{"refrec":{"BRefID":200867,"RR":"<b>Oeberst, R.; Klenz, B.; Gröhsler, T.; Dickey-Collas, M.; Nash, R.D.M.; Zimmermann, C.</b> (2009). When is year-class strenght determined in western Baltic herring? <i>ICES J. Mar. Sci./J. Cons. int. Explor. Mer 66(8)</i>: 1667-1672","BEntID":193124,"PublicFlag":1,"CheckedFlag":0,"wosflag":1,"vabbflag":null,"RefStringPartII":" <i>ICES J. Mar. Sci./J. Cons. int. Explor. Mer 66(8)</i>: 1667-1672","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Oeberst, R.; Klenz, B.; Gröhsler, T.; Dickey-Collas, M.; Nash, R.D.M.; Zimmermann, C.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Oeberst, R. <i>et al.</i>","Englishabstract":"Weekly surveys of larvae in the Strelasund and the Greifswalder Bodden were used to investigate when year-class strength is determined in western Baltic spring-spawning (WBSS) herring. An abundance metric of larvae reaching a length of 20 mm over the entire spawning season was constructed by accounting for increases in daily growth resulting from seasonal increases in temperature (5–20°C). The index was significantly correlated with the acoustic estimates of age-1 herring in the western Baltic  Sea (<em>r</em> = 0.88) and with the estimates of year-class strength obtained from stock assessment (<em>r</em> = 0.65). Previous studies of herring elsewhere have reported that year-class strength is determined during the late larval stage, but we show that year-class strength can already be fixed at a larval length of only 20 mm. Although the index obtained may be used in stock assessment and predictions, the intriguing question remains, namely how can the signal of larval productivity from one single spawning component of WBSS herring reflect the year-class dynamics of the entire stock?","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"When is year-class strenght determined in western Baltic herring?","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2025-07-02 08:33:14.980000","timezone_type":1,"timezone":"+00:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":null,"OtherDescriptors":null,"Notes":null,"AnaPub":2009,"MonPub":null,"DateUpdate":"2010-12-14","DateCreate":"2010-12-14","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":null,"VABBcode":null,"OpenAcc":1},"refs":null,"anarec":{"AnaID":200867,"PubliDate":2009,"Pagination":"1667-1672","XtraPublOfAnaID":null,"ISBN":null,"Volume":"66","Issue":"8","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":44710,"SerRR":"ICES Journal of Marine Science. 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