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Diurnal variations in abundance of penaeid prawn postlarvae at Ennore estuary near Madras

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Relation http://eprints.cmfri.org.in/1154/
 
Title Diurnal variations in abundance of penaeid prawn postlarvae at Ennore estuary near Madras
 
Creator James, D B
 
Subject Prawn and Prawn fisheries
 
Description During the years 1983 and 1984 collections of penaeid prawa postlarvae were made by Renfro net
at night and day near the bar mouth during the four phases of the moon. An analysis of the data
revealed that the number of postlarvae was more during the nights on 91 % of the observed days in the
first quarter, 81 % of the days on new moon, 75 % of the days in the last quarter and only 60 % of the
days on full moon. Number of postlarvae collected was usually more in the mornings of full moon
rather than at nights. It was noticed that the day collections were generally richer during October
and November in all the phases of the moon. Details of abundance of penaeid prawn postlarvae of
various species in relation to diurnal and lunar phases are discussed in the paper.
 
Publisher MBAI
 
Date 1987
 
Type Article
PeerReviewed
 
Format application/pdf
 
Language en
 
Identifier http://eprints.cmfri.org.in/1154/1/James_250-256.pdf
James, D B (1987) Diurnal variations in abundance of penaeid prawn postlarvae at Ennore estuary near Madras. Journal of the Marine Biological Association of India, 29 (1&2). pp. 250-256.