{"refrec":{"BRefID":339377,"RR":"<b>Madigan, D.J.; Richardson, A.J.; Carlisle, A.B.; Weber, S.B.; Brown, J.; Hussey, N.E.</b> (2021). Water column structure defines vertical habitat of twelve pelagic predators in the South Atlantic. <i>ICES J. Mar. Sci./J. Cons. int. Explor. Mer 78(3)</i>: 867-883. <a href=\"https://dx.doi.org/10.1093/icesjms/fsaa222\" target=\"_blank\">https://dx.doi.org/10.1093/icesjms/fsaa222</a>","BEntID":336012,"PublicFlag":1,"CheckedFlag":0,"wosflag":1,"vabbflag":0,"RefStringPartII":". <i>ICES J. Mar. Sci./J. Cons. int. Explor. Mer 78(3)</i>: 867-883. <a href=\"https://dx.doi.org/10.1093/icesjms/fsaa222\" target=\"_blank\">https://dx.doi.org/10.1093/icesjms/fsaa222</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Madigan, D.J.; Richardson, A.J.; Carlisle, A.B.; Weber, S.B.; Brown, J.; Hussey, N.E.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Madigan, D.J. <i>et al.</i>","Englishabstract":"Quantifying vertical distributions of pelagic predators elucidates pelagic ecosystem structure and informs fisheries management. In the tropical South Atlantic Ocean, the recently designated large-scale marine protected area around Ascension Island hosts diverse pelagic predators for which basin-specific vertical habitat information is minimal or absent. We used pop-up satellite archival tags to analyse vertical habitat use in 12 species (bigeye tuna <em>Thunnus obesus</em>, blue marlin <em>Makaira nigricans</em>, blue shark <em>Prionace glauca</em>, dolphinfish <em>Coryphaena hippurus</em>, Galapagos shark <em>Carcharhinus galapagensis</em>, oceanic whitetip <em>Carcharhinus longimanus</em>, sailfish <em>Istiophorus albicans</em>, silky shark <em>Carcharhinus falciformis</em>, swordfish <em>Xiphias gladius</em>, tiger shark <em>Galeocerdo cuvier</em>, wahoo <em>Acanthocybium solandri</em>, and yellowfin tuna <em>Thunnus albacares</em>) and quantify parameters (temperature, dissolved oxygen, diel cycles, lunar phase) known to constrain vertical movements. Predator depth distributions varied widely, and classification trees grouped predators into four clades: (i) primarily epipelagic; (ii) partial thermocline use; (iii) oscillatory diving with thermocline/sub-thermocline use; and (iv) extensive use of sub-thermocline waters. Vertical habitat differences were linked to thermal physiology and foraging ecology, and species-specific physical constraints from other ocean basins were largely conserved in the South Atlantic. Water column features defined species-specific depth distributions, which can inform fisheries practices and bycatch risk assessments and population estimates.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Water column structure defines vertical habitat of twelve pelagic predators in the South Atlantic","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2026-04-30 01:31:52.129397","timezone_type":1,"timezone":"+02:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":"billfish, biologging, electronic tag, pelagic ecology, PSAT, tuna, vertical behaviour","OtherDescriptors":null,"Notes":null,"AnaPub":2021,"MonPub":null,"DateUpdate":"2021-07-30","DateCreate":"2021-06-28","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000731911900009","VABBcode":null,"OpenAcc":0,"DOI":"10.1093/icesjms/fsaa222"},"refs":null,"anarec":{"AnaID":339377,"PubliDate":2021,"Pagination":"867-883","XtraPublOfAnaID":null,"ISBN":null,"Volume":"78","Issue":"3","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":44710,"SerRR":"ICES Journal of Marine Science. Academic Press: London.  ISSN 1054-3139; e-ISSN 1095-9289","StandardTitleSer":"ICES Journal of Marine Science","ISSN":"1054-3139","AbbrevSer":"ICES J. Mar. Sci./J. Cons. int. Explor. 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