{"refrec":{"BRefID":38452,"RR":"<b>Glud, R.N.; Risgaard-Petersen, N.; Thamdrup, B.; Fossing, H.; Rysgaard, S.</b> (2000). Benthic carbon mineralization in a high-Arctic sound (Young Sound, NE Greenland). <i>Mar. Ecol. Prog. Ser. 206</i>: 59-71","BEntID":38452,"PublicFlag":1,"CheckedFlag":0,"wosflag":1,"vabbflag":1,"RefStringPartII":". <i>Mar. Ecol. Prog. Ser. 206</i>: 59-71","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Glud, R.N.; Risgaard-Petersen, N.; Thamdrup, B.; Fossing, H.; Rysgaard, S.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Glud, R.N. <i>et al.</i>","Englishabstract":"Benthic carbon mineralization was investigated along a depth transect across a sound in the high Arctic. Aerobic mineralization accounted for approximately 30% of the total degradation. Anaerobic degradation, responsible for the remaining 70%, was dominated by sulfate- and iron respiration, while denitrification and manganese respiration were of marginal importance. The total benthic degradation rate exhibited a rapidly attenuating exponential decline with increasing water depth. Permanent carbon burial accounted for approximately 50% of the total degradation rate, and was comparable to estimates from similar settings at lower latitudes. At the shallow stations, benthic infauna stimulated the benthic oxygen exchange by a factor of 1.5 to 3 relative to molecular diffusion. However, the estimated metabolic activity of the fauna itself accounted for <10% of total benthic degradation. From the rates of benthic degradation, permanent burial, pelagic primary production, and sedimentation of organic carbon, a budget for the pelagic-benthic coupling for outer Young Sound was established. Pelagic production accounted for only a minor fraction of the carbon required by the benthic community, and delta<sup>13</sup>C values suggested that terrestric carbon inputs were significant. However, the budget also indicated that additional sources of labile organic carbon (ice-algae, benthic microphytes and oceanic inputs) were important. During July, the time of the summer bloom, 36% of the sedimenting organic material was either degraded or buried. The remainder fueled the community respiration during the long, non-productive, winter.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Benthic carbon mineralization in a high-Arctic sound (Young Sound, NE Greenland)","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2024-12-10 01:32:52.928458","timezone_type":1,"timezone":"+01:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":null,"OtherDescriptors":null,"Notes":null,"AnaPub":2000,"MonPub":null,"DateUpdate":"2003-08-18","DateCreate":"2003-08-18","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000165693700006","VABBcode":null,"OpenAcc":0},"refs":null,"anarec":{"AnaID":38452,"PubliDate":2000,"Pagination":"59-71","XtraPublOfAnaID":null,"ISBN":null,"Volume":"206","Issue":null,"BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":43354,"SerRR":"Marine Ecology Progress Series. Inter-Research: Oldendorf/Luhe.  ISSN 0171-8630; e-ISSN 1616-1599","StandardTitleSer":"Marine Ecology Progress Series","ISSN":"0171-8630","AbbrevSer":"Mar. Ecol. Prog. 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