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Floating seaweed and the influences of temperature, grazing and clump size on raft longevity: a microcosm study, <b><i>in</i></b>: Vandendriessche, S. <i>Drijvend zeewier als efemeer neustonisch habitat = Floating seaweed as ephemeral neustonic habitat.</i> pp. 99-112","BEntID":306944,"PublicFlag":1,"CheckedFlag":0,"wosflag":0,"vabbflag":0,"RefStringPartII":", <b><i>in</i></b>: Vandendriessche, S. <i>Drijvend zeewier als efemeer neustonisch habitat = Floating seaweed as ephemeral neustonic habitat.</i> pp. 99-112","DocTypID":17,"DocType":"Book chapters","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Vandendriessche, S.; Vincx, M.; Degraer, S.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Vandendriessche, S. <i>et al.</i>","Englishabstract":"Laboratory experiments were conducted to evaluate the longevity, and consequently also the rafting capacity of the brown seaweeds <i>Fucus vesiculosus</i> and <i>Ascophyllum nodosum</i>. The seaweed degradation process and the activity of the grazer <i>Idotea baltica</i> were strongly influenced by temperature: only at 5 °C, the seaweed growth exceeded the weight loss. At higher temperatures, seaweed fragments sank quickly (within 100 days at temperatures higher than 15 °C). This process was significantly accelerated in the presence of <i>I. baltica</i>, resulting in a decrease of raft longevity of 60-70%. At a constant temperature of 15 °C and in the absence of grazers, fragments of <i>A. nodosum</i> floated longer (mean 45 weeks) than fragments of <i>F. vesiculosus</i> (mean 15 weeks). The results indicate that floating seaweeds have the potential to stay afloat for a long time, but that their longevity is temperature-dependent and can be strongly reduced by grazing activity of associated herbivores.","AbstractOtherLang":null,"BibLvlCode":"AM","StandardTitle":"Floating seaweed and the influences of temperature, grazing and clump size on raft longevity: a microcosm study","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":"floating seaweed; grazing; North Sea; temperature","OtherDescriptors":null,"Notes":null,"AnaPub":2007,"MonPub":null,"DateUpdate":"2019-08-28","DateCreate":"2006-12-21","SecASFANote":null,"ConfID":null,"PeerRev":0,"VlizCoreFlag":1,"WoScode":null,"VABBcode":null,"OpenAcc":0},"refs":null,"anarec":{"AnaID":106510,"PubliDate":2007,"Pagination":"99-112","XtraPublOfAnaID":null,"ISBN":null,"Volume":null,"Issue":null,"BRefMon":106496,"BRefMonRR":"<b>Vandendriessche, S.</b> (2007). 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