{"refrec":{"BRefID":100645,"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). <i>Hydrobiologia 311(1-3)</i>: 115-125. <a href=\"https://dx.doi.org/10.1007/BF00008575\" target=\"_blank\">https://dx.doi.org/10.1007/BF00008575</a>","BEntID":329402,"PublicFlag":1,"CheckedFlag":0,"wosflag":1,"vabbflag":1,"RefStringPartII":". <i>Hydrobiologia 311(1-3)</i>: 115-125. <a href=\"https://dx.doi.org/10.1007/BF00008575\" target=\"_blank\">https://dx.doi.org/10.1007/BF00008575</a>","DocTypID":8,"DocType":"Journal article","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":"AS","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":1,"VlizCoreFlag":1,"WoScode":"WOS:A1995TJ03400011","VABBcode":null,"OpenAcc":0,"DOI":"10.1007/BF00008575"},"refs":null,"anarec":{"AnaID":100645,"PubliDate":1995,"Pagination":"115-125","XtraPublOfAnaID":null,"ISBN":null,"Volume":"311","Issue":"1-3","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":42943,"SerRR":"Hydrobiologia. Springer: The Hague.  ISSN 0018-8158; e-ISSN 1573-5117","StandardTitleSer":"Hydrobiologia","ISSN":"0018-8158","AbbrevSer":"Hydrobiologia","StandardTitleMon":null,"StartPage":115,"Pages":11,"ToPubliDate":null,"BRefBibLvlCode":"S","SerNotes":null},"monrec":null,"serrec":null,"relations":null,"relationsRev":[{"XBRefID":100642,"RefStrFull":"<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. 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