{"refrec":{"BRefID":137926,"RR":"<b>Gulliksen, B.; Skjæveland, S.H.</b> (1973). The sea-star, <i>Asterias rubens</i> L., as predator on the ascidian,<i> Ciona intestinalis</i> (L.), in Borgenfjorden, North-Tröndelag, Norway. <i>Sarsia 52</i>: 15-20","BEntID":131657,"PublicFlag":1,"CheckedFlag":0,"wosflag":0,"vabbflag":null,"RefStringPartII":". <i>Sarsia 52</i>: 15-20","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Gulliksen, B.; Skjæveland, S.H.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Gulliksen, B.; Skjæveland, S.H.","Englishabstract":"Ascidians, especially <i>Ciona intestinalis</i>, serve as food for the fishes, <i>Limanda limanda, Pleuronectes platessa</i>, and <i>Gadus morhua</i> in Borgenfjorden. Biomass investigations have provided evidence that large reductions in the biomass <i>C. intestinalis</i> also resulted from invasions of <i>Asterias rubens</i>. This suggests that this sea-star uses the ascidians as food and thus competes with the fishes for this type of food. Feeding experiments, where <i>C. intestinalis</i> were fed to <i>A. rubens</i>, gave a daily rate of feeding of 22.7% (15.6-29.3%) and an efficiency of conversion of 4.3 (3.5-5.2).","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"The sea-star, <i>Asterias rubens</i> L., as predator on the ascidian,<i> Ciona intestinalis</i> (L.), in Borgenfjorden, North-Tröndelag, Norway","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":null,"OtherDescriptors":null,"Notes":null,"AnaPub":1973,"MonPub":null,"DateUpdate":"2016-01-04","DateCreate":"2009-06-18","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":null,"VABBcode":null,"OpenAcc":0},"refs":null,"anarec":{"AnaID":137926,"PubliDate":1973,"Pagination":"15-20","XtraPublOfAnaID":null,"ISBN":null,"Volume":"52","Issue":null,"BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":43909,"SerRR":"Sarsia. 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