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题名: Feeding habits and predator-prey size relationships of mandarin fish Siniperca chuatsi (Basilewsky) in a shallow lake, central China
作者: Li, W.1, 2; Zhang, T.1; Ye, S.1; Liu, J.1; Li, Z.1
通讯作者: Zhang, T (reprint author), Chinese Acad Sci, State Key Lab Freshwater Ecol & Biotechnol, Inst Hydrobiol, Wuhan 430072, Peoples R China.
关键词: PISCIVOROUS FISH ; DIET ; POPULATIONS ; COMMUNITY ; SELECTION ; DYNAMICS ; RELEASE ; PERCH
刊名: JOURNAL OF APPLIED ICHTHYOLOGY
发表日期: 2013-02-01
DOI: 10.1111/j.1439-0426.2012.02044.x
卷: 29, 期:1, 页:56-63
收录类别: SCI
文章类型: Article
部门归属: [Li, W.; Zhang, T.; Ye, S.; Liu, J.; Li, Z.] Chinese Acad Sci, State Key Lab Freshwater Ecol & Biotechnol, Inst Hydrobiol, Wuhan 430072, Peoples R China; [Li, W.] Chinese Acad Sci, Grad Univ, Beijing, Peoples R China
WOS标题词: Science & Technology ; Life Sciences & Biomedicine
资助者: National Natural Science Foundation of China [30830025, 30970553]; Special Fund for Agro-scientific Research in the Public Interest [200903048-04]; R and D Project of the Ministry of Science and Technology of China [2012BAD25B05, 2012BAD25B08]
类目[WOS]: Fisheries ; Marine & Freshwater Biology
研究领域[WOS]: Fisheries ; Marine & Freshwater Biology
摘要: The diet and predator-prey size relationships of mandarin fish Siniperca chuatsi (Basilewsky) in Lake Xiaosihai along the middle reach of the Yangtze River were studied through stomach content analysis. A total of 401 specimens (91539 mm total length) were collected in 2007. The diet was dominated by topmouth gudgeon Pseudorasbora parva, sharpbelly Hemiculter leucisculus, redfin culter Cultrichthys erythropterus, and crucian carp Carassius auratus, with significant seasonal and ontogenetic differences. Ontogenetic variation in diet was apparent that larger prey items such as crucian carp and redfin culter became more common, while smaller prey such as topmouth gudgeon, bitterlings and shrimps gradually declined in the larger fish. Mandarin fish total length (TL) was strongly related to mouth gape width (GW) and gape height (GH). Mandarin fish TL and prey fish TL as well as mandarin fish GW and prey fish body depth (BD) were positively and linearly related for sharpbelly, redfin culter and crucian carp. Strong size selectivity for topmouth gudgeon, sharpbelly and redfin culter as prey indicated that the piscivorous mandarin fish can have potential impact on the population size structure of the three prey fish.
英文摘要: The diet and predator-prey size relationships of mandarin fish Siniperca chuatsi (Basilewsky) in Lake Xiaosihai along the middle reach of the Yangtze River were studied through stomach content analysis. A total of 401 specimens (91539 mm total length) were collected in 2007. The diet was dominated by topmouth gudgeon Pseudorasbora parva, sharpbelly Hemiculter leucisculus, redfin culter Cultrichthys erythropterus, and crucian carp Carassius auratus, with significant seasonal and ontogenetic differences. Ontogenetic variation in diet was apparent that larger prey items such as crucian carp and redfin culter became more common, while smaller prey such as topmouth gudgeon, bitterlings and shrimps gradually declined in the larger fish. Mandarin fish total length (TL) was strongly related to mouth gape width (GW) and gape height (GH). Mandarin fish TL and prey fish TL as well as mandarin fish GW and prey fish body depth (BD) were positively and linearly related for sharpbelly, redfin culter and crucian carp. Strong size selectivity for topmouth gudgeon, sharpbelly and redfin culter as prey indicated that the piscivorous mandarin fish can have potential impact on the population size structure of the three prey fish.
关键词[WOS]: PISCIVOROUS FISH ; DIET ; POPULATIONS ; COMMUNITY ; SELECTION ; DYNAMICS ; RELEASE ; PERCH
语种: 英语
项目资助者: National Natural Science Foundation of China(30830025 ; Special Fund for Agro-scientific Research in the Public Interest(200903048-04) ; R and D Project of the Ministry of Science and Technology of China(2012BAD25B05 ; 30970553) ; 2012BAD25B08)
WOS记录号: WOS:000313553400010
ISSN号: 0175-8659
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/19304
Appears in Collections:淡水生态学研究中心_期刊论文

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作者单位: 1.Chinese Acad Sci, State Key Lab Freshwater Ecol & Biotechnol, Inst Hydrobiol, Wuhan 430072, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing, Peoples R China
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