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Dietary-morphological relationships of fishes in Liangzi Lake, China
S. Xie; Y. Cui and Z. Li; Xie, S, Acad Sinica, Inst Oceanol, 7 Nanhai Rd, Qingdao 266071, Peoples R China
2001
Source PublicationJOURNAL OF FISH BIOLOGY
Volume58Issue:6Pages:1714-1729
AbstractSpecies in Liangzi Lake were clustered into four trophic groups: Hemiramphus kurumeus and Hemiculter bleekeri bleekeri fed predominantly on terrestrial insects; Carassius auratus auratus and Abbottina rivularis on non-animal food; Hypseleotris swinhonis, Ctenogobius giurinus, Pseudorasbora parva and Toxabramis swinhonis on cladocerans or copepods; Culterichthys erythropterus on decapod shrimps. Gut length, mouth width, mouth height, gill raker length and gill raker spacing, varied widely among species. With the exception of three species pairs (H. swinhonis, C. glurinus; C. erythropterus, H. kurumeus; T. swinhonis, H. bleekeri bleekeri), principal components analysis of morphological variables revealed over-dispersion of species. Canonical correspondence analysis of dietary and morphological data revealed five significant dietary-morphological correlations. The first three roots explained > 85% of the total variance. The first root reflected mainly the relationship of gut length to non-animal feud, with an increase in gut length associated with an increase in non-animal food. The second root was influenced strongly by the relationship of the gill raker spacing to consumption of copepods, with an increase in gill raker spacing associated positively with copepods in the diet. The third root was influenced by the relationship of mouth gape to consumption of fish and decapod shrimps, with an increase in mouth gape associated with more fish and decapod shrimps in the diet. These significant dietary-morphological relationships supported the eco-morphological hypotheses that fish morphology influence food use, and morphological variation is important in determining ecological segregation of co-existing fish species. (C) 2001 The Fisheries Society of the British Isles.
KeywordDiet Morphology Resource Partitioning Liangzi Lake
DepartmentChinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Hubei, Peoples R China
Subject AreaFisheries ; Marine & Freshwater Biology
Indexed BySCI
WOS IDWOS:000169579500019
Citation statistics
Cited Times:25[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/152342/9978
Collection期刊论文
Corresponding AuthorXie, S, Acad Sinica, Inst Oceanol, 7 Nanhai Rd, Qingdao 266071, Peoples R China
Recommended Citation
GB/T 7714
S. Xie,Y. Cui and Z. Li,Xie, S, Acad Sinica, Inst Oceanol, 7 Nanhai Rd, Qingdao 266071, Peoples R China. Dietary-morphological relationships of fishes in Liangzi Lake, China[J]. JOURNAL OF FISH BIOLOGY,2001,58(6):1714-1729.
APA S. Xie,Y. Cui and Z. Li,&Xie, S, Acad Sinica, Inst Oceanol, 7 Nanhai Rd, Qingdao 266071, Peoples R China.(2001).Dietary-morphological relationships of fishes in Liangzi Lake, China.JOURNAL OF FISH BIOLOGY,58(6),1714-1729.
MLA S. Xie,et al."Dietary-morphological relationships of fishes in Liangzi Lake, China".JOURNAL OF FISH BIOLOGY 58.6(2001):1714-1729.
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