Spatial and temporal variability in fork length of young yellowtail [Seriola quinqueradiata] in the japan sea

Comparison of the fork length composition of 0-year-old yellowtail Seriola quinqueradiata between August and December from 1968 to 1994 between areas revealed that the average fork length is smaller in the eastern coastal area along the Japanese mainland than in western areas in the Japan Sea. Since...

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Bibliographic Details
Published inBulletin of the Japan Sea National Fisheries Research Institute (Japan) no. 48
Main Author Hiyama, Y. (Japan Sea National Fisheries Research Inst., Niigata (Japan))
Format Journal Article
LanguageEnglish
Published 01.03.1998
Subjects
ANALISIS DE SERIES CRONOLOGICAS
ANALYSE DE SERIES CHRONOLOGIQUES
ANIMALES JOVENES
DENSIDAD DE LA POBLACION
DENSITE DE POPULATION
JEUNE ANIMAL
LARGURA
LENGTH
LONGUEUR
MAR DEL JAPON
MER DU JAPON
POPULATION DENSITY
SEA OF JAPAN
SERIOLA
TIME SERIES ANALYSIS
YOUNG ANIMALS
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Summary:Comparison of the fork length composition of 0-year-old yellowtail Seriola quinqueradiata between August and December from 1968 to 1994 between areas revealed that the average fork length is smaller in the eastern coastal area along the Japanese mainland than in western areas in the Japan Sea. Since the average fork length in October is inversely correlated (P0.01) with the abundance index of 0-year-old yellowtail, it is suggested that density affects the growth of young yellowtail. Age was determined from the number of rings on scales for 195 specimens which were caught at Sado Island in December 1967. Ages determined ranged 0 to 4 and the average fork length at each age is close to that of the Pacific Ocean in the early 1960's and in the Japan Sea in the late 1980's but considerably different from that in the Japan Sea in the late 1950's
Bibliography:M11
1998006182
ISSN:0021-4620