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Spatial distribution and population structure of Euphausia pacifica in the Yellow Sea (2006-2007)
Sun, Song1; Tao, Zhencheng1,2; Li, Chaolun1; Liu, Huilian1
2011-06-01
发表期刊JOURNAL OF PLANKTON RESEARCH
ISSN0142-7873
卷号33期号:6页码:873-889
文章类型Article
摘要We studied spatial distribution patterns, population structure and egg production rates of Euphausia pacifica in the Yellow Sea from April 2006 to August 2007 during eight cruises. We investigated the distribution of the developmental stages in relation to environmental factors (temperature, salinity and chlorophyll a). We used principal components analysis and Pearson's correlation to analyze the covariation and correlation between E. pacifica abundances and environmental factors. The spatial distribution of E. pacifica was controlled primarily by seawater temperature and the adults preferentially inhabited cold water. Euphausia pacifica occurred nearly throughout the entire study area in spring and winter. When surface seawater temperature was over 20 degrees C in summer and autumn, E. pacifica was mainly located in the Yellow Sea Bottom Cold Water (YSBCW) area where the temperature below the thermocline was 8-10 degrees C. On-board incubation experiments showed that the brood size of E. pacifica was highest in spring. We conclude that E. pacifica can undergo its whole life history and maintain high abundance in the Yellow Sea. Recruitment is mainly in spring, after which it is very low. In summer and autumn, the population is mainly distributed in the YSBCW, which offers animals a refuge from warm surface waters.; We studied spatial distribution patterns, population structure and egg production rates of Euphausia pacifica in the Yellow Sea from April 2006 to August 2007 during eight cruises. We investigated the distribution of the developmental stages in relation to environmental factors (temperature, salinity and chlorophyll a). We used principal components analysis and Pearson's correlation to analyze the covariation and correlation between E. pacifica abundances and environmental factors. The spatial distribution of E. pacifica was controlled primarily by seawater temperature and the adults preferentially inhabited cold water. Euphausia pacifica occurred nearly throughout the entire study area in spring and winter. When surface seawater temperature was over 20 degrees C in summer and autumn, E. pacifica was mainly located in the Yellow Sea Bottom Cold Water (YSBCW) area where the temperature below the thermocline was 8-10 degrees C. On-board incubation experiments showed that the brood size of E. pacifica was highest in spring. We conclude that E. pacifica can undergo its whole life history and maintain high abundance in the Yellow Sea. Recruitment is mainly in spring, after which it is very low. In summer and autumn, the population is mainly distributed in the YSBCW, which offers animals a refuge from warm surface waters.
关键词Zooplankton Euphausia Pacifica Distribution Reproduction Yellow Sea
学科领域Marine & Freshwater Biology ; Oceanography
DOI10.1093/plankt/fbq160
URL查看原文
收录类别SCI
语种英语
WOS记录号WOS:000290394300004
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被引频次:17[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.qdio.ac.cn/handle/337002/11707
专题海洋生态与环境科学重点实验室
作者单位1.Chinese Acad Sci, Inst Oceanol, Key Lab Marine Ecol & Environm Sci, Qingdao 266071, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100039, Peoples R China
第一作者单位中国科学院海洋研究所
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Sun, Song,Tao, Zhencheng,Li, Chaolun,et al. Spatial distribution and population structure of Euphausia pacifica in the Yellow Sea (2006-2007)[J]. JOURNAL OF PLANKTON RESEARCH,2011,33(6):873-889.
APA Sun, Song,Tao, Zhencheng,Li, Chaolun,&Liu, Huilian.(2011).Spatial distribution and population structure of Euphausia pacifica in the Yellow Sea (2006-2007).JOURNAL OF PLANKTON RESEARCH,33(6),873-889.
MLA Sun, Song,et al."Spatial distribution and population structure of Euphausia pacifica in the Yellow Sea (2006-2007)".JOURNAL OF PLANKTON RESEARCH 33.6(2011):873-889.
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