2016 ◽  
Vol 82 ◽  
pp. 112-120 ◽  
Author(s):  
Guowan Su ◽  
Tiantian Zhao ◽  
Yaqi Zhao ◽  
Dongxiao Sun-Waterhouse ◽  
Chaoying Qiu ◽  
...  

2021 ◽  
Vol 8 ◽  
Author(s):  
Yibang Wang ◽  
Cui Liang ◽  
Zhaomin Chen ◽  
Shude Liu ◽  
Hui Zhang ◽  
...  

Estuaries, where fresh and salty water converge, provide abundant nutrients for ichthyoplankton. Ichthyoplankton, including fish eggs, larvae, and juveniles, are important fishery recruitment resources. The Yangtze Estuary and its adjacent waters comprise a typical large-scale estuary and supply many important fish spawning, feeding, and breeding areas. In this study, 1,291 ichthyoplankton individuals were collected in the Yangtze Estuary in spring, from 2013 to 2020. The aims of the study were to provide detailed information on characteristics of the ichthyoplankton assemblage, explore interannual variation, and evaluate the effects of environmental variables on the temporal variation in assemblage structure. Twenty-six species in seventeen families were identified. The dominant species were Coilia mystus, Chelidonichthys spinosus, Engraulis japonicus, Hypoatherina valenciennei, Larimichthys polyactis, Salanx ariakensis, Stolephorus commersonnii, and Trachidermus fasciatus. The ichthyoplankton assemblage changed significantly over time, and Chelidonichthys spinosus became one of the dominant species. Canonical correspondence analysis showed that temperature and chlorophyll a were the key factors affecting the assemblage structure in the Yangtze Estuary in spring.


2017 ◽  
Vol 65 (51) ◽  
pp. 11192-11201 ◽  
Author(s):  
Tiantian Zhao ◽  
Guowan Su ◽  
Shuguang Wang ◽  
Qi Zhang ◽  
Jianan Zhang ◽  
...  

2011 ◽  
Vol 27 (5) ◽  
pp. 1197-1202 ◽  
Author(s):  
W.-P. He ◽  
Y.-X. Li ◽  
M. Liu ◽  
K. V. Radhakrishnan ◽  
Z.-J. Li ◽  
...  

2008 ◽  
Vol 83 (3) ◽  
pp. 277-282 ◽  
Author(s):  
Qiqun Cheng ◽  
Chunyan Ma ◽  
Huaping Cheng ◽  
Qingyi Zhang

Author(s):  
Ying Cui ◽  
Ying Wu ◽  
Zhao Li Xu ◽  
Jing Zhang

The stable carbon and nitrogen isotopes and fatty acid composition of tapertail anchovy (Coilia mystus) at four migration stages collected around the Changjiang Estuary were analysed to investigate the variations in the trophic biomarkers during the fish migration. δ13 C and δ15N values of C. mystus ranged from −21.5 to −15.4‰ and from 6.9–15.8‰, respectively. Both δ13C and δ15N were enriched during migration. Polyunsaturated fatty acids were the dominant fatty acids and the major fatty acids found in C. mystus were C20:5n-3, C22:6n-3, C20:4n-6, C16:0, C18:0, C16:1n-7, C18:1(n-9, n-7) and C20:1 + C22:1. Significant changes among C. mystus at different migration stages were found both in the fatty acid composition and specific fatty acid concentration. Though the enrichment of stable isotopes may due to multiple factors (e.g. diet shift, environment and ontogeny), the dietary influence can be determined by the variation in fatty acid composition. Changes in the concentrations of benthic markers (C18:1n-7 and C20:4n-6) and pelagic markers (C18:1n-9 and C20:1 + C22:1) in C. mystus during the migration may suggest that benthic and pelagic food sources alternately dominated the anchovies' diet during different migration stages. It seems that application of multiple biomarkers in the trophic study of migratory fish will elevate the reliability of the analysis.


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