{"refrec":{"BRefID":404445,"RR":"<b>Greiffenhagen, L.; Kutti, T.; Maier, S.R.; De Clippele, L.H.</b> (2024). Biomass mapping of fjordic cold-water coral reefs reveals distinct functional role of vertical wall habitat. <i>Deep-Sea Res., Part 1, Oceanogr. Res. Pap. 211</i>: 104350. <a href=\"https://dx.doi.org/10.1016/j.dsr.2024.104350\" target=\"_blank\">https://dx.doi.org/10.1016/j.dsr.2024.104350</a>","BEntID":402236,"PublicFlag":1,"CheckedFlag":0,"wosflag":1,"vabbflag":1,"RefStringPartII":". <i>Deep-Sea Res., Part 1, Oceanogr. Res. Pap. 211</i>: 104350. <a href=\"https://dx.doi.org/10.1016/j.dsr.2024.104350\" target=\"_blank\">https://dx.doi.org/10.1016/j.dsr.2024.104350</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":0,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Greiffenhagen, L.; Kutti, T.; Maier, S.R.; De Clippele, L.H.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Greiffenhagen, L. <i>et al.</i>","Englishabstract":"<span style=\"color:rgb(31,31,31);\">Fjords provide unique habitats for large cold-water coral (CWC) reefs, typically growing on sills and vertical walls. Fjord reefs are among the most thriving CWC reefs in Norway. Yet, these reefs, especially the wall reefs, are notoriously understudied. Here, we mapped the biomass, total carbon (C) stocks and C turnover (as respiration) of the reef-building coral </span><i>Lophelia pertusa (syn. Desmophyllum pertusum),</i><span style=\"color:rgb(31,31,31);\"> and dominant, large CWC reef-associated suspension feeders (the sponges </span><i>Geodia barretti</i><span style=\"color:rgb(31,31,31);\"> and </span><i>Mycale lingua</i><span style=\"color:rgb(31,31,31);\">, the CWC </span><i>Madrepora oculata</i><span style=\"color:rgb(31,31,31);\"> and the bivalve </span><i>Acesta excavata)</i><span style=\"color:rgb(31,31,31);\"> within the Hardangerfjord, Norway. Remotely Operated Vehicle (ROV) recorded videos from wall and sill reefs were used to estimate species-specific biomass. Coupled with high resolution terrain data (2&nbsp;×&nbsp;2&nbsp;m), predictive maps of species biomass were produced using a random forest (RF) model. The resulting biomass data were integrated with species-specific C content and C respiration rates from literature to estimate C stocks and C turnover of wall versus sill reefs. Area-specific results from the RF models reveal that wall reefs had a higher habitat suitability for all species except </span><i>L. pertusa</i><span style=\"color:rgb(31,31,31);\">, which was more dominant on the sills. Accordingly, the wall reefs supported an up to 11 times higher biomass, C stock, and turnover for all species, except for </span><i>L. pertusa</i><span style=\"color:rgb(31,31,31);\">, which had two-fold higher values on the sill reef. As a result, the wall reefs showed a 1.5 to 4.8 times higher total mean C turnover by dominant suspension feeders (all studied species) compared to the sill reefs. With their high C turnover and their presumably wide distribution in Norwegian fjords and globally, benthic wall reef megafauna may have a substantial, but overlooked biomass and functional role within CWC reef systems.</span>","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Biomass mapping of fjordic cold-water coral reefs reveals distinct functional role of vertical wall habitat","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2026-06-07 01:32:01.323701","timezone_type":1,"timezone":"+02:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":"Cold-water coral reefs; Vertical wall habitat; Fjords; Biomass mapping; Ecosystem functions; Carbon turnover","OtherDescriptors":null,"Notes":null,"AnaPub":2024,"MonPub":null,"DateUpdate":"2024-11-26","DateCreate":"2024-11-26","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":null,"VABBcode":null,"OpenAcc":1,"DOI":"10.1016/j.dsr.2024.104350"},"refs":null,"anarec":{"AnaID":404445,"PubliDate":2024,"Pagination":"104350","XtraPublOfAnaID":null,"ISBN":null,"Volume":"211","Issue":null,"BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":45506,"SerRR":"Deep-Sea Research, Part I. 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