{"refrec":{"BRefID":220947,"RR":"<b>Champenois, W.; Borges, A.V.</b> (2012). Seasonal and interannual variations of community metabolism rates of a <i>Posidonia oceanica</i> seagrass meadow. <i>Limnol. Oceanogr. 57(1)</i>: 347-361. <a href=\"http://dx.doi.org/10.4319/lo.2012.57.1.0347\" target=\"_blank\">http://dx.doi.org/10.4319/lo.2012.57.1.0347</a>","BEntID":212677,"PublicFlag":1,"CheckedFlag":1,"wosflag":1,"vabbflag":null,"RefStringPartII":". <i>Limnol. Oceanogr. 57(1)</i>: 347-361. <a href=\"http://dx.doi.org/10.4319/lo.2012.57.1.0347\" target=\"_blank\">http://dx.doi.org/10.4319/lo.2012.57.1.0347</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Champenois, W.; Borges, A.V.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Champenois, W.; Borges, A.V.","Englishabstract":"We report gross primary production (GPP), community respiration (CR), and net community production (NCP) over a <i>Posidonia oceanica</i> meadow at 10&nbsp;m in Corsica (Bay of Revellata) based on the open water O<sub>2</sub> mass balance from a data set of hourly measurements with an array of three O<sub>2</sub> optodes deployed from August 2006 to October 2009. The method was checked by comparison with discrete measurements of metabolic rates derived from benthic chamber incubations also based on the diel change of O<sub>2</sub>. This comparison was satisfactory and actually highlights the potential caveats of benthic incubation measurements related to O<sub>2</sub> accumulation in small chambers leading to photorespiration and an underestimation of GPP. Our data confirmed previous <i>P. oceanica</i> meadows GPP and CR values, strong seasonal variations, and net autotrophy. High-resolution data revealed strong interannual variability, with a decrease of GPP by 35% and NCP by 87% during 2006-2007 characterized by a mild and less stormy winter compared with 2007-2008 and 2008-2009. <i>P. oceanica</i> meadows are then expected to decrease export of organic carbon to adjacent communities (decrease of NCP), since a decrease in frequency and intensity of marine storms is expected in the future in the Mediterranean Sea as a result of a northward shift of the Atlantic storm track.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Seasonal and interannual variations of community metabolism rates of a <i>Posidonia oceanica</i> seagrass meadow","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2026-06-08 01:30:56.173215","timezone_type":1,"timezone":"+02:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":null,"OtherDescriptors":null,"Notes":null,"AnaPub":2012,"MonPub":null,"DateUpdate":"2014-05-18","DateCreate":"2012-12-07","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000302612100011","VABBcode":null,"OpenAcc":0,"DOI":"10.4319/lo.2012.57.1.0347"},"refs":null,"anarec":{"AnaID":220947,"PubliDate":2012,"Pagination":"347-361","XtraPublOfAnaID":null,"ISBN":null,"Volume":"57","Issue":"1","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":43511,"SerRR":"Limnology and Oceanography. 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