{"refrec":{"BRefID":119385,"RR":"<b>Viegas, I.; Martinho, F.; Neto, J.M.; Pardal, M.</b> (2007). Population dynamics, distribution and secondary production of the brown shrimp <i>Crangon crangon</i> (L.) in a southern European estuary: latitudinal variations. <i>Sci. Mar. (Barc.) 71(3)</i>: 451-460. <a href=\"https://dx.doi.org/10.3989/scimar.2007.71n3451\" target=\"_blank\">https://dx.doi.org/10.3989/scimar.2007.71n3451</a>","BEntID":113631,"PublicFlag":1,"CheckedFlag":0,"wosflag":1,"vabbflag":null,"RefStringPartII":". <i>Sci. Mar. (Barc.) 71(3)</i>: 451-460. <a href=\"https://dx.doi.org/10.3989/scimar.2007.71n3451\" target=\"_blank\">https://dx.doi.org/10.3989/scimar.2007.71n3451</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Viegas, I.; Martinho, F.; Neto, J.M.; Pardal, M.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Viegas, I. <i>et al.</i>","Englishabstract":"The population structure, growth, distribution and secondary production of the brown shrimp <i>Crangon crangon</i> (L. 1758) were examined between June 2003 and August 2005 at five stations in the Mondego Estuary, Portugal, using a 2-m beam trawl. Occurrence of immature shrimps suggested almost continuous reproduction with two main recruitment periods in November and March/April; this recruitment pattern is unique and represents a latitudinal transition in the species’ life cycle. Severe drought in winter 2004 caused spatial shifts along the north arm of the estuary regarding post-larval settlement in spring 2005. Mean growth of all cohorts was 0.06 mm TL day<sup>-1</sup>, much lower than rates calculated elsewhere. Secondary production (P) of <i>C. crangon</i> was estimated at 4.6 mg AFDW m<sup>-2</sup> y<sup>-1</sup> (P/B– ratio of 8.7) in 2003/2004 and at 2.4 mg AFDW m<sup>-2</sup> y<sup>-1</sup> (P/B– ratio of 10.9) in 2004/2005. High abundances of individuals, predominantly juveniles, were observed in spring/summer with peaks in June 2003, April 2004 and July 2005. This study shows that this species dynamics must be analysed in a latitudinal context, meaning that the contribution of each component of the systems can vary according to environmental and climate variables.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Population dynamics, distribution and secondary production of the brown shrimp <i>Crangon crangon</i> (L.) in a southern European estuary: latitudinal variations","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2026-06-14 01:31:15.734984","timezone_type":1,"timezone":"+02:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":"Crangon crangon, Mondego estuary, population dynamics, secondary production, latitudinal variations","OtherDescriptors":null,"Notes":null,"AnaPub":2007,"MonPub":null,"DateUpdate":"2017-03-06","DateCreate":"2008-02-04","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000250813900004","VABBcode":null,"OpenAcc":1,"DOI":"10.3989/scimar.2007.71n3451"},"refs":null,"anarec":{"AnaID":119385,"PubliDate":2007,"Pagination":"451-460","XtraPublOfAnaID":null,"ISBN":null,"Volume":"71","Issue":"3","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":43791,"SerRR":"Scientia Marina (Barcelona). 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