{"refrec":{"BRefID":20320,"RR":"<b>Morita, K.; Matsuishi, T.</b> (2001). A new model of growth back-calculation incorporating age effect based on otoliths. <i>Can. J. Fish. Aquat. Sci. 58(9)</i>: 1805-1811","BEntID":20320,"PublicFlag":1,"CheckedFlag":0,"wosflag":1,"vabbflag":null,"RefStringPartII":". <i>Can. J. Fish. Aquat. Sci. 58(9)</i>: 1805-1811","DocTypID":8,"DocType":"Journal article","MarineFlag":0,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Morita, K.; Matsuishi, T.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Morita, K.; Matsuishi, T.","Englishabstract":"We developed a simple back-calculation model that includes the age effect in which otolith size increases continuously during no-growth periods. To evaluate the validity of our proposed model, we back-calculated the past fish lengths and growth rates using the new model and seven traditional back-calculation models (scale-proportional hypothesis (SPH), body-proportional hypothesis (BPH), Fraser-Lee, biological intercept, nonlinear SPH, nonlinear BPH, and modified Fry) using the otoliths of individually tag-recaptured white-spotted char (<i>Salvelinus leucomaenis</i>). The estimated fish lengths corresponded well to observed fish lengths for simple traditional (SPH, BPH, and Fraser-Lee) and the new models. However, the back-calculated growth rates did not correspond to observed growth rates except for the new model. All previous models had considerable bias; growth rates of slow-growing fish were overestimated. As our model incorporating the age effect did not show such bias, this bias would be attributed to the age effect. Our proposed back-calculation model incorporating the age effect should be useful to estimate past growth rates at the individual level.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"A new model of growth back-calculation incorporating age effect based on otoliths","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2024-12-10 01:33:01.897972","timezone_type":1,"timezone":"+01:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":null,"OtherDescriptors":"SOMATIC GROWTH, FISH, LEUCOMAENIS, AURATUS, WEIGHT, SALMON, SCALES, SIZE","Notes":null,"AnaPub":2001,"MonPub":null,"DateUpdate":"2001-11-14","DateCreate":"2001-11-14","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000170811300011","VABBcode":null,"OpenAcc":0},"refs":null,"anarec":{"AnaID":20320,"PubliDate":2001,"Pagination":"1805-1811","XtraPublOfAnaID":null,"ISBN":null,"Volume":"58","Issue":"9","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":42535,"SerRR":"Canadian Journal of Fisheries and Aquatic Sciences = Journal canadien des sciences halieutiques et aquatiques. 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