Species Composition, Abundance and Trophic Relationships of Juvenile Fish in the Vorogovskoe Mnogoostrovye (Yenisei River)

被引:0
|
作者
Yablokov, N. O. [1 ]
Eremina, M. V. [1 ]
Kislitsyna, N. I. [1 ]
Derbineva, E. V. [1 ]
机构
[1] Russian Fed Res Inst Fisheries & Oceanog, Krasnoyarsk Branch, Krasnoyarsk, Russia
关键词
juvenile fish; species composition; feeding; food similarity index; Vorogovskoe Mnogoostrovye; Yenisei River;
D O I
10.1134/S0032945224700589
中图分类号
S9 [水产、渔业];
学科分类号
0908 ;
摘要
Information is presented on the species composition, abundance, feeding habits and trophic relationships of juvenile fish in the area of Vogorovskoe Mnogoostrovye (Yenisei River). Thirteen species of fish belonging to four orders: Salmoniformes, Esociformes, Perciformes and Cypriniformes have been recorded. Juveniles of Cypriniformes (common dace Leuciscus leuciscus, gudgeon Gobio gobio) and Perciformes (common perch Perca fluviatilis) dominated in catches in terms of abundance and biomass. Zoobenthos organisms predominate in the diet of juveniles of most species. Juveniles of all fish species were characterized by a high condition factor and indices of stomach fullness, which indicates that fish in the water area studied are provided with food resources.
引用
收藏
页码:737 / 749
页数:13
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