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Accelerated recruitment of copepod Calanus hyperboreus in pelagic slope waters of the western Arctic Ocean
Xu Zhiqiang1; Zhang Guangtao; Sun Song2
2018-05-01
Source PublicationACTA OCEANOLOGICA SINICA
ISSN0253-505X
Volume37Issue:5Pages:87-95
SubtypeArticle
AbstractShelf-basin advection is essential to subsistence of the Arctic copepod Calanus hyperboreus population in high basin area. Its abundance, population structure and body size in pelagic layer were investigated with samples collected over a large range in the western Arctic Ocean during summer 2003, to evaluate the geographical variation in recruitment pattern. Calanus hyperboreus was absent from the shallow areas of the Chukchi Sea and most abundant in the slope area between the Chukchi Sea and Chukchi Abyssal Plain (CS-slope). Total abundance varied between 1 110.0 and 5 815.0 ind./m(2) in the CS-slope area and ranged from 40.0 to 950.0 ind./m(2) in the other areas. Early stages (CI-IV) dominated in the CS-slope area, whereas CV and adult females were frequently recorded only in deep basin areas. Geographical difference of prosome length was most evident in CIII, with average ranging from 2.48 to 2.61 mm at the CS-slope stations and 2.16-2.37 mm at the others. Abundance of early developmental stages (CI-CIV) correlated positively with Chl a concentration, but negative correlation was observed in late stages (CV-adult). Our results indicated that C. hyperboreus can benefit from primary production increase through accelerated development in the first growth season and the productive CS-slope area is a potential source for slope-basin replenishment.
Keywordcontinental slope prosome length population structure food availability life cycle
Subject AreaOceanography
DOI10.1007/s13131-018-1166-8
Indexed BySCIE
Language英语
WOS Research AreaOceanography
WOS IDWOS:000431898900011
PublisherSPRINGER
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/157576
Collection海洋生态与环境科学重点实验室
Affiliation1.Chinese Acad Sci, Inst Oceanol, Jiaozhou Bay Marine Ecosyst Res Stn, Qingdao 266071, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Chinese Acad Sci, Inst Oceanol, Key Lab Marine Ecol & Environm Sci, Qingdao 266071, Peoples R China
First Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Recommended Citation
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Xu Zhiqiang,Zhang Guangtao,Sun Song. Accelerated recruitment of copepod Calanus hyperboreus in pelagic slope waters of the western Arctic Ocean[J]. ACTA OCEANOLOGICA SINICA,2018,37(5):87-95.
APA Xu Zhiqiang,Zhang Guangtao,&Sun Song.(2018).Accelerated recruitment of copepod Calanus hyperboreus in pelagic slope waters of the western Arctic Ocean.ACTA OCEANOLOGICA SINICA,37(5),87-95.
MLA Xu Zhiqiang,et al."Accelerated recruitment of copepod Calanus hyperboreus in pelagic slope waters of the western Arctic Ocean".ACTA OCEANOLOGICA SINICA 37.5(2018):87-95.
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