest production of biomass (<i style="">C. aerea =</i> 842.33± 32.21 g/m<sup>2</sup>; <i style="">E. compressa = </i>619±16.09 g/m<sup>2</sup>; <i style="">G. verrucosa = </i>563.33±13.32 g/m<sup>2</sup> and <i style="">H. musciformis = </i>225.67±10.79 g/m<sup>2</sup>) of seaweeds could be recorded in May. During November i.e., a period of peak monsoon rain it is not present. Sea weeds were observed to occur in the euryhaline salinity range of 11.15 ± 0.48 to 27.18±0.88 ppt and the temperature ranging between 23.57°±1.00 and 31.70 ± 0.82°C. The quantity of seaweed is more when levels of nutrients were moderately high.
Description: 470-473
ISSN: 0975-1033 (Online); 0379-5136 (Print)
Appears in Collections:IJMS Vol.38(4) [December 2009]

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