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Influence of algal cell size on filtration and ingestion rates during different larval stages of the yellow neck clam, Paphia malabarica Chemnitz

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Title Influence of algal cell size on filtration and ingestion rates during different larval stages of the yellow neck clam, Paphia malabarica Chemnitz
Not Available
 
Creator Gireesh,R
 
Subject filtration rate
ingestion rate
larvae
Paphia
malabarica
 
Description Not Available
Filtration rate and ingestion rate of different stages of Paphia
malabarica larvae (D-shape, (80 lm), Umbo (120 lm) and
veliger (180 lm)) were determined in relation to feeding on
various micro algae. The micro algae tested were Nannochloropsis
salina, Isochrysis aff. galbana, Dicrateria inornata,
Tetraselmis gracilis and Chaetoceros calcitrans at 5 or
10 ยท 103 cells mL1. Both filtration and ingestion rate of
micro algae tested were increased with increasing larval size;
however, at all larval stages, C. calcitrans resulted in lower
filtration and ingestion rate. Of the algal diets tested,
P. malabarica larvae showed greatest filtration rate and
ingestion rate with N. salina. Maximum filtration rate for
N. salina was 15.7, 26.3 and 33.9 lL h1 and highest ingest
rate was 15, 92 and 177 cells larva 1 h1 in D shape larvae,
umbo and pediveliger, respectively. Filtration rate and
ingestion rate of N. salina were always higher than those
other algal species tested because of its small cell size (2 lm).
Not Available
 
Date 2021-09-16T06:09:52Z
2021-09-16T06:09:52Z
2011
 
Type Article
 
Identifier Not Available
Not Available
http://krishi.icar.gov.in/jspui/handle/123456789/62828
 
Language English
 
Relation Not Available
 
Publisher Blackwell Publishing