{"refrec":{"BRefID":409069,"RR":"<b>Lelièvre, Y.; Motreuil, S.; Specq, L.; Marschal, C.; Dubois, P.; Wauters, L.; Guéné, M.; Saucède, T.</b> (2024). MEDUSA: Marine benthic Ecological Data from Underwater imagery Surveys of sub-Antarctic Crozet environments. <i>Scientific Data 11(1)</i>: 613. <a href=\"https://dx.doi.org/10.1038/s41597-024-03460-4\" target=\"_blank\">https://dx.doi.org/10.1038/s41597-024-03460-4</a>","BEntID":406872,"PublicFlag":1,"CheckedFlag":1,"wosflag":1,"vabbflag":0,"RefStringPartII":". <i>Scientific Data 11(1)</i>: 613. <a href=\"https://dx.doi.org/10.1038/s41597-024-03460-4\" target=\"_blank\">https://dx.doi.org/10.1038/s41597-024-03460-4</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Lelièvre, Y.; Motreuil, S.; Specq, L.; Marschal, C.; Dubois, P.; Wauters, L.; Guéné, M.; Saucède, T.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Lelièvre, Y. <i>et al.</i>","Englishabstract":"Inscribed on the UNESCO World Heritage list, the sub-Antarctic Crozet archipelago is located in a region facing significant environmental changes impacting a poorly known marine biodiversity. Underwater imagery constitutes a valuable non-invasive approach for gathering ecological data and improving our knowledge of ecosystems’ vulnerability. We here compiled two datasets, encompassing 17 video-imagery surveys of Crozet nearshore environments conducted in 2021 and 2022 at two sites of Ile de la Possession: Baie du Marin and Crique du Sphinx. Faunal abundance and algal cover data related to each survey are also provided. A total of 755 images were analysed, comprising 52 faunal and 14 algal taxa identified in 2021, as well as 45 faunal and 14 algal taxa identified in 2022. Video-transects were performed in shallow waters by scuba divers using a GoPro®HERO7 multiple camera set-up, and in deeper waters using a remotely operated vehicle. These data provide a first baseline for biodiversity and ecosystem studies, and for monitoring the long-term dynamics of Crozet benthic habitats facing natural and anthropogenic disturbances.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"MEDUSA: Marine benthic Ecological Data from Underwater imagery Surveys of sub-Antarctic Crozet environments","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2025-09-25 01:36:50.712317","timezone_type":1,"timezone":"+02:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":"SOUTHERN-OCEAN;ISLANDS;COMMUNITIES;DISTURBANCE;TRENDS","OtherDescriptors":null,"Notes":null,"AnaPub":2024,"MonPub":null,"DateUpdate":"2025-09-18","DateCreate":"2025-06-18","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:001245985100007","VABBcode":null,"OpenAcc":1,"DOI":"10.1038/s41597-024-03460-4"},"refs":null,"anarec":{"AnaID":409069,"PubliDate":2024,"Pagination":"613","XtraPublOfAnaID":null,"ISBN":null,"Volume":"11","Issue":"1","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":254705,"SerRR":"Scientific Data. 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