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Transport-determined early growth and development of jack mackerel Trachurus japonicus juveniles immigrating into Sagami Bay, Japan
Xie, Songguang; Watanabe, Yoshiro; Xie, SG, Chinese Acad Sci, Inst Hydrol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China
2007
Source PublicationMARINE AND FRESHWATER RESEARCH
ISSN1323-1650
Volume58Issue:11Pages:1048-1055
AbstractOceanographic conditions and transport processes are often critical factors that affect the early growth, survival and recruitment of marine fishes. Sagittal otoliths were analysed to determine age and early growth for 381 jack mackerel (Trachurus japonicus) juveniles from Sagami Bay on the Pacific coast of Japan. Two separate hatching periods ( December and February-March) were identified. They originated from the spawning grounds in the East China Sea. Early growth and developmental rates of December-hatching fish were lower than those for February-March-hatching fish. It is likely that these differences were determined in the Kuroshio Current during transport from the spawning grounds to Sagami Bay, and the lower December water temperatures in the bay. Origin and hatch dates of juveniles in Sagami Bay were in contrast to previous research on Fukawa Bay, where April-or-later-hatching fish from spawning grounds in the coastal waters of southern Japan constituted about half of the juvenile population. Management of these two jack mackerel stocks needs to consider these differences in hatch date composition and spawning origins, as these differences could affect early growth and subsequent mortality.; Oceanographic conditions and transport processes are often critical factors that affect the early growth, survival and recruitment of marine fishes. Sagittal otoliths were analysed to determine age and early growth for 381 jack mackerel (Trachurus japonicus) juveniles from Sagami Bay on the Pacific coast of Japan. Two separate hatching periods ( December and February-March) were identified. They originated from the spawning grounds in the East China Sea. Early growth and developmental rates of December-hatching fish were lower than those for February-March-hatching fish. It is likely that these differences were determined in the Kuroshio Current during transport from the spawning grounds to Sagami Bay, and the lower December water temperatures in the bay. Origin and hatch dates of juveniles in Sagami Bay were in contrast to previous research on Fukawa Bay, where April-or-later-hatching fish from spawning grounds in the coastal waters of southern Japan constituted about half of the juvenile population. Management of these two jack mackerel stocks needs to consider these differences in hatch date composition and spawning origins, as these differences could affect early growth and subsequent mortality.
SubtypeArticle
KeywordEarly Life History Otolith Microstructure Secondary Primordium
DepartmentChinese Acad Sci, Inst Hydrol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China; Univ Tokyo, Ocean Res Inst, Tokyo 1648639, Japan
Subject AreaFisheries ; Limnology ; Marine & Freshwater Biology ; Oceanography
DOI10.1071/MF06165
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine ; Physical Sciences
Indexed BySCI
Language英语
WOS Research AreaFisheries ; Marine & Freshwater Biology ; Oceanography
WOS SubjectFisheries ; Limnology ; Marine & Freshwater Biology ; Oceanography
WOS IDWOS:000251311100008
WOS KeywordEARLY-LIFE-HISTORY ; OYASHIO TRANSITIONAL WATERS ; POMATOMUS-SALTATRIX PISCES ; OTOLITH MICROSTRUCTURE ; LARVAL ; RECRUITMENT ; SURVIVAL ; MORTALITY ; ANCHOVY ; VARIABILITY
Citation statistics
Cited Times:10[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/152342/8346
Collection期刊论文
Corresponding AuthorXie, SG, Chinese Acad Sci, Inst Hydrol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China
Affiliation1.Chinese Acad Sci, Inst Hydrol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China
2.Univ Tokyo, Ocean Res Inst, Tokyo 1648639, Japan
Recommended Citation
GB/T 7714
Xie, Songguang,Watanabe, Yoshiro,Xie, SG, Chinese Acad Sci, Inst Hydrol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China. Transport-determined early growth and development of jack mackerel Trachurus japonicus juveniles immigrating into Sagami Bay, Japan[J]. MARINE AND FRESHWATER RESEARCH,2007,58(11):1048-1055.
APA Xie, Songguang,Watanabe, Yoshiro,&Xie, SG, Chinese Acad Sci, Inst Hydrol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China.(2007).Transport-determined early growth and development of jack mackerel Trachurus japonicus juveniles immigrating into Sagami Bay, Japan.MARINE AND FRESHWATER RESEARCH,58(11),1048-1055.
MLA Xie, Songguang,et al."Transport-determined early growth and development of jack mackerel Trachurus japonicus juveniles immigrating into Sagami Bay, Japan".MARINE AND FRESHWATER RESEARCH 58.11(2007):1048-1055.
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