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Phytoplankton pigments and macrobenthos in nearshore waters off an oil terminal at Uran (Maharashtra), west coast of India

DRS at CSIR-National Institute of Oceanography

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Title Phytoplankton pigments and macrobenthos in nearshore waters off an oil terminal at Uran (Maharashtra), west coast of India
 
Creator JiyalalRam, M.
Mehta, P.
Govindan, K.
 
Subject phytoplankton
chlorophylls
temporal variations
tidal cycles
oil wastes
pollution tolerance
biomass
nearshore dynamics
species diversity
Nitzschia closterium
Skeletonema costatum
Melosira sulcata
 
Description Significant temporal and tidal variations of chlorophyll a (2.11-11.8 mg m sup(-3)) were noticed. Chlorophyll a was less during low tide (av. 3.8 mg m sup(-3)) as compared to high tide (av. 8.1 mg m sup(-3)). The predominance of Nitzschia closterium, Skeletonema costatum and Melosira sulcata especially during ebb suggested their tolerance to petroleum wastes. The Rocky intertidal zone showed higher macrofaunal density at the upper zone (av 6992 m sup(-2)) as compared to lower zone (av 1373 m sup(-2)) whereas the biomass ws comparable between the two zones. The subtidal regions had poor faunal group diversity, faunal density (av 250 m sup(-2)) and biomass (av 0.2 mg sup(-2)) associated with clayey silt bottom enriched with organic matter (3.3%). The subtidal fauna and sediment quality indicate a reducing trend in macrofaunal population and biomass over a period of 8 years.
 
Date 2009-01-11T11:47:45Z
2009-01-11T11:47:45Z
1998
 
Type Journal Article
 
Identifier Indian Journal of Marine Sciences, Vol.27; 317-322p.
http://drs.nio.org/drs/handle/2264/1873
 
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