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

DRS at CSIR-National Institute of Oceanography

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Title Role of salinity in structuring the intertidal meiofauna of a tropical estuarine beach: Field evidence
 
Creator Ingole, B.S.
Parulekar, A.H.
 
Subject meiobenthos
intertidal environment
surf zone
environmental factors
salinity
population density
abundance
dominant species
seasonal variations
 
Description 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.
 
Date 2009-01-11T11:51:25Z
2009-01-11T11:51:25Z
1998
 
Type Journal Article
 
Identifier Indian Journal of Marine Sciences, Vol.27; 356-361p.
http://drs.nio.org/drs/handle/2264/1884
 
Language en
 
Rights Copyright [1998]. All efforts have been made to respect the copyright to the best of our knowledge. Inadvertent omissions, if brought to our notice, stand for correction and withdrawal of document from this repository.
 
Publisher NISCAIR, CSIR