Length estimation of Atlantic bluefin tuna (Thunnus thynnus) using vertebrae

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dc.contributor.authorAndrews, Adam J.
dc.contributor.authorMylona, Dimitra
dc.contributor.authorRivera-Charún, Lucia
dc.contributor.authorWinter, Rachel
dc.contributor.authorOnar, Vedat
dc.contributor.authorSıddıq, Abu Bakar
dc.contributor.authorTinti, Fausto
dc.contributor.authorMorales-Muniz, Arturo
dc.date.accessioned2022-02-16T12:00:39Z
dc.date.available2022-02-16T12:00:39Z
dc.date.issued2022en_US
dc.departmentMAÜ, Fakülteler, Edebiyat Fakültesi, Antropoloji Bölümüen_US
dc.description.abstractAtlantic bluefin tuna (Thunnus thynnus; BFT) is a large (up to 3.3 m in length) pelagic predator which has been exploited throughout the eastern Atlantic and Mediterranean since prehistoric times, as attested by its archeological remains. One key insight derivable from these remains is body size, which can indicate past fishing abilities, the impact of fishing, and past migration behavior. Despite this, there exists no reliable method to estimate the size of BFT found in archeological sites. Here, 13 modern Thunnus spp. skeletons were studied to provide power regression equations that estimate body length from vertebra dimensions. In modern specimens, the majority of BFT vertebrae can be differentiated by their morphological features, and thus, individual regression equations can be applied for each rank (position in vertebral column). In an archeological context, poor preservation may limit one's ability to identify rank; hence, “types” of vertebrae were defined, which enable length estimates when rank cannot be determined. At least one vertebra dimension, height, width, or length correlated highly with body length when vertebrae were ranked (R2 > 0.97) or identified to types (R2 > 0.98). Whether using rank or type, length estimates appear accurate to approximately ±10%. Finally, the method was applied to a sample of Roman-era BFT vertebrae to demonstrate its potential. It is acknowledged that further studies with larger sample sizes would provide more precision in BFT length estimates.en_US
dc.identifier.citationAndrews, A. J., Mylona, D.,Rivera-Charún, L., Winter, R., Onar, V., Siddiq, A. B., Tinti, F., & Morales-Muniz, A. (2022). Length estimation of Atlantic bluefin tuna (Thunnus thynnus) using vertebrae. International Journal of Osteoarchaeology, 1–9. https://doi.org/10.1002/oa.3092en_US
dc.identifier.doi10.1002/oa.3092en_US
dc.identifier.scopus2-s2.0-85124001361en_US
dc.identifier.scopusqualityN/Aen_US
dc.identifier.urihttps://doi.org/10.1002/oa.3092
dc.identifier.urihttps://hdl.handle.net/20.500.12514/3045
dc.identifier.wosWOS:000749623200001en_US
dc.identifier.wosqualityQ3en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherWileyen_US
dc.relation.ispartofInternational Journal of Osteoarchaeologyen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectAtlantic bluefin tunaen_US
dc.titleLength estimation of Atlantic bluefin tuna (Thunnus thynnus) using vertebraeen_US
dc.typeArticleen_US

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