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Diet of farm-escaped sturgeon in the Yangtze River

文献类型：期刊论文

作者Li, Wei1,2,3; Zhu, Bin2,3; Li, Cheng Cheng2,3
刊名JOURNAL OF APPLIED ICHTHYOLOGY
出版日期2019-08-01
卷号35期号:4页码:831-834
关键词diet composition escaped sturgeon prey species Yangtze River
ISSN号0175-8659
DOI10.1111/jai.13924
英文摘要

The diet of farm-escaped sturgeon accidentally introduced into the Yangtze River ecosystem was investigated from samples collected over 10 days. The fish had consumed adequate quantities of natural food, with prey type related to fish body size. The fish were categorized according to their primary dietary component: demersal fish were most common prey of kaluga Huso dauricus and H. dauricus x Acipenser schrenckii hybrids of total length 120.3-188.7 cm. Shrimp Macrobrachium nipponensis made up the major portion of the diet of H. dauricus x A. schrenckii and Acipenser baerii x A. schrenckii of total length 91.1-106.8 cm. Gammarid amphipods were consumed by A. baerii x A. schrenckii of total length 35.0-81.2 cm. The body length of prey was proportional to the fork length of the sturgeon, Y = 0.19X-9.46, R-2 = 0.997. Escaped sturgeon had travelled at least 898 km downstream from the point of escape in the Yangtze River and were feeding on native macrobenthos and demersal fish.

WOS关键词BIOLOGY
资助项目Central Public-interest Scientific Institution Basal Research Fund[CKSF2019172/SH] ; Key Technology Application and Demonstration of Water Conservation Society Innovation Pilot In Jinhua, Zhejiang[SF-201801] ; National Key R&D Program of China[2018YFC0407603]
WOS研究方向Fisheries ; Marine & Freshwater Biology
语种英语
WOS记录号WOS:000476771800003
出版者WILEY
资助机构Central Public-interest Scientific Institution Basal Research Fund ; Central Public-interest Scientific Institution Basal Research Fund ; Central Public-interest Scientific Institution Basal Research Fund ; Central Public-interest Scientific Institution Basal Research Fund ; Central Public-interest Scientific Institution Basal Research Fund ; Central Public-interest Scientific Institution Basal Research Fund ; Central Public-interest Scientific Institution Basal Research Fund ; Central Public-interest Scientific Institution Basal Research Fund ; Key Technology Application and Demonstration of Water Conservation Society Innovation Pilot In Jinhua, Zhejiang ; Key Technology Application and Demonstration of Water Conservation Society Innovation Pilot In Jinhua, Zhejiang ; Key Technology Application and Demonstration of Water Conservation Society Innovation Pilot In Jinhua, Zhejiang ; Key Technology Application and Demonstration of Water Conservation Society Innovation Pilot In Jinhua, Zhejiang ; 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源URL[http://ir.ihb.ac.cn/handle/342005/32119]  
专题水生生物研究所_其他_期刊论文
通讯作者Li, Wei
作者单位1.Changjiang River Sci Res Inst, 23th Huang Pu Ave, Wuhan 430010, Hubei, Peoples R China
2.Minist Water Resources, Inst Hydroecol, Wuhan, Hubei, Peoples R China
3.Chinese Acad Sci, Wuhan, Hubei, Peoples R China
推荐引用方式
GB/T 7714		 Li, Wei,Zhu, Bin,Li, Cheng Cheng. Diet of farm-escaped sturgeon in the Yangtze River[J]. JOURNAL OF APPLIED ICHTHYOLOGY,2019,35(4):831-834.
APA Li, Wei,Zhu, Bin,&Li, Cheng Cheng.(2019).Diet of farm-escaped sturgeon in the Yangtze River.JOURNAL OF APPLIED ICHTHYOLOGY,35(4),831-834.
MLA Li, Wei,et al."Diet of farm-escaped sturgeon in the Yangtze River".JOURNAL OF APPLIED ICHTHYOLOGY 35.4(2019):831-834.

入库方式： OAI收割

来源：水生生物研究所

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