{"refrec":{"BRefID":101657,"RR":"Meysman, F.; Galaktionov, O.S.; Middelburg, J.J.<\/b> (2005). Irrigation patterns in permeable sediments induced by burrow ventilation: a case study of Arenicola marina<\/i>. Mar. Ecol. Prog. Ser. 303<\/i>: 195-212. https:\/\/dx.doi.org\/10.3354\/meps303195<\/a>","BEntID":96754,"PublicFlag":1,"CheckedFlag":0,"wosflag":1,"vabbflag":1,"RefStringPartII":". Mar. Ecol. Prog. Ser. 303<\/i>: 195-212. https:\/\/dx.doi.org\/10.3354\/meps303195<\/a>","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Meysman, F.; Galaktionov, O.S.; Middelburg, J.J.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Meysman, F.; Galaktionov, O.S.; Middelburg, J.J.","Englishabstract":"In sandy sediments, a strong connection exists between the physics of flow and the ecology of burrow-ventilating macrofauna. We developed a general modelling procedure that quantifies this link involving 3 steps. (1) Burrow-ventilating organisms can be described as mechanical pumps. (2) The pumping of burrow water into blind-ending tubes induces advective flow in the sediment. (3) The resistance to pore water flow is governed by the friction between solid and fluid, i.e. Darcy\u2019s law. This analysis allows the determination of the operation point of an \u2018organism pump\u2019 under in situ<\/i> conditions, and we applied it in a detailed modelling study of the lugworm Arenicola marina<\/i>. A 3-dimensional finite element model encompasses the lugworm\u2019s J-shaped burrow and represents a typical lugworm territory at in situ<\/i> density. We simulated the associated flow patterns in the sediment and analysed the factors that influence the lugworm\u2019s ventilation rate. Since the lugworm\u2019s oxygen supply critically depends on the burrow ventilation rate, we advance the following 2 ecological hypotheses: (1) decreasing the permeability of the burrow lining greatly increases the efficiency of oxygen supply, as it prevents the re-entry of anoxic pore water; and (2) the permeability of the bulk sediment constrains the lugworm\u2019s habitat. When permeability falls below a critical threshold, the sediment\u2019s resistance becomes too high, thus resulting in an insufficient oxygen supply. Overall, we show that permeability exerts an important control on ventilation activity, and hence resource availability, in sandy sediment ecosystems. From an evolutionary point of view, we anticipate biological feedbacks on this physical control\u2014in particular, behavioural adaptations that increase the permeability in the bulk sediment but decrease the permeability near the burrow wall.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Irrigation patterns in permeable sediments induced by burrow ventilation: a case study of Arenicola marina<\/i>","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2026-04-07 01:31:10.774969","timezone_type":1,"timezone":"+02:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":null,"OtherDescriptors":null,"Notes":null,"AnaPub":2005,"MonPub":null,"DateUpdate":"2006-08-24","DateCreate":"2006-08-24","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000234214500016","VABBcode":null,"OpenAcc":0,"DOI":"10.3354\/meps303195"},"refs":null,"anarec":{"AnaID":101657,"PubliDate":2005,"Pagination":"195-212","XtraPublOfAnaID":null,"ISBN":null,"Volume":"303","Issue":null,"BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":43354,"SerRR":"Marine Ecology Progress Series. 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