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Distribution, feeding and body condition of four small fish species in the near-shore and central areas of Liangzi Lake, China
Xie, SG; Li, ZJ; Cui, YB; Murphy, BR; Xie, SG, Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Hubei, Peoples R China
2005-11-01
Source PublicationENVIRONMENTAL BIOLOGY OF FISHES
ISSN0378-1909
Volume74Issue:3-4Pages:379-387
AbstractSmall fish abundance is usually high in heavily vegetated habitats in Yangtze lakes, China. Visual and swimming barriers created by dense macrophytes beds could reduce feeding efficiency and growth of small fishes. We tested the hypothesis that small fishes in habitats with dense macrophytes would show decreased feeding efficiency and reduced growth rates by comparing feeding efficiency (measured as the relative weight of fore-gut contents), total length, and condition factor of four small young-of-the-year fishes collected in the near-shore (heavily vegetated) and central (less vegetated) areas of Liangzi Lake. Feeding efficiency, total length, or condition factor were each significantly reduced in the near-shore area compared with the central area for Ctenogobius giurinus, Pseudorasbora parva and Carassius auratus auratus. This supports our hypothesis that vegetation abundance may mediate feeding efficiency and growth of small fishes. Although Hypseleotris swinhonis did not show significant decreases in feeding efficiency or growth in the near-shore area, there was not any reversed tendency, i.e. increased feeding rate or growth in the near-shore area compared to the central area.; Small fish abundance is usually high in heavily vegetated habitats in Yangtze lakes, China. Visual and swimming barriers created by dense macrophytes beds could reduce feeding efficiency and growth of small fishes. We tested the hypothesis that small fishes in habitats with dense macrophytes would show decreased feeding efficiency and reduced growth rates by comparing feeding efficiency (measured as the relative weight of fore-gut contents), total length, and condition factor of four small young-of-the-year fishes collected in the near-shore (heavily vegetated) and central (less vegetated) areas of Liangzi Lake. Feeding efficiency, total length, or condition factor were each significantly reduced in the near-shore area compared with the central area for Ctenogobius giurinus, Pseudorasbora parva and Carassius auratus auratus. This supports our hypothesis that vegetation abundance may mediate feeding efficiency and growth of small fishes. Although Hypseleotris swinhonis did not show significant decreases in feeding efficiency or growth in the near-shore area, there was not any reversed tendency, i.e. increased feeding rate or growth in the near-shore area compared to the central area.
SubtypeArticle
KeywordGut Fullness Growth Vegetation Abundance Yangtze Lakes
DepartmentChinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Hubei, Peoples R China; Virginia Tech, Dept Fisheries & Wildlife Sci, Blacksburg, VA USA
Subject AreaEcology ; Marine & Freshwater Biology
DOI10.1007/s10641-005-2925-x
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine
Indexed BySCI
Language英语
WOS Research AreaEnvironmental Sciences & Ecology ; Marine & Freshwater Biology
WOS SubjectEcology ; Marine & Freshwater Biology
WOS IDWOS:000233732200013
WOS KeywordAMONG-POPULATION VARIABILITY ; LARGEMOUTH BASS ; COMMUNITY STRUCTURE ; BIANDANTANG LAKE ; LITTORAL FISHES ; NORTH TEMPERATE ; HABITAT USE ; GROWTH ; PREY ; BLUEGILLS
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Cited Times:10[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/152342/9090
Collection期刊论文
Corresponding AuthorXie, SG, Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Hubei, Peoples R China
Affiliation1.Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Hubei, Peoples R China
2.Virginia Tech, Dept Fisheries & Wildlife Sci, Blacksburg, VA USA
Recommended Citation
GB/T 7714
Xie, SG,Li, ZJ,Cui, YB,et al. Distribution, feeding and body condition of four small fish species in the near-shore and central areas of Liangzi Lake, China[J]. ENVIRONMENTAL BIOLOGY OF FISHES,2005,74(3-4):379-387.
APA Xie, SG,Li, ZJ,Cui, YB,Murphy, BR,&Xie, SG, Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Hubei, Peoples R China.(2005).Distribution, feeding and body condition of four small fish species in the near-shore and central areas of Liangzi Lake, China.ENVIRONMENTAL BIOLOGY OF FISHES,74(3-4),379-387.
MLA Xie, SG,et al."Distribution, feeding and body condition of four small fish species in the near-shore and central areas of Liangzi Lake, China".ENVIRONMENTAL BIOLOGY OF FISHES 74.3-4(2005):379-387.
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