{"refrec":{"BRefID":99083,"RR":"<b>Roff, J.C.; Turner, J.T.; Webber, M.K.; Hopcroft, R.R.</b> (1995). Bacterivory by tropical copepod nauplii: extent and possible significance. <i>Aquat. Microb. Ecol. 9(2)</i>: 165-175","BEntID":94350,"PublicFlag":1,"CheckedFlag":0,"wosflag":1,"vabbflag":null,"RefStringPartII":". <i>Aquat. Microb. Ecol. 9(2)</i>: 165-175","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Roff, J.C.; Turner, J.T.; Webber, M.K.; Hopcroft, R.R.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Roff, J.C. <i>et al.</i>","Englishabstract":"Copepod nauplii may be an important intermediary between the `microbial' and `classical' pelagic marine food webs. In studies of planktonic food webs, along a trophic gradient from eutrophic harbour through coastal to oligotrophic oceanic waters off Jamaica, West Indies, we investigated bacterivory by nauplii of 11 representative copepod taxa (n = 176 total nauplii) using fluorescently labelled bacteria (FLB) of 0.7 mu m<sup>3</sup> volume at concentrations of 1.5 to 2.5 x 10<sup>6</sup> cells ml<sup>-1</sup>. Seven taxa consistently ingested FLB: <i>Acartia liljeborgii, Paracalanus</i> spp., <i>Temora stylifera, T. turbinata, Oncaea</i> spp., <i>Undinula vulgaris, Oithona</i> spp.; 4 taxa consistently did not: <i>Centropages velificatus, Clausocalanus</i> spp., <i>Euchaeta marina</i>, and <i>Corycaeus</i> spp. These data, and the observations that naupliar moulting and growth rates were uncoupled from chlorophyll a concentrations in any size fraction over the range 0.09 to 4.7 mg m<sup>-3</sup>, suggest that nauplii are not food limited even in oceanic waters. Calculations indicate that daily food requirements of oceanic nauplii can be met from a diet of bacteria and picoplankton, but not from a diet of nano- and net-phytoplankton. Naupliar production in oceanic waters is at least 50 to 60% of copepodite production; it appears therefore that the ecological importance of copepod nauplii in oceanic waters has been greatly underestimated.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Bacterivory by tropical copepod nauplii: extent and possible significance","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":"2006-05-22","DateCreate":"2006-05-22","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:A1995RV02500008","VABBcode":null,"OpenAcc":0},"refs":null,"anarec":{"AnaID":99083,"PubliDate":1995,"Pagination":"165-175","XtraPublOfAnaID":null,"ISBN":null,"Volume":"9","Issue":"2","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":42201,"SerRR":"Aquatic Microbial Ecology. 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