{"refrec":{"BRefID":98343,"RR":"<b>De Troch, M.; Steinarsdóttir, M.B.; Chepurnov, V.; Ólafsson, E.</b> (2005). Grazing on diatoms by harpacticoid copepods: species-specific density-dependent uptake and microbial gardening. <i>Aquat. Microb. Ecol. 39(2)</i>: 135-144. <a href=\"http://dx.doi.org/10.3354/ame039135\" target=\"_blank\">dx.doi.org/10.3354/ame039135</a>","BEntID":93696,"PublicFlag":1,"CheckedFlag":0,"wosflag":1,"vabbflag":null,"RefStringPartII":". <i>Aquat. Microb. Ecol. 39(2)</i>: 135-144. <a href=\"https://dx.doi.org/10.3354/ame039135\" target=\"_blank\">https://dx.doi.org/10.3354/ame039135</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"De Troch, M.; Steinarsdóttir, M.B.; Chepurnov, V.; Ólafsson, E.","OrigTitleTranslFlag":0,"Authorstringtrunc":"De Troch, M. <i>et al.</i>","Englishabstract":"Four common intertidal harpacticoid species (<I>Paramphiascella fulvofasciata</I>, <I>Tigriopus brevicornis</I>, <I>Nitocra spinipes</I> and <I>Harpacticus obscurus</I>) were offered pelagic diatoms (<I>Phaeodactylum tricornutum</I>) as food in  laboratory experiments. To ensure generality we used copepod species originating from diverse habitats with different ecological characteristics. The diatoms were enriched in the stable carbon <sup>13</sup>C isotope to facilitate tracing in the  harpacticoids. Uptake of diatoms was clearly species-specific and in general <I>P. fulvofasciata</I> was more efficient than the other species. We found significant uptake by 24 h of incubation for <I>T. brevicornis</I>.  From 24 h onwards we found an  increase for all 3 species. Species had similar d<sup>13</sup>C values before and after starvation, indicating that labeled material was efficiently assimilated in their tissues. We tested whether diatom assimilation is density-dependent and this  was true for 2 species (<I>N. spinipes</I> and <I>P. fulvofasciata</I>) but not for the semi-pelagic <I>T. brevicornis</I>. Finally, a positive effect of faecal pellets on food uptake for the less mobile species was shown, indicating that microbial  gardening occurs within benthic harpacticoids as it does for several other crustacean species.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Grazing on diatoms by harpacticoid copepods: species-specific density-dependent uptake and microbial gardening","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2024-12-10 01:33:17.368041","timezone_type":1,"timezone":"+01:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":"copepoda; diatoms; grazing; assimilation; stable isotopes","OtherDescriptors":null,"Notes":null,"AnaPub":2005,"MonPub":null,"DateUpdate":"2017-02-06","DateCreate":"2006-04-27","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000229867200003","VABBcode":null,"OpenAcc":1,"DOI":"10.3354/ame039135"},"refs":null,"anarec":{"AnaID":98343,"PubliDate":2005,"Pagination":"135-144","XtraPublOfAnaID":null,"ISBN":null,"Volume":"39","Issue":"2","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":42201,"SerRR":"Aquatic Microbial Ecology. 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