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Growth and food availability of silver and bighead carps: evidence from stable isotope and gut content analysis
Zhou, Qiong1,2; Xie, Ping1; Xu, Jun1; Ke, Zhixin3; Guo, Longgen1; Xie, P, Wuhan Univ, Donghu Expt Stn Lake Ecosyst, State Key Lab Freshwater Ecol & Biotechnol China, Chinese Acad Sci,Inst Hydrobiol, Wuhan 430072, Peoples R China
2009-09-30
Source PublicationAQUACULTURE RESEARCH
ISSN1355-557X
Volume40Issue:14Pages:1616-1625
AbstractA 2-year investigation of growth and food availability of silver carp and bighead was carried out using stable isotope and gut content analysis in a large pen in Meiliang Bay of Lake Taihu, China. Both silver carp and bighead exhibited significantly higher delta 13C in 2005 than in 2004, which can probably be attributed to two factors: (i) the difference between isotopic compositions at the base of the pelagic food web and (ii) the difference between the compositions of prey items and stable isotopes. The significantly positive correlations between body length, body weight and stable isotope ratios indicated that isotopic changes in silver carp and bighead resulted from the accumulation of biomass concomitant with rapid growth. Because of the drastic decrease in zooplankton in the diet in 2005, silver carp and bighead grew faster in 2004 than in 2005. Bighead carp showed a lower trophic level than silver carp in 2005 as indicated by stable nitrogen isotope ratios, which was possibly explained by the interspecific difference between the prey species and the food quality of silver carp and bighead.; A 2-year investigation of growth and food availability of silver carp and bighead was carried out using stable isotope and gut content analysis in a large pen in Meiliang Bay of Lake Taihu, China. Both silver carp and bighead exhibited significantly higher delta 13C in 2005 than in 2004, which can probably be attributed to two factors: (i) the difference between isotopic compositions at the base of the pelagic food web and (ii) the difference between the compositions of prey items and stable isotopes. The significantly positive correlations between body length, body weight and stable isotope ratios indicated that isotopic changes in silver carp and bighead resulted from the accumulation of biomass concomitant with rapid growth. Because of the drastic decrease in zooplankton in the diet in 2005, silver carp and bighead grew faster in 2004 than in 2005. Bighead carp showed a lower trophic level than silver carp in 2005 as indicated by stable nitrogen isotope ratios, which was possibly explained by the interspecific difference between the prey species and the food quality of silver carp and bighead.
SubtypeArticle
KeywordSilver Carp Bighead Carp Stable Isotope Gut Content Growth Food Availability
Department[Zhou, Qiong; Xie, Ping; Xu, Jun; Guo, Longgen] Wuhan Univ, Donghu Expt Stn Lake Ecosyst, State Key Lab Freshwater Ecol & Biotechnol China, Chinese Acad Sci,Inst Hydrobiol, Wuhan 430072, Peoples R China; [Zhou, Qiong] Chinese Acad Sci, Grad Sch, Beijing, Peoples R China; [Ke, Zhixin] Chinese Acad Sci, S China Sea Inst Oceanol, Guangzhou, Guangdong, Peoples R China
Subject AreaFisheries
DOI10.1111/j.1365-2109.2009.02262.x
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine
Funding OrganizationMinistry of Science and Technology of the People's Republic of China [2007BAC26B02] ; Ministry of Science and Technology of the People's Republic of China [2007BAC26B02] ; Ministry of Science and Technology of the People's Republic of China [2007BAC26B02] ; Ministry of Science and Technology of the People's Republic of China [2007BAC26B02]
Indexed BySCI
Language英语
WOS Research AreaFisheries
WOS SubjectFisheries
WOS IDWOS:000270124500006
WOS KeywordHYPOPHTHALMICHTHYS-MOLITRIX VAL ; ARISTICHTHYS-NOBILIS RICH ; SHRIMP PENAEUS-AZTECUS ; PROTEIN-TURNOVER ; TROPHIC POSITION ; ORGANIC-MATTER ; WEB STRUCTURE ; GEORGES BANK ; CARBON ; NITROGEN
Funding OrganizationMinistry of Science and Technology of the People's Republic of China [2007BAC26B02] ; Ministry of Science and Technology of the People's Republic of China [2007BAC26B02] ; Ministry of Science and Technology of the People's Republic of China [2007BAC26B02] ; Ministry of Science and Technology of the People's Republic of China [2007BAC26B02]
Citation statistics
Cited Times:21[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/152342/7580
Collection期刊论文
Corresponding AuthorXie, P, Wuhan Univ, Donghu Expt Stn Lake Ecosyst, State Key Lab Freshwater Ecol & Biotechnol China, Chinese Acad Sci,Inst Hydrobiol, Wuhan 430072, Peoples R China
Affiliation1.Wuhan Univ, Donghu Expt Stn Lake Ecosyst, State Key Lab Freshwater Ecol & Biotechnol China, Chinese Acad Sci,Inst Hydrobiol, Wuhan 430072, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing, Peoples R China
3.Chinese Acad Sci, S China Sea Inst Oceanol, Guangzhou, Guangdong, Peoples R China
Recommended Citation
GB/T 7714
Zhou, Qiong,Xie, Ping,Xu, Jun,et al. Growth and food availability of silver and bighead carps: evidence from stable isotope and gut content analysis[J]. AQUACULTURE RESEARCH,2009,40(14):1616-1625.
APA Zhou, Qiong,Xie, Ping,Xu, Jun,Ke, Zhixin,Guo, Longgen,&Xie, P, Wuhan Univ, Donghu Expt Stn Lake Ecosyst, State Key Lab Freshwater Ecol & Biotechnol China, Chinese Acad Sci,Inst Hydrobiol, Wuhan 430072, Peoples R China.(2009).Growth and food availability of silver and bighead carps: evidence from stable isotope and gut content analysis.AQUACULTURE RESEARCH,40(14),1616-1625.
MLA Zhou, Qiong,et al."Growth and food availability of silver and bighead carps: evidence from stable isotope and gut content analysis".AQUACULTURE RESEARCH 40.14(2009):1616-1625.
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