Record Details

Benthos of Cochin backwaters receiving industrial effluents

DRS at CSIR-National Institute of Oceanography

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Field Value
 
Title Benthos of Cochin backwaters receiving industrial effluents
 
Creator Devi, K.S.
Venugopal, P.
 
Subject Aquatic Communities
chemical pollution
wastes
community composition
temporal distribution
geographical distribution
indicator species
Benthic communities
Isopod
Amphipods
Molluscs
Polychaetes
Capitella capitata
ISW, India, Kerala, Cochin
 
Description Faunal composition of benthos and its spatial and temporal distribution at 9 stations in the northern limb of the Cochin backwaters are studied. An industrial belt is located about 18 km upstream of barmouth, and the effluents are discharged into the river. This stretch with a station 2 km further upstream forms the area of study. Faunal groups/species are rich at barmouth (st 1), gradually decline upstream and record lowest density at the effluent discharge point (st 8). Five major and 26 other groups or organisms are encountered during the study. Polychaetes and molluscs are the only major groups present at all stations, Amphipods rand third being present at sts 1-7; followed by isopods and tanaidaceans. Polychaetes are most common and constitute the largest assemblage of benthic forms in the study area. The polychaete species Capitella capitata which is present in enormous numbers at or near the discharge site can be considered to be an indicator species of industrial pollution. Substrate characteristics and hydrographic features of the area are also discussed
 
Date 1995-08-14T10:01:52Z
2017-09-30T01:29:53Z
1995-08-14T10:01:52Z
2017-09-30T01:29:53Z
1989
 
Type Journal Article
 
Identifier Indian Journal of Marine Sciences, vol.18; 1989; 165-169
0379-5136
http://drs.nio.org/drs/handle/2264/7151
 
Language en
 
Relation Indian J Mar Sci
SCI
 
Publisher CSIR-NISCAIR