{"refrec":{"BRefID":100642,"RR":"<b>Irigoien, X.; Castel, J.</b> (1995). Feeding rates and productivity of the copepod <i>Acartia bifilosa</i> in a highly turbid estuary; the Gironde (SW France), <b><i>in</i></b>: Heip, C.H.R. <i>et al.</i> <i>Major biological processes in European tidal estuaries. Developments in Hydrobiology,</i> 110: pp. 115-125","BEntID":95842,"PublicFlag":1,"CheckedFlag":0,"wosflag":0,"vabbflag":0,"RefStringPartII":", <b><i>in</i></b>: Heip, C.H.R. <i>et al.</i> <i>Major biological processes in European tidal estuaries. Developments in Hydrobiology,</i> 110: pp. 115-125","DocTypID":17,"DocType":"Book chapters","MarineFlag":1,"FreshFlag":0,"BrackishFlag":1,"TerrestrialFlag":0,"Authorstring":"Irigoien, X.; Castel, J.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Irigoien, X.; Castel, J.","Englishabstract":"<i>Acartia</i> spp. are the dominant copepod species in the Gironde estuary, seaward of the turbidity maximum area. <i>Acartia bifilosa</i> develop a large population in spring and early summer whereas <i>Acartia tonsa</i> appear in late summer. High values and high variability of chlorophyll <i>a</i>/suspended particulate matter ratio are found seaward of the turbidity maximum area. Feeding rates of <i>A. bifilosa</i> were measured by fluorometry. Phytoplankton ingestion was found to be highly variable, between 8 to 80% of copepod carbon body weight. Except for adult females, copepods were heavier in summer than in winter. PB ratios, estimated by the instantaneous growth rate method, varied from 0.03 d<sup>–1</sup> to 0.14 d<sup>–1</sup>. The gut contents and P/B ratios of <i>Acartia bifilosa</i> were related to chl <i>a</i>/SPM ratio. From those data, and a few obtained for A. tonsa, it is concluded that only in summer months phytoplankton ingestion is enough to maintain secondary production.","AbstractOtherLang":null,"BibLvlCode":"AMS","StandardTitle":"Feeding rates and productivity of the copepod <i>Acartia bifilosa</i> in a highly turbid estuary; the Gironde (SW France)","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":1995,"MonPub":null,"DateUpdate":"2021-02-10","DateCreate":"2006-07-13","SecASFANote":null,"ConfID":null,"PeerRev":0,"VlizCoreFlag":1,"WoScode":null,"VABBcode":null,"OpenAcc":0},"refs":null,"anarec":{"AnaID":100642,"PubliDate":1995,"Pagination":"115-125","XtraPublOfAnaID":null,"ISBN":"978-0-7923-3699-0","Volume":"110","Issue":null,"BRefMon":100608,"BRefMonRR":"<b>Heip, C.H.R.; Herman, P.M.J. (Ed.)</b> (1995). Major biological processes in European tidal estuaries. <i>Developments in Hydrobiology</i>, 110. Kluwer Academic: Dordrecht. ISBN 978-0-7923-3699-0. VIII, 276 pp.","BRefXtra":null,"BRefXtraRR":null,"SerBRefID":7270,"SerRR":"<b>Dumont, H.J. (Ed.)</b> Developments in Hydrobiology. Kluwer Academic/Springer: The Hague; London; Boston; Dordrecht.  ISSN 0167-8418","StandardTitleSer":"Developments in Hydrobiology","ISSN":"0167-8418","AbbrevSer":"Dev. Hydrobiol.","StandardTitleMon":"Major biological processes in European tidal estuaries","StartPage":115,"Pages":11,"ToPubliDate":null,"BRefBibLvlCode":"MS","SerNotes":"Enkel nog digitaal bewaard","AutString":"Heip, C.H.R.; Herman, P.M.J. (Ed.)"},"monrec":null,"serrec":null,"relations":[{"YBRefID":100645,"RefStrFull":"<b>Irigoien, X.; Castel, J.</b> (1995). 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