{"refrec":{"BRefID":53874,"RR":"<b>Hiddink, J.G.; ter Hofstade, R.; Wolff, W.J.</b> (2002). Predation of intertidal infauna on juveniles of the bivalve <i>Macoma balthica</i>, <b><i>in</i></b>: Hiddink, J.G. <i>The adaptive value of migrations for the bivalve <i>Macoma balthica</i>.</i> pp. 89-112","BEntID":327831,"PublicFlag":1,"CheckedFlag":0,"wosflag":0,"vabbflag":0,"RefStringPartII":", <b><i>in</i></b>: Hiddink, J.G. <i>The adaptive value of migrations for the bivalve <i>Macoma balthica</i>.</i> pp. 89-112","DocTypID":17,"DocType":"Book chapters","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Hiddink, J.G.; ter Hofstade, R.; Wolff, W.J.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Hiddink, J.G.; ter Hofstade, R.; Wolff, W.J.","Englishabstract":"Juveniles of the bivalve <i>Macoma balthica</i> live on tidal flats in the Wadden Sea. This study examined the interaction of <i>Macoma</i> with the infaunal polychaetes <i>Arenicola marina</i> and<i> Nereis diversicolor</i> and the gastropod<i> Retusa obtusa</i>. The distribution of <i>M. balthica</i> spat on the flats, shortly after settlement in April, showed a positive correlation with the <i>Arenicola</i> distribution and a negative correlation with <i>Nereis</i>distribution. There were no locations where <i>Macoma</i>spat and <i>Retusa</i> occurred together. In August,<i> Macoma</i> spat had grown too large for predation by intertidal infauna. Small individuals of <i>Macoma</i> spat were found in stomachs of <i>Arenicola</i> (0.14 worm<sup>-1</sup>) and Nereis (0.05 worm<sup>-1</sup>). Laboratory experiments showed that <i>Nereis</i> and <i>Retusa</i> could reduce<i> Macoma</i> spat abundance, both in the absence and presence of sediment and alternative prey. <i>Arenicola</i> reduced the abundance of small <i>Macoma</i> (<1 mm) in sediment without, but not with, alternative prey. In field experiments, we manipulated the density of <i>Arenicola</i> in 0.25-1 m<sup>2</sup> plots and of Nereis in 0.03 m<sup>2</sup> cages and examined the effect on <i>Macoma</i> density several weeks later. We found a significant negative relation between densities of polychaetes and <i>Macoma</i> spat for both polychaete species in these experimental plots. Peculiarly, we found a significant positive relation between manipulated <i>Nereis</i> density and adult <i>Macoma</i> density in the cages; we cannot explain this. Consumption rates, calculated both from stomach contents and from field experiments, were 45 to 102 <i>Macoma</i> m<sup>-2 </sup><sup>d-1</sup> for <i>Arenicola</i> and 5 to 116 Macoma m<sup>-2 d-1</sup> for <i>Nereis</i>. These values are higher than recorded consumption rates by epibenthic predators in the same area. Nevertheless, between-year differences in year-class strength could not be explained by differential abundance of these polychaetes. n conclusion, <i>Arenicola</i> and <i>Nereis</i> had a negative effect on the abundance of <i>Macoma</i> <1.5 mm, which was at least partly caused by direct consumption. <i>Retusa obtusa</i> can eat juvenile<i>Macoma,</i> but probably did not so in the study area, because there were no locations where <i>Retusa</i> and <i>Macoma</i> spat occurred together in the period that <i>Macoma</i> was <2 mm.","AbstractOtherLang":null,"BibLvlCode":"AM","StandardTitle":"Predation of intertidal infauna on juveniles of the bivalve <i>Macoma balthica</i>","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":"<i>Macoma balthica</i>; <i>Nereis diversicolor</i>;<i> Arenicola marina</i>; Spat; Predation; Enclosure; Tidal flat; Wadden Sea; The Netherlands","Notes":null,"AnaPub":2002,"MonPub":null,"DateUpdate":"2021-02-19","DateCreate":"2003-11-26","SecASFANote":null,"ConfID":null,"PeerRev":0,"VlizCoreFlag":1,"WoScode":null,"VABBcode":null,"OpenAcc":0},"refs":null,"anarec":{"AnaID":53874,"PubliDate":2002,"Pagination":"89-112","XtraPublOfAnaID":null,"ISBN":"90-9016102-3","Volume":null,"Issue":null,"BRefMon":28268,"BRefMonRR":"<b>Hiddink, J.G.</b> (2002). The adaptive value of migrations for the bivalve <i>Macoma balthica</i>. PhD Thesis. Rijksuniversiteit Groningen: Groningen. ISBN 90-9016102-3. 172 pp.","BRefXtra":null,"BRefXtraRR":null,"SerBRefID":null,"SerRR":null,"StandardTitleSer":null,"ISSN":null,"AbbrevSer":null,"StandardTitleMon":"The adaptive value of migrations for the bivalve <i>Macoma balthica</i>","StartPage":141,"Pages":19,"ToPubliDate":null,"BRefBibLvlCode":"M","SerNotes":null,"AutString":"Hiddink, J.G."},"monrec":null,"serrec":null,"relations":[{"YBRefID":25897,"RefStrFull":"<b>Hiddink, J.G.; ter Hofstade, R.; Wolff, W.J.</b> (2002). Predation of intertidal infauna on juveniles of the bivalve <i>Macoma balthica</i>. <i>J. Sea Res. 47(2)</i>: 141-159. <a href=\"https://dx.doi.org/10.1016/S1385-1101(02)00107-7\" target=\"_blank\">https://dx.doi.org/10.1016/S1385-1101(02)00107-7</a>","RelID":4,"Relation":"Related to","StandardTitle":"Predation of intertidal infauna on juveniles of the bivalve <i>Macoma balthica</i>"}],"relationsRev":null,"addrec":null,"othpubs":null,"ownerships":null,"authors":[{"AutName":"Hiddink","Firstname":"Jan Geert","Initials":"J.G.","Affiliation":null,"Discriminator":null,"CorporateFlag":0,"BEntID":327831,"AutID":15988,"OrderNr":1,"DegrID":null,"EditorFlag":0,"CorrespFlag":0,"IllustratorFlag":0,"ReviserFlag":0,"TranslatorFlag":0,"InsAcronym":null,"InsFSN":null,"ORCID":null,"PersID":5608,"InsID":null},{"AutName":"ter 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