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Otolith characteristics and age determination of an endemic Ptychobarbus dipogon (Regan, 1905) (Cyprinidae: Schizothoracinae) in the Yarlung Tsangpo River, Tibet
Li, Xiuqi1,2; Chen, Yifeng1; He, Dekui1; Chen, Feng1,2; Chen, YF, Chinese Acad Sci, Inst Hydrobiol, Lab Biol Invas & Adapt Evolut, Wuhan 430072, Peoples R China
2009-09-01
Source PublicationENVIRONMENTAL BIOLOGY OF FISHES
ISSN0378-1909
Volume86Issue:1Pages:53-61
AbstractWe describe the microincrements, checks and annuli in the lapilli of the schizothoracine Ptychobarbus dipogon, an endemic species of the Tibetan plateau. We collected samples in the Yarlung Tsangpo River and its tributaries on a monthly basis (from April 2004 to August 2006). We describe the shape features of the three pairs of otoliths and document the full trajectory of lapillus development. We found that five to seven checks were clearly visible in the opaque zone of the first annulus. The pattern of 21-23 daily growth increments within each check might be explained as a lunar-induced deposition. We counted between 137 and 154 increments within the first annulus. Annuli appeared as a sequence of gradually declining increment widths, whereas false rings were characterized by abrupt checks. Our oldest estimates were 23(+)years for males and 44(+) for females. The time of annulus completion was clearly between March and April each year using monthly marginal increments analysis. We consider the factors responsible for daily increment formation as an endogenous circadian rhythm. Environmental information, such as strong sunlight and cold water temperatures in the Tibetan Plateau, could reinforce the endogenous daily cycle. Our results provided important data addressing the ecology and population dynamics of P. dipogon.; We describe the microincrements, checks and annuli in the lapilli of the schizothoracine Ptychobarbus dipogon, an endemic species of the Tibetan plateau. We collected samples in the Yarlung Tsangpo River and its tributaries on a monthly basis (from April 2004 to August 2006). We describe the shape features of the three pairs of otoliths and document the full trajectory of lapillus development. We found that five to seven checks were clearly visible in the opaque zone of the first annulus. The pattern of 21-23 daily growth increments within each check might be explained as a lunar-induced deposition. We counted between 137 and 154 increments within the first annulus. Annuli appeared as a sequence of gradually declining increment widths, whereas false rings were characterized by abrupt checks. Our oldest estimates were 23(+)years for males and 44(+) for females. The time of annulus completion was clearly between March and April each year using monthly marginal increments analysis. We consider the factors responsible for daily increment formation as an endogenous circadian rhythm. Environmental information, such as strong sunlight and cold water temperatures in the Tibetan Plateau, could reinforce the endogenous daily cycle. Our results provided important data addressing the ecology and population dynamics of P. dipogon.
SubtypeArticle
KeywordPtychobarbus Dipogon Otolith Age Determination Yarlung Tsangpo River
Department[Li, Xiuqi; Chen, Yifeng; He, Dekui; Chen, Feng] Chinese Acad Sci, Inst Hydrobiol, Lab Biol Invas & Adapt Evolut, Wuhan 430072, Peoples R China; [Li, Xiuqi; Chen, Feng] Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
Subject AreaEcology ; Marine & Freshwater Biology
DOI10.1007/s10641-008-9420-0
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine
Funding OrganizationKnowledge Innovation Project of the Chinese Academy of Sciences [KSCX2-SW-125, KSCX1-SW-13-04]; National Natural Science Foundation of China [30471345] ; Knowledge Innovation Project of the Chinese Academy of Sciences [KSCX2-SW-125, KSCX1-SW-13-04]; National Natural Science Foundation of China [30471345] ; Knowledge Innovation Project of the Chinese Academy of Sciences [KSCX2-SW-125, KSCX1-SW-13-04]; National Natural Science Foundation of China [30471345] ; Knowledge Innovation Project of the Chinese Academy of Sciences [KSCX2-SW-125, KSCX1-SW-13-04]; National Natural Science Foundation of China [30471345]
Indexed BySCI
Language英语
WOS Research AreaEnvironmental Sciences & Ecology ; Marine & Freshwater Biology
WOS SubjectEcology ; Marine & Freshwater Biology
WOS IDWOS:000271264000008
WOS KeywordHERRING CLUPEA-HARENGUS ; INCREMENT FORMATION ; GROWTH ; FISH ; MICROSTRUCTURE ; MYCTOPHIDAE ; ACCURACY ; PISCES ; LARVAE
Funding OrganizationKnowledge Innovation Project of the Chinese Academy of Sciences [KSCX2-SW-125, KSCX1-SW-13-04]; National Natural Science Foundation of China [30471345] ; Knowledge Innovation Project of the Chinese Academy of Sciences [KSCX2-SW-125, KSCX1-SW-13-04]; National Natural Science Foundation of China [30471345] ; Knowledge Innovation Project of the Chinese Academy of Sciences [KSCX2-SW-125, KSCX1-SW-13-04]; National Natural Science Foundation of China [30471345] ; Knowledge Innovation Project of the Chinese Academy of Sciences [KSCX2-SW-125, KSCX1-SW-13-04]; National Natural Science Foundation of China [30471345]
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Cited Times:10[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/152342/7514
Collection期刊论文
Corresponding AuthorChen, YF, Chinese Acad Sci, Inst Hydrobiol, Lab Biol Invas & Adapt Evolut, Wuhan 430072, Peoples R China
Affiliation1.Chinese Acad Sci, Inst Hydrobiol, Lab Biol Invas & Adapt Evolut, Wuhan 430072, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
Recommended Citation
GB/T 7714
Li, Xiuqi,Chen, Yifeng,He, Dekui,et al. Otolith characteristics and age determination of an endemic Ptychobarbus dipogon (Regan, 1905) (Cyprinidae: Schizothoracinae) in the Yarlung Tsangpo River, Tibet[J]. ENVIRONMENTAL BIOLOGY OF FISHES,2009,86(1):53-61.
APA Li, Xiuqi,Chen, Yifeng,He, Dekui,Chen, Feng,&Chen, YF, Chinese Acad Sci, Inst Hydrobiol, Lab Biol Invas & Adapt Evolut, Wuhan 430072, Peoples R China.(2009).Otolith characteristics and age determination of an endemic Ptychobarbus dipogon (Regan, 1905) (Cyprinidae: Schizothoracinae) in the Yarlung Tsangpo River, Tibet.ENVIRONMENTAL BIOLOGY OF FISHES,86(1),53-61.
MLA Li, Xiuqi,et al."Otolith characteristics and age determination of an endemic Ptychobarbus dipogon (Regan, 1905) (Cyprinidae: Schizothoracinae) in the Yarlung Tsangpo River, Tibet".ENVIRONMENTAL BIOLOGY OF FISHES 86.1(2009):53-61.
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