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题名: Variations in early life history traits of Japanese anchovy Engraulis japonicus in the Yangtze River Estuary
作者: Liu, Chunlong1; Xian, Weiwei1, 2; Liu, Shude1; Chen, Yifeng3
关键词: Japanese anchovy ; Growth ; The Yangtze River Estuary ; Early life history ; Hatching date
刊名: PEERJ
发表日期: 2018-05-30
DOI: 10.7717/peerj.4789
卷: 6
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology
类目[WOS]: Multidisciplinary Sciences
研究领域[WOS]: Science & Technology - Other Topics
英文摘要: Resources of Japanese anchovy (Engraulis japonicas Temminck & Schlegel, 1846) are undergoing dramatic recessions in China as the consequence of intensifying anthropogenic. activities. Elucidating the influences of local-scale environmental factors on early life history of great importance to design strategies conserving and traits is restoring the declining anchovy resources. In this research, we studied hatching date and early growth of anchovy. in the Yangtze River Estuary (YRE) using information obtained from otolith microstructure. Onset of hatching season and growth rates of anchovy was compared to populations in Japan and Taiwan. In YRE, the hatching date of anchovy ranged from February 26th to April 6th and mean growth rate changed from 0.27 to 0.77 mm/d. Anchovies hatching later had higher growth rates than individuals hatching earlier before the 25th day. Among populations, hatching onsets of anchovy from the higher latitude were later than populations in the lower latitude, and growth rates of anchovy in YRE were much lower than populations in Japan and Taiwan. Variations in hatching onsets and early growth patterns of anchovy thus provide important knowledge on understanding the adaptation of anchovy in YRE and designing management strategies on conserving China's anchovy resources.
关键词[WOS]: EAST CHINA SEA ; OTOLITH MICROSTRUCTURE ANALYSIS ; ESSENTIAL FISH HABITAT ; GROWTH-RATE ; YELLOW SEA ; COUNTERGRADIENT VARIATION ; PHYTOPLANKTON COMMUNITY ; DIFFERENT LATITUDES ; TEMPORAL VARIATION ; PACIFIC ANCHOVY
语种: 英语
项目资助者: NSFC-Shandong Joint Fund for Marine Ecology and Environmental Sciences(U1606404) ; National Natural Science Foundation of China(31272663 ; Qingdao Post-doctor Application Research Project(Y8KY01106N) ; 41176138)
WOS记录号: WOS:000434233800003
ISSN号: 2167-8359
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/50895
Appears in Collections:水生生物多样性与资源保护研究中心_期刊论文

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作者单位: 1.Chinese Acad Sci, Inst Oceanol, CAS Key Lab Marine Ecol & Environm Sci, Qingdao, Peoples R China
2.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Ecol & Environm Sci, Qingdao, Peoples R China
3.Chinese Acad Sci, Inst Hydrobiol, Lab Biol Invas & Adapt Evolut, Wuhan, Hubei, Peoples R China
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