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学科主题: Ecology; Marine & Freshwater Biology
题名: Physiological advantages may contribute to successful invasion of the exotic Cyprinus carpio into the Xingyun Lake, China
作者: Jia, Yanju1, 2; Chen, Yifeng1; Xie, Shouqi1; Yang, Yunxia1
通讯作者: Chen, YF, Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China
关键词: biological invasion ; Cyprinus carpio ; Cyprinus pellegrini ; food utilization efficiency ; growth ; physiological characteristics
刊名: ENVIRONMENTAL BIOLOGY OF FISHES
发表日期: 2008-04-01
DOI: 10.1007/s10641-007-9242-5
卷: 81, 期:4, 页:457-463
收录类别: SCI
文章类型: Article
部门归属: [Jia, Yanju; Chen, Yifeng; Xie, Shouqi; Yang, Yunxia] Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China; [Jia, Yanju] Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
WOS标题词: Science & Technology ; Life Sciences & Biomedicine
类目[WOS]: Ecology ; Marine & Freshwater Biology
研究领域[WOS]: Environmental Sciences & Ecology ; Marine & Freshwater Biology
摘要: Feeding and growth traits of Cyprinus carpio and Cyprinus pellegrini (both at age-0) were compared in three experiment, in an attempt to analyze potential causes for the displacement of the native C. pellegrini in the Xingyun Lake, Yuxi, Yunan, China. Experiment I was conducted in water which fluctuated between 15 and 20 degrees C. Experiment II and III were conducted in a laboratory and water temperature was maintained between 20 degrees C and 25 degrees C, respectively. Three common trends were noted for all three experiments: (1) feeding rate of C. carpio was lower than that of C. pellegrini, and this difference was found to be significant in experiment I; (2) growth rate of C. carpio was higher than C. pellegrini, and the difference was found to be significant in experiment II; (3) food conversion efficiency and energy retention efficiency for C. carpio were higher than those of C. pellegrini, and significant differences were noted in experiment I and II. Since the growth period for fish in the Xingyun Lake generally occurs when water temperatures are between 15 and 25 degrees C, it can be suggested that C. carpio has advantages over C. pellegrini in growth and food utilization efficiency, and lower food consumption than C. pellegrini. These physiological traits of C. carpio might allow this species to be more resistant to food shortage and predation, and may be partially responsible for the displacement of C. pellegrini by C. carpio.
英文摘要: Feeding and growth traits of Cyprinus carpio and Cyprinus pellegrini (both at age-0) were compared in three experiment, in an attempt to analyze potential causes for the displacement of the native C. pellegrini in the Xingyun Lake, Yuxi, Yunan, China. Experiment I was conducted in water which fluctuated between 15 and 20 degrees C. Experiment II and III were conducted in a laboratory and water temperature was maintained between 20 degrees C and 25 degrees C, respectively. Three common trends were noted for all three experiments: (1) feeding rate of C. carpio was lower than that of C. pellegrini, and this difference was found to be significant in experiment I; (2) growth rate of C. carpio was higher than C. pellegrini, and the difference was found to be significant in experiment II; (3) food conversion efficiency and energy retention efficiency for C. carpio were higher than those of C. pellegrini, and significant differences were noted in experiment I and II. Since the growth period for fish in the Xingyun Lake generally occurs when water temperatures are between 15 and 25 degrees C, it can be suggested that C. carpio has advantages over C. pellegrini in growth and food utilization efficiency, and lower food consumption than C. pellegrini. These physiological traits of C. carpio might allow this species to be more resistant to food shortage and predation, and may be partially responsible for the displacement of C. pellegrini by C. carpio.
关键词[WOS]: ENERGY ACQUISITION RATES ; INTRINSIC GROWTH ; MENIDIA-MENIDIA ; BROWN TROUT ; TRADE-OFFS ; ECOSYSTEMS ; COMPETITION ; EVOLUTION ; HISTORY ; FISH
语种: 英语
WOS记录号: WOS:000253525100013
ISSN号: 0378-1909
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/152342/8254
Appears in Collections:中科院水生所知识产出(2009年前)_期刊论文

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作者单位: 1.Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China

Recommended Citation:
Jia, Yanju; Chen, Yifeng; Xie, Shouqi; Yang, Yunxia.Physiological advantages may contribute to successful invasion of the exotic Cyprinus carpio into the Xingyun Lake, China,ENVIRONMENTAL BIOLOGY OF FISHES,2008,81(4):457-463
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