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    Role of salinity in structuring the intertidal meiofauna of a tropical estuarine beach: Field evidence

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    I_J_Mar_Sci_27_356.pdf (432.6Kb)
    Date
    1998
    Author
    Ingole, B.S.
    Parulekar, A.H.
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    Abstract
    Community structure of meiofauna was studied for 12 months (July 1991-June 1992) on an estuarine intertidal beach at Siridao, Goa (India). The temperature of the surf zone water ranged from 26.5 degrees to 30.7 degrees C; salinity from 8.3 to 34.4 x 10 sup(-3), dissolved oxygen from 2.4 to 4.8 ml 1 sup(-1); particulate organic carbon from 0.11 to 5.00 mg 1 sup(-1) and chlorophyll a 1.04 to 7.51 mu g 1 sup(-1). Chlorophyll a and POC concentrations showed significant variations between the sampling months. Mean monthly meiofaunal density recorded at mid-tide level varied between 3.6 and 211 individuals for every 3 cm sup(2) (mean = 115.7 plus or minus 62.6). Fluctuation in meiofaunal density showed significant correlation with salinity fluctuation (r = 0.0607; P less than 0.05). Distinct invertebrate communities were associated with different salinity regimes. Since the occurrence and abundance of dominant meiobenthic species were influenced greatly by monsoonal rain, the presence/absence of known species during a particular season could be predicted on the basis of field salinity.
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    http://drs.nio.org/drs/handle/2264/1884
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