{"refrec":{"BRefID":134908,"RR":"<b>Van Colen, C.; Lenoir, J.; De Backer, A.; Vanelslander, B.; Vincx, M.; Degraer, S.; Ysebaert, T.J.</b> (2009). Settlement of <i>Macoma balthica</i> larvae in response to benthic diatom films, <b><i>in</i></b>: Van Colen, C. <i>Tidal flat macrobenthos ecology, recolonisation and succession = Ecologie, herkolonisatie en successie van het macrobenthos in slikken.</i> pp. 177-197","BEntID":307013,"PublicFlag":1,"CheckedFlag":1,"wosflag":0,"vabbflag":0,"RefStringPartII":", <b><i>in</i></b>: Van Colen, C. <i>Tidal flat macrobenthos ecology, recolonisation and succession = Ecologie, herkolonisatie en successie van het macrobenthos in slikken.</i> pp. 177-197","DocTypID":17,"DocType":"Book chapters","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Van Colen, C.; Lenoir, J.; De Backer, A.; Vanelslander, B.; Vincx, M.; Degraer, S.; Ysebaert, T.J.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Van Colen, C. <i>et al.</i>","Englishabstract":"The role of multi-species benthic diatom films (BDF) in the settlement of late pediveliger larvae of the bivalve <i>Macoma balthica</i> was investigated in still-water bioassays and multiple choice flume experiments. Axenic diatom cultures that were isolated from a tidal mudflat inhabited by <i>M. balthica</i> were selected to develop BDF sediment treatments characterized by a different community structure, biomass, and amount of extracellular polymeric substances (EPS). Control sediments had no added diatoms. Although all larvae settled and initiated burrowing within the first minute after their addition in still water, regardless of treatment, only 48-52% had completely penetrated the high diatom biomass treatments after 5 min, while on average 80 and 69% of the larvae had settled and burrowed into the control sediments and BDF with a low diatom biomass (3.5 µg Chl <i>a</i> g<sup>1</sup> dry sediment), respectively. The percentage of larvae settling and burrowing into the sediment was negatively correlated with the concentration of Chl <i>a</i> and EPS of the BDF. This suggests higher physical resistance to bivalve penetration by the BDF with higher diatom biomass and more associated sugar and protein compounds. The larval settlement rate in annular flume experiments at flow velocities of 5 and 15cm s<sup>1</sup> was distinctly lower compared to the still-water assays. Only 4.6-5.8% of the larvae were recovered from BDF and control sediments after 3h. Nonetheless, a clear settlement preference was observed for BDF in the flume experiments; i.e., larvae settled significantly more in BDF compared to control sediments irrespective of flow speed. Comparison with the settlement of polystyrene mimics and freeze-killed larvae led to the conclusion that active selection, active secondary dispersal and, at low flow velocities (5cm s<sup>1</sup>), passive adhesion to the sediment are important mechanisms determining the settlement of <i>M. balthica</i> larvae in estuarine biofilms.","AbstractOtherLang":null,"BibLvlCode":"AM","StandardTitle":"Settlement of <i>Macoma balthica</i> larvae in response to benthic diatom films","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2025-07-02 08:58:19.190595","timezone_type":1,"timezone":"+02:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":null,"OtherDescriptors":null,"Notes":null,"AnaPub":2009,"MonPub":null,"DateUpdate":"2019-08-29","DateCreate":"2009-05-05","SecASFANote":null,"ConfID":null,"PeerRev":0,"VlizCoreFlag":1,"WoScode":null,"VABBcode":null,"OpenAcc":1},"refs":null,"anarec":{"AnaID":134908,"PubliDate":2009,"Pagination":"177-197","XtraPublOfAnaID":null,"ISBN":"978-90-902416-6-1","Volume":null,"Issue":null,"BRefMon":134892,"BRefMonRR":"<b>Van Colen, C.</b> (2009). Tidal flat macrobenthos ecology, recolonisation and succession = Ecologie, herkolonisatie en successie van het macrobenthos in slikken. PhD Thesis. Universiteit Gent; Faculteit Wetenschappen; Afdeling Mariene Biologie: Gent. ISBN 978-90-902416-6-1. 300 pp.","BRefXtra":null,"BRefXtraRR":null,"SerBRefID":null,"SerRR":null,"StandardTitleSer":null,"ISSN":null,"AbbrevSer":null,"StandardTitleMon":"Tidal flat macrobenthos ecology, recolonisation and succession = Ecologie, herkolonisatie en successie van het macrobenthos in slikken","StartPage":177,"Pages":21,"ToPubliDate":null,"BRefBibLvlCode":"M","SerNotes":null,"AutString":"Van Colen, C."},"monrec":null,"serrec":null,"relations":null,"relationsRev":[{"XBRefID":139158,"RefStrFull":"<b>Van Colen, C.; Lenoir, J.; De Backer, A.; Vanelslander, B.; Vincx, M.; Degraer, S.; Ysebaert, T.J.</b> (2009). Settlement of <i>Macoma balthica</i> larvae in response to benthic diatom films. <i>Mar. Biol. (Berl.) 156(10)</i>: 2161-2171. <a href=\"https://dx.doi.org/10.1007/s00227-009-1246-6\" target=\"_blank\">https://dx.doi.org/10.1007/s00227-009-1246-6</a>","RelID":4,"RelationY":"Related to","StandardTitle":"Settlement of <i>Macoma balthica</i> larvae in response to benthic diatom films"}],"addrec":null,"othpubs":null,"ownerships":null,"authors":[{"AutName":"Van Colen","Firstname":"Carl","Initials":"C.","Affiliation":"Department of Biology, Marine Biology Section, Ghent University","Discriminator":null,"CorporateFlag":0,"BEntID":307013,"AutID":145747,"OrderNr":1,"DegrID":null,"EditorFlag":0,"CorrespFlag":0,"IllustratorFlag":0,"ReviserFlag":0,"TranslatorFlag":0,"InsAcronym":"MARBIOL","InsFSN":"Universiteit Gent; Faculteit Wetenschappen; Vakgroep Biologie; Onderzoeksgroep Mariene Biologie","ORCID":"0000-0002-9307-4484","PersID":10023,"InsID":13},{"AutName":"Lenoir","Firstname":null,"Initials":"J.","Affiliation":"Laboratory of Pharmaceutical Technology, Faculty of Pharmaceutical 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