Guiry Publications
2025
Guiry E., Kennedy R., Stricker L., Lavin L., Szpak P. 2025. What it means to be marine: sulfur-isotope variability in the historical Chesapeake Bay ecosystem. 179: 106265. DOI: 10.1016/j.jas.2025.106265.
Guiry E., Beglane F., Orton D., Carlin N., Teeter M., Szpak P. 2025. Pigs, pannage, and the solstice: isotopic insights from prehistoric feasting at Newgrange. . Published online first August 2025. DOI: 10.1017/ppr.2025.10063
Guiry E., Beglane F., McCormick F., Tourigny E., Richards M. 2025. Pigs, people, and proximity: a 6000-year isotopic record of pig management in Ireland. 11: 241300. DOI: 10.1098/rsos.241300.
Welker M., Bratten J., Guiry E. 2025. Feline conquistadors: the arrival of the domestic cat in the New World. . DOI: 10.1017/aaq.2024.84.
Ferrandin S., Plunkett G., Britton K., Guiry E., Beglane F. 2025. Dual role of human activities and climate in pre-industrial nitrogen shifts in Ireland. 180: 106271. DOI: 10.1016/j.jas.2025.106271.
Jackman, L., Vaughan, T., Royle, T., Guiry, E., Dagneau, C., Speller, C., No毛l, S., Yang, D.Y. 2025. A tale of two turkeys: assessing the domestication status and origins of turkey remains from the 18th C. Machault shipwreck through ancient DNA and stable isotope analysis. 66:105291. DOI: 10.1016/j.jasrep.2025.10529
McLaughlin R., Robson H.K., Maring R., Boethius A., Guiry E., et al. 2025. Marine exploitation and the arrival of farming: resolving the paradox of the Mesolithic鈥揘eolithic transition in Denmark. 361: 109447. DOI: 10.1016/j.quascirev.2025.109447
2024
Guiry E., Robson H. 2024. Deep antiquity of seagrasses supporting European eel fisheries in the western Baltic. , 291: 20240674. DOI: 10.1098/rspb.2024.0674.
Guiry E., Kennedy R., Malcolm C., Miller M., Hall O., Buckley M., Szpak P. 2024. Early evidence for long-term human impacts on sea-turtle foraging behaviour. 11: 240120. DOI: 10.1098/rsos.240120.
Guiry E., Kennedy R., Orton D., Armitage P., Bratten J., Dagneau C., et al. 2024. The ratting of North America: a 350-year retrospective on Rattus species compositions and competition. 10 (14): eadm6755. DOI: 10.1126/sciadv.adm6755.
Royle T., Kennedy E., Guiry E., Jackman L., Shichizae Y., Yang D. 2024. Sharkaeology: building catch records for historical Chinese diaspora shark fisheries in Monterey Bay, California, through ancient DNA analysis of archaeological Chondrichthyes remains. . DOI: 10.1007/s10745-024-00521-5.
van Helden D., Levine D., Guiry E., Darko N., King C., et al. 2024. Seven recommendations for scientists, universities, and funders to embrace interdisciplinarity. . DOI: 10.1038/s44319-024-00173-y.
2023
Guiry E., Beglane F., Szpak P., McCormick F., Teeter M., et al. 2023. A 6000-year isotopic perspective on changing human鈥揷attle relationships in Ireland. 97 (396): 1436-1452. DOI: 10.15184/aqy.2023.163.
Guiry E., Dupont-H茅bert C., Grimes V. 2023. Reassessing the abandonment of pig husbandry in Post-Viking Iceland: an isotopic approach. In Beasley M., Somerville A. (eds.), (pp. 207-224). Springer, New York. DOI: 10.1007/978-3-031-32268-6_9.
Orchard T., Needs-Howarth S., Hawkins A., Lesage L., Guiry E., Royle T. 2023. Considering passenger pigeon abundance and distribution in the Late Woodland zooarchaeological record of southern Ontario, Canada. 33: 608-618. DOI: 10.1002/oa.3163.
2022
Guiry E., James M., Cheung C., Royle T. 2022. Four millennia of long-term individual foraging-site fidelity in a highly migratory marine predator. 5: 368. DOI: 10.1038/s42003-022-03310-2.
Guiry E., Orchard T., Needs-Howarth S., Szpak P. 2022. Freshwater wetland-driven variation in sulfur-isotope compositions: implications for human palaeodiet and ecological research. 10: 953042. DOI: 10.3389/fevo.2022.953042.
Kennedy R.J., Guiry E. 2022. Exploring railroad impacts on the meat trade: an isotopic investigation of meat sourcing and animal husbandry at Chinese diaspora sites in the American West. 27: 393-423. DOI: 10.1007/s10761-022-00663-6.
Royle T.C.A., Guiry E., Zhang H., Clark L.T., Missal S.M., et al. 2022. Documenting the short-tailed albatross (Phoebastria albatrus) clades historically present in British Columbia, Canada, through ancient DNA analysis of archaeological specimens. 12: e9116. DOI: 10.1002/ece3.9116.
Losey R.J., Nomokonova T., Guiry E., Fleming L.S., Garvie-Lok S.J., et al. 2022. The evolution of dog diet and foraging: insights from archaeological canids in Siberia. 8: eabo6493. DOI: 10.1126/sciadv.abo6493.
2021
Guiry E., Kennedy J.R., O鈥機onnell M.T., Gray R., Grant C., Szpak P. 2021. Early evidence for historical overfishing in the Gulf of Mexico. 7: eabh2525. DOI: 10.1126/sciadv.abh2525.
Guiry E., Szpak P. 2021. Improved quality-control criteria for stable-carbon and nitrogen-isotope measurements of ancient bone collagen. 132: 105416. DOI: 10.1016/j.jas.2021.105416.
Guiry E., No毛l S., Fowler J. 2021. Archaeological herbivore 未鹿鲁C and 未鲁鈦碨 provide a marker for salt-marsh use and new insights into the process of 鹿鈦礜 enrichment in coastal plants. 125: 105295. DOI: 10.1016/j.jas.2020.105295.
Guiry E., Orchard T.J., Needs-Howarth S., Szpak P. 2021. Isotopic evidence for garden hunting and resource depression in the Late Woodland of northeastern North America. 86 (1): 90-110. DOI: 10.1017/aaq.2020.86.
2020
Guiry E., Szpak P. 2020. Quality-control for modern bone-collagen stable-carbon and nitrogen-isotope measurements. 11 (9): 1049-1060. DOI: 10.1111/2041-210X.13433.
Guiry E., Buckley M., Orchard T., Hawkins A., Needs-Howarth S., et al. 2020. Deforestation caused abrupt shift in Great Lakes ecosystem. 65 (8): 1921-1935. DOI: 10.1002/lno.11428.
Guiry E., Royle T., Matson R.G., Ward H., Weir T., et al. 2020. Differentiating salmonid migratory ecotypes through stable-isotope analysis of collagen: archaeological and ecological applications. 15 (4): e0232180. DOI: 10.1371/journal.pone.0232180.
Guiry E., Orchard T.J., Royle T., Cheung C.C., Yang D.Y. 2020. Dietary plasticity and the extinction of the passenger pigeon (Ectopistes migratorius). 233: 106225. DOI: 10.1016/j.quascirev.2020.106225.
Guiry E., Hunt B.P.V. 2020. Integrating fish-scale and bone isotopic compositions for deep-time retrospective studies. 160: 104982. DOI: 10.1016/j.marenvres.2020.104982.
Guiry E., Szpak P. 2020. Seaweed-eating sheep show that 未鲁鈦碨 evidence for marine diets can be fully masked by sea-spray effects. 34: e8868. DOI: 10.1002/rcm.8868.
Guiry E., Orchard T.J., Needs-Howarth S., Royle T., Yang D.Y., Szpak P. 2020. Evidence for freshwater residency among Lake Ontario Atlantic salmon (Salmo salar) spawning in New York. 46: 1036-1046. DOI: 10.1016/j.jglr.2020.05.009.
Losey R., Guiry E., Nomokonova T., Gusev A., Szpak P. 2020. Storing fish? A dog鈥檚 isotopic biography provides insight into Iron Age food-preservation strategies in the Russian Arctic. 12: 1-12. DOI: 10.1007/s12520-020-01166-3.
Britton K., Guiry E. 2020. Isotope bioarchaeology in historical archaeology. In Zarankin A. (ed.), (pp. 423-442). Routledge. DOI: 10.4324/9781315202846.
Royle T., Zhang H., Guiry E., Orchard T.J., Needs-Howarth S., Yang D.Y. 2020. Investigating the sex-selectivity of a Middle Ontario Iroquoian Atlantic salmon (Salmo salar) and lake-trout (Salvelinus namaycush) fishery through ancient DNA analysis. 31: 102301. DOI: 10.1016/j.jasrep.2020.102301.
Hillis D., McKechnie I., Guiry E., St Claire D.E., Darimont C.Y. 2020. Ancient dog foods on the Pacific Northwest Coast: zooarchaeological and stable-isotope modelling evidence from Tseshaht territory and beyond. 10: 15630. DOI: 10.1038/s41598-020-71574-x.
McKenzie C., Murphy E.M., Guiry E., Donnelly C.J., Beglane F. 2020. Diet in medieval Gaelic Ireland: a multiproxy study of the human remains from Ballyhanna, Co. Donegal. 121: 105203. DOI: 10.1016/j.jas.2020.105203.
Harris A., Grimes V., Alexander M., Eriksson G., Elliott D., Guiry E., et al. 2020. Diversity in Labrador Inuit sled-dog diets: insights from 未鹿鲁C and 未鹿鈦礜 analysis of dog bone and dentine collagen. 32: 102424. DOI: 10.1016/j.jasrep.2020.102424.
2019
Guiry E. 2019. Complexities of stable-isotope biogeochemistry in ancient freshwater ecosystems: implications for the study of past subsistence and environmental change. 7: 313. DOI: 10.3389/fevo.2019.00313.
Hawkins A.H., Needs-Howarth S., Orchard T., Guiry E. 2019. Beyond the local fishing hole: a preliminary study of pan-regional fishing in southern Ontario (ca. 1000 CE to 1750 CE). 24: 856-868. DOI: 10.1016/j.jasrep.2019.03.007.
2018
Guiry E., Buckley M. 2018. Urban rats have less-variable, higher-protein diets. 285: 20181441. DOI: 10.1098/rspb.2018.1441.
Guiry E., Beglane F., Szpak P., Schulting R., McCormick F., Richards M.P. 2018. Anthropogenic changes to the Holocene nitrogen cycle in Ireland. 4: eaas9383. DOI: 10.1126/sciadv.aas9383.
Guiry E., Jones B.M., deFrance S., Bruseth J.E., Durst J., Richards M.P. 2018. Animal husbandry and colonial adaptive behaviour: isotopic insights from the La Belle shipwreck fauna. 52: 684-699. DOI: 10.1007/s41636-018-0142-7.
2017
Guiry E., Szpak P., Richards M.P. 2017. Isotopic analyses reveal geographical and socioeconomic patterns in historical domestic-animal trade between wheat- and maize-agricultural regions in eastern North America. 82: 341-352. DOI: 10.1017/aaq.2016.34.
Guiry E., Karavani膰 I., 艩o拧i膰 Klind啪i膰 R., Talamo S., Radovi膰 S., Richards M.P. 2017. Radiocarbon dates and isotope palaeodietary studies of humans from the Neolithic site of Zemunica, Dalmatia, Croatia. 20: 235-246. DOI: 10.1017/eaa.2016.24.
2016
Guiry E., Needs-Howarth S., Friedland K.F., Hawkins A., Szpak P., et al. 2016. Lake Ontario salmon (Salmo salar) were not migratory: a long-standing historical debate solved through stable-isotope analysis. 6: 36249. DOI: 10.1038/srep36249.
Guiry E., Hillier M., Boaventura R., Silva A.M., Oosterbeek L., Tom茅 T., Valera A., Cardoso J.L., Hepburn J.C., Richards M.P. 2016. The transition to agriculture in south-western Europe: new isotopic insights from Portugal鈥檚 Atlantic coast. 90: 604-619. DOI: 10.15184/aqy.2016.34.
Guiry E., Szpak P., Richards M.P. 2016. Effects of lipid extraction and ultrafiltration on stable-carbon and nitrogen-isotope compositions of fish-bone collagen. 30: 1591-1600. DOI: 10.1002/rcm.7590.
Guiry E., Hepburn J.C., Richards M.P. 2016. High-resolution serial sampling for nitrogen-isotope analysis of archaeological mammal teeth. 69: 21-28. DOI: 10.1016/j.jas.2016.03.005.
Guiry E., Gaulton B. 2016. Inferring human behaviours from isotopic analyses of rat diets: a critical review and historical application. 23: 399-426. DOI: 10.1007/s10816-015-9248-9.
Antsey R.J., Guiry E., Renouf M.A.P., Deal M. 2016. Dating archaeobotanical remains: a cautionary tale from Port au Choix, Newfoundland. 25 (1): 75-84. DOI: 10.1007/s00334-015-0526-y.
Letham B., Martindale A., Guiry E., Macdonald R., Ames K. 2016. Post-glacial relative sea-level history of Prince Rupert Harbour, British Columbia, Canada. 153: 156-191. DOI: 10.1016/j.quascirev.2016.10.004.
Tourigny E., Thomas R., Guiry E., Earp R., Allen A., et al. 2016. An osteobiography of a 19th-century dog from Toronto, Canada. 26: 818-829. DOI: 10.1002/oa.2483.
2015
Guiry E., Hillier M., Richards M.P. 2015. Mesolithic dietary heterogeneity on the European Atlantic coast: stable-isotope insights into hunter-gatherer foodways in the Sado Valley, Portugal. 56: 460-470. DOI: 10.1086/680854.
Guiry E., Staniforth M., Nehlich O., Grimes V., Smith C., et al. 2015. Tracing historical animal husbandry, meat trade, and food provisioning: a multi-isotopic approach to the analysis of shipwreck faunal remains from William Salthouse, Port Phillip, Australia. 1: 21-28. DOI: 10.1016/j.jasrep.2014.10.001.
2014
Guiry E., Harpley B., Jones Z., Smith C. 2014. Integrating stable-isotope and zooarchaeological analyses in historical archaeology: a case study from the urban 19th-century Commonwealth Block site, Melbourne, Australia. 18: 415-440. DOI: 10.1007/s10761-014-0264-3.
Guiry E., No毛l S., Tourigny E. 2014. Stable-isotope bone chemistry and human鈥揳nimal interactions in north-eastern historical archaeology. 41: 126-143. DOI: 10.22191/neha/vol41/iss1/7.
Grimes V., Fuller B.T., Guiry E. 2014. Reconstructing diets and origins of Vikings at Hr铆sbr煤, Mosfell Valley, Iceland: the carbon, nitrogen and strontium isotope evidence. In Zori D., Byock J. (eds.), (pp. 105-116). Brepols, Belgium. DOI: 10.1484/M.CURSOR-EB.1.102215.
2013
Guiry E., Grimes V. 2013. Domestic-dog (Canis familiaris) diets among coastal Late Archaic groups of north-eastern North America: a case study for the canine-surrogacy approach. 32: 732-745. DOI: 10.1016/j.jaa.2013.04.005.
Guiry E. 2013. A canine-surrogacy approach to human palaeodietary bone chemistry: past development and future directions. 5: 275-286. DOI: 10.1007/s12520-013-0133-8.
2012
Guiry E. 2012. Dogs as analogues in human stable-isotope-based palaeodietary reconstructions: a review and consideration for future use. 19: 351-376. DOI: 10.1007/s10816-011-9118-z.
Guiry E., No毛l S., Tourigny E., Grimes V. 2012. A stable-isotope method for identifying the trans-Atlantic origin of pig remains at early European fishing stations in Newfoundland. 39: 2012-2022. DOI: 10.1016/j.jas.2012.03.004.