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题名: Feeding habits of the Chinese minnow Rhynchocypris oxycephalus (Sauvage & Dabry de Thiersant, 1874) from the upper Yangtze River, China
作者: Lei, J.1, 2; Xiong, W.2; Sui, X. -Y.2; Chen, Y. F.2
刊名: JOURNAL OF APPLIED ICHTHYOLOGY
发表日期: 2018-06-01
DOI: 10.1111/jai.13597
卷: 34, 期:3, 页:550-555
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ; Life Sciences & Biomedicine
类目[WOS]: Fisheries ; Marine & Freshwater Biology
研究领域[WOS]: Fisheries ; Marine & Freshwater Biology
英文摘要: The feeding habits of the Chinese minnow, Rhynchocypris oxycephalus (Sauvage & Dabry de Thiersant, 1874), were investigated in the Laohegou River, a tributary of the upper Yangtze River, China. A total of 412 specimens were collected by electrofishing in four seasons of 2012, 7 days per season. Diet composition was analyzed according to season, size classes and sex. The Chinese minnow is a generalist omnivorous species, whose diet consists of aquatic insects and plants. Besides algae, Hemiptera, Ephemerida, Trichoptera, Odonata, Diptera were the most dominat food items. The Shannon-Wiener index on diet items showed no significant differences between major food items (p>.05) or between seasons, size classes and sexes. In contrast, fullness index and dietary breadth analysis both indicated significant diet changes between seasons. Consequently, this study provides information on feeding habits of R.oxycephalus, which may be useful in cultivation trials.
关键词[WOS]: DIETARY COMPOSITIONS ; ADRIATIC SEA ; BODY-SIZE ; ECOLOGY ; STREAMS ; FISHES
语种: 英语
项目资助者: Natural Science Foundation of China(41030208) ; Sichuan Nature Conservation Foundation (SNCF) ; Nature Conservancy (TNC)
WOS记录号: WOS:000431653300004
ISSN号: 0175-8659
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/50854
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.Qinzhou Univ, Guangxi Key Lab Beibu Gulf Marine Biodivers Conse, Qinzhou, Peoples R China
2.Chinese Acad Sci, Inst Hydrobiol, Lab Biol Invas & Adapt Evolut, Wuhan, Hubei, Peoples R China
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