{"refrec":{"BRefID":251208,"RR":"<b>De Smet, B.; Braeckman, U.; Soetaert, K.; Vincx, M.; Vanaverbeke, J.</b> (2016). Predator effects on the feeding and bioirrigation activity of ecosystem-engineered <i>Lanice conchilega</i> reefs. <i>J. Exp. Mar. Biol. Ecol. 475</i>: 31-37. <a href=\"http://dx.doi.org/10.1016/j.jembe.2015.11.005\" target=\"_blank\">http://dx.doi.org/10.1016/j.jembe.2015.11.005</a>","BEntID":242903,"PublicFlag":1,"CheckedFlag":1,"wosflag":1,"vabbflag":null,"RefStringPartII":". <i>J. Exp. Mar. Biol. Ecol. 475</i>: 31-37. <a href=\"http://dx.doi.org/10.1016/j.jembe.2015.11.005\" target=\"_blank\">http://dx.doi.org/10.1016/j.jembe.2015.11.005</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"De Smet, B.; Braeckman, U.; Soetaert, K.; Vincx, M.; Vanaverbeke, J.","OrigTitleTranslFlag":0,"Authorstringtrunc":"De Smet, B. <i>et al.</i>","Englishabstract":"Ecosystem engineers can considerably affect the community composition, abundance and species richness of their environment. This study investigates the existence of positive or negative feedbacks of species that compose the community in intertidal biogenic reefs constructed by the ecosystem engineer <em>Lanice conchilega</em>. This tubeworm creates attractive nursery and feeding grounds for the predatory brown shrimp <em>Crangon crangon</em>, while at the same time is preyed upon by <em>C. crangon</em>. The effect of the predation pressure exerted by <em>C. crangon</em> on the bioirrigation and feeding activity of the tubeworm is up until now unknown and it is hypothesised that these activities are affected by the high densities of <em>C. crangon</em> in the reefs. A mesocosm experiment was set up to investigate the effects of predation pressure on the bioirrigation and feeding activity of <em>L. conchilega</em> in the i) absence; ii) restricted presence; and iii) unrestricted presence of <em>C. crangon</em>. Bioirrigation was quantified by the decrease of an artificially introduced bromide (Br<sup>-</sup>) tracer, while feeding activity was measured from the incorporation of <sup>13</sup>C via stable isotope analysis. The bioirrigation rate of the <em>L. conchilega</em> reef equalled about 30 L·m<sup>- 2</sup>·d<sup>- 1</sup> and was not affected by the presence of the predator. The food uptake of the tubeworm was however about three times lower in the unrestricted presence of <em>C. crangon</em>, presumably due to the retraction of the worm's body and tentacles in its tube induced by physical contact with the predator. Notwithstanding the impacted food uptake of <em>L. conchilega</em>, the tubeworm maintains its functional role in the presence of predators in soft-bottom intertidal areas.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Predator effects on the feeding and bioirrigation activity of ecosystem-engineered <i>Lanice conchilega</i> reefs","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2026-04-20 01:32:06.481199","timezone_type":1,"timezone":"+02:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":"Bioirrigation; Biogenic reef; Stable isotope","OtherDescriptors":null,"Notes":null,"AnaPub":2016,"MonPub":null,"DateUpdate":"2016-07-05","DateCreate":"2015-11-20","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000369212600004","VABBcode":null,"OpenAcc":0,"DOI":"10.1016/j.jembe.2015.11.005"},"refs":null,"anarec":{"AnaID":251208,"PubliDate":2016,"Pagination":"31-37","XtraPublOfAnaID":null,"ISBN":null,"Volume":"475","Issue":null,"BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":43229,"SerRR":"Journal of Experimental Marine Biology and Ecology. Elsevier: New York.  ISSN 0022-0981; e-ISSN 1879-1697","StandardTitleSer":"Journal of Experimental Marine Biology and Ecology","ISSN":"0022-0981","AbbrevSer":"J. Exp. Mar. Biol. 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