{"refrec":{"BRefID":220953,"RR":"<b>Delille, B.; Delille, D.; Fiala, M.; Prevost, C.; Frankignoulle, M.</b> (2000). Seasonal changes of pCO<sub>2</sub> over a subantarctic <i>Macrocystis</i> kelp bed. <i>Polar Biol. 23(10)</i>: 706-716. <a href=\"http://dx.doi.org/10.1007/s003000000142\" target=\"_blank\">http://dx.doi.org/10.1007/s003000000142</a>","BEntID":212683,"PublicFlag":1,"CheckedFlag":1,"wosflag":1,"vabbflag":1,"RefStringPartII":". <i>Polar Biol. 23(10)</i>: 706-716. <a href=\"http://dx.doi.org/10.1007/s003000000142\" target=\"_blank\">http://dx.doi.org/10.1007/s003000000142</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Delille, B.; Delille, D.; Fiala, M.; Prevost, C.; Frankignoulle, M.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Delille, B. <i>et al.</i>","Englishabstract":"The partial pressure of carbon dioxide (pCO<sub class=\"a-plus-plus\">2</sub>), calculated from pH and total alkalinity measurements, was monitored together with chlorophyll <em class=\"a-plus-plus\">a</em> and bacterioplankton biomass in shallow coastal water located inside and outside a giant kelp bed (<em class=\"a-plus-plus\">Macrocystis pyrifera</em>) situated in the Kerguelen Archipelago, Southern Ocean. In spite of large changes over a short time-scale, pCO<sub class=\"a-plus-plus\">2</sub> variations over the year are large and exhibit a seasonal pattern in which the different stages of the annual biological turnover are well marked. The overall pattern of pCO<sub class=\"a-plus-plus\">2</sub> variations is related to biological activity (development of both photosynthesis and respiration) during almost the whole year. However, physical and thermodynamical constraints exert a strong influence on pCO<sub class=\"a-plus-plus\">2</sub> at meso time-scale (10?days) and/or when biological activity is weak. <em class=\"a-plus-plus\">Macrocystis</em> acts to maintain pCO<sub class=\"a-plus-plus\">2</sub> below saturation almost the whole year and large undersaturations (pCO<sub class=\"a-plus-plus\">2</sub> as low as 20?µatm) were observed within the kelp bed. Furthermore, primary production of <em class=\"a-plus-plus\">Macrocystis</em> covers a period of 8 ~ 9?months a year from winter to late summer and the kelp bed seems to favour the spring phytoplanktonic bloom. The buffer factor ß indicates that, outside the kelp bed, inorganic carbon dynamics are mainly influenced by air-sea exchange and photosynthesis without calcification. Inside the kelp bed, ß suggests calcification by the epiphytic community.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Seasonal changes of pCO<sub>2</sub> over a subantarctic <i>Macrocystis</i> kelp bed","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2026-04-22 01:31:44.009363","timezone_type":1,"timezone":"+02:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":null,"OtherDescriptors":null,"Notes":null,"AnaPub":2000,"MonPub":null,"DateUpdate":"2015-11-04","DateCreate":"2012-12-07","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000089916500007","VABBcode":null,"OpenAcc":0,"DOI":"10.1007/s003000000142"},"refs":null,"anarec":{"AnaID":220953,"PubliDate":2000,"Pagination":"706-716","XtraPublOfAnaID":null,"ISBN":null,"Volume":"23","Issue":"10","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":43637,"SerRR":"Polar Biology. 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ISSN 0722-4060; e-ISSN 1432-2056","StandardTitleSer":"Polar Biology","ISSN":"0722-4060","AbbrevSer":"Polar Biol.","StandardTitleMon":null,"StartPage":706,"Pages":11,"ToPubliDate":null,"BRefBibLvlCode":"S","SerNotes":null},"monrec":null,"serrec":null,"relations":null,"relationsRev":null,"addrec":null,"othpubs":null,"ownerships":null,"authors":[{"AutName":"Delille","Firstname":"Bruno","Initials":"B.","Affiliation":"Unité d'Océanographie Chimique, Mécanique des Fluides Géophysiques, Institut de Physique, Bât B5, Université de Liège","Discriminator":null,"CorporateFlag":0,"BEntID":212683,"AutID":155182,"OrderNr":1,"DegrID":null,"EditorFlag":0,"CorrespFlag":0,"IllustratorFlag":0,"ReviserFlag":0,"TranslatorFlag":0,"InsAcronym":null,"InsFSN":"Université de Liège; Faculté des Sciences; Département d'Astrophysique, Géophysique et Océanographie; Unité d’Océanographie Chimique","ORCID":"0000-0003-0502-8101","PersID":3186,"InsID":153},{"AutName":"Delille","Firstname":null,"Initials":"D.","Affiliation":null,"Discriminator":null,"CorporateFlag":0,"BEntID":212683,"AutID":14521,"OrderNr":2,"DegrID":null,"EditorFlag":0,"CorrespFlag":0,"IllustratorFlag":0,"ReviserFlag":0,"TranslatorFlag":0,"InsAcronym":null,"InsFSN":null,"ORCID":null,"PersID":null,"InsID":null},{"AutName":"Fiala","Firstname":null,"Initials":"M.","Affiliation":null,"Discriminator":null,"CorporateFlag":0,"BEntID":212683,"AutID":14497,"OrderNr":3,"DegrID":null,"EditorFlag":0,"CorrespFlag":0,"IllustratorFlag":0,"ReviserFlag":0,"TranslatorFlag":0,"InsAcronym":null,"InsFSN":null,"ORCID":null,"PersID":null,"InsID":null},{"AutName":"Prevost","Firstname":null,"Initials":"C.","Affiliation":null,"Discriminator":null,"CorporateFlag":0,"BEntID":212683,"AutID":155183,"OrderNr":4,"DegrID":null,"EditorFlag":0,"CorrespFlag":0,"IllustratorFlag":0,"ReviserFlag":0,"TranslatorFlag":0,"InsAcronym":null,"InsFSN":null,"ORCID":null,"PersID":null,"InsID":null},{"AutName":"Frankignoulle","Firstname":"Michel","Initials":"M.","Affiliation":"Unité d'Océanographie Chimique, Mécanique des Fluides Géophysiques, Institut de Physique, Bât B5, Université de Liège","Discriminator":null,"CorporateFlag":0,"BEntID":212683,"AutID":155184,"OrderNr":5,"DegrID":null,"EditorFlag":0,"CorrespFlag":0,"IllustratorFlag":0,"ReviserFlag":0,"TranslatorFlag":0,"InsAcronym":null,"InsFSN":"Université de Liège; 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