Size selectivity of 40 mm square Mesh codend with respect to yellowstriped goatfish, upeneus vittatus (forsskal, 1775) and orangefin ponyfish, leiognathus bindus (valenciennes, 1835)

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dc.contributor.authorPrakash, R.R.
dc.contributor.authorRajeswari, G.
dc.contributor.authorSreedhar, U.
dc.date.accessioned2013-12-09T05:22:00Z
dc.date.available2013-12-09T05:22:00Z
dc.date.issued2008
dc.description.abstractYeUowstriped goatfish, Upeneus vittatus {Forsskal, 1775) and Orangefin Ponyfish, Leiognathus hindus (Valenciennes, 1835) are widely exploited by the trawl fishery. Due to the use of codends with conventional small diamond mesh in the trawl nets, large quantities of juveniles of these species are landed along the east coast of India. The size selectivity of 40 mm square mesh c dend for Upeneus vittatus and Leiognathus bindus was studied with a 30 m demersal trawl, following covered codend method. The L25, L50 and L75 values for Upeunus vittatus were 10.0, 11.22 and' 12.4 em respectively. Selection factor, selection range and selection ratio for Upeneus' vittatus were 2.8 and 2.43 and 0.6 respectively. The L25, LSO ,L75 values for Leiognathus bindus were 5.52, 7.7 and 9.88 em respectively. Selection factor, selection range and selection ratio for Leiognathus hindus were 1.92, 4.36 and 1.09 respectively.en_US
dc.identifier.citationfishery technology 2008: 45(1), 29-34en_US
dc.identifier.urihttp://hdl.handle.net/123456789/873
dc.language.isoenen_US
dc.publisherSociety of Fisheries Technologists (India), Cochinen_US
dc.subjectTrawl codend selectivityen_US
dc.subjectsquare mesh selectivityen_US
dc.subjectMean selection length,en_US
dc.subjectselection factoren_US
dc.subjectupeneus vittatusen_US
dc.subjectleiognathus bindusen_US
dc.titleSize selectivity of 40 mm square Mesh codend with respect to yellowstriped goatfish, upeneus vittatus (forsskal, 1775) and orangefin ponyfish, leiognathus bindus (valenciennes, 1835)en_US
dc.typeArticleen_US
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