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P. Szpak · SciRah

Researcher profile · Semantic Scholar

P. Szpak

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P. Szpak — researcher profile on SciRah

h-index: 33
Works: 117
Citations: 4,139

Most-cited papers

Best practices for calibrating and reporting stable isotope measurements in archaeology
P. Szpak, Jessica Z. Metcalfe, R. Macdonald
2017302 citations
Semantic Scholar
Isotopic evidence for oligotrophication of terrestrial ecosystems
J. Craine, A. Elmore, Li-Xin Wang, J. Aranibar +34 more
2018Nature Ecology & Evolution196 citations Open access
Semantic Scholar
Improved quality control criteria for stable carbon and nitrogen isotope measurements of ancient bone collagen
E. Guiry, P. Szpak
2021Journal of Archaeological Science164 citations Open access
Semantic Scholar
Ancient Mitogenomes Reveal the Evolutionary History and Biogeography of Sloths.
F. Delsuc, M. Kuch, G. Gibb, Emil Karpinski +9 more
2019Current Biology111 citations Open access
Semantic Scholar
Quality control for modern bone collagen stable carbon and nitrogen isotope measurements
E. Guiry, P. Szpak
2020Methods in Ecology and Evolution86 citations Open access
Semantic Scholar
Mammuthus Population Dynamics in Late Pleistocene North America: Divergence, Phylogeography, and Introgression
J. Enk, Alison M. Devault, Christopher Widga, J. Saunders +10 more
2016Frontiers in Ecology and Evolution82 citations Open access
Semantic Scholar
Zinc Isotope Ratios as Indicators of Diet and Trophic Level in Arctic Marine Mammals
K. Jaouen, P. Szpak, M. Richards
2016PLoS ONE71 citations Open access
Semantic Scholar
Effects of lipid extraction and ultrafiltration on stable carbon and nitrogen isotopic compositions of fish bone collagen.
E. Guiry, P. Szpak, M. Richards
2016Rapid Communications in Mass Spectrometry70 citations Open access
Semantic Scholar
Historical ecology and the conservation of large, hermaphroditic fishes in Pacific Coast kelp forest ecosystems
T. Braje, T. Rick, P. Szpak, S. Newsome +4 more
2017Science Advances58 citations Open access
Semantic Scholar
Why aquatic scientists should use sulfur stable isotope ratios (ẟ34S) more often.
V. Raoult, A. Phillips, J. Nelson, Yuri V. Niella +6 more
2024Chemosphere53 citations Open access
Semantic Scholar
Interpreting Past Human Diets Using Stable Isotope Mixing Models
Christina Cheung, P. Szpak
2020Journal of Archaeological Method and Theory52 citations
Semantic Scholar
Early Horizon camelid management practices in the Nepeña Valley, north-central coast of Peru
P. Szpak, D. Chicoine, J. Millaire, C. White +2 more
201652 citations Open access
Semantic Scholar
Effects of Sodium Hydroxide Treatment and Ultrafiltration on the Removal of Humic Contaminants from Archaeological Bone
P. Szpak, K. Krippner, M. Richards
201748 citations
Semantic Scholar
Sulfur isotopes (δ34S) in Arctic marine mammals: indicators of benthic vs. pelagic foraging
P. Szpak, Michael Buckley
2020Marine Ecology Progress Series43 citations
Semantic Scholar
Origins of Prehispanic Camelid Wool Textiles from the North and Central Coasts of Peru Traced by Carbon and Nitrogen Isotopic Analyses
P. Szpak, J. Millaire, C. White, George F. Lau +2 more
2015Current Anthropology43 citations
Semantic Scholar
Anthropogenic changes to the Holocene nitrogen cycle in Ireland
E. Guiry, F. Beglane, P. Szpak, R. Schulting +2 more
2018Science Advances41 citations Open access
Semantic Scholar
Deforestation caused abrupt shift in Great Lakes nitrogen cycle
E. Guiry, Michael Buckley, T. Orchard, A. Hawkins +3 more
2020Limnology and Oceanography40 citations Open access
Semantic Scholar
Lake Ontario salmon (Salmo salar) were not migratory: A long-standing historical debate solved through stable isotope analysis
E. Guiry, S. Needs‐Howarth, K. Friedland, A. Hawkins +5 more
2016Scientific Reports40 citations Open access
Semantic Scholar
Hybridization between two high Arctic cetaceans confirmed by genomic analysis
M. Skovrind, J. A. S. Castruita, J. Haile, Eve C. Treadaway +5 more
2019Scientific Reports38 citations Open access
Semantic Scholar
Evolutionary history and palaeoecology of brown bear in North-East Siberia re-examined using ancient DNA and stable isotopes from skeletal remains
A. Rey-Iglesia, A. García-Vázquez, Eve C. Treadaway, J. van der Plicht +5 more
2019Scientific Reports36 citations Open access
Semantic Scholar
Long‐term ecological changes in marine mammals driven by recent warming in northwestern Alaska
P. Szpak, Michael Buckley, C. Darwent, M. Richards
2018Global Change Biology34 citations Open access
Semantic Scholar
Zinc isotopes from archaeological bones provide reliable trophic level information for marine mammals
Jeremy McCormack, P. Szpak, N. Bourgon, M. Richards +4 more
2021Communications Biology32 citations Open access
Semantic Scholar
Population-specific sex and size variation in long-term foraging ecology of belugas and narwhals
M. Louis, M. Skovrind, E. Garde, M. Heide-Jørgensen +2 more
2021Royal Society Open Science31 citations Open access
Semantic Scholar
Freshwater wetland–driven variation in sulfur isotope compositions: Implications for human paleodiet and ecological research
E. Guiry, T. Orchard, Suzzane Needs-Howarth, P. Szpak
2022Frontiers in Ecology and Evolution30 citations Open access
Semantic Scholar
Early evidence for historical overfishing in the Gulf of Mexico
E. Guiry, J. R. Kennedy, M. O'Connell, David D. Gray +2 more
2021Science Advances29 citations Open access
Semantic Scholar
A comparison of nitrogen isotope compositions of charred and desiccated botanical remains from northern Peru
P. Szpak, Katherine L Chiou
2019Vegetation History and Archaeobotany29 citations
Semantic Scholar
Late Pleistocene paleoecology and phylogeography of woolly rhinoceroses
A. Rey-Iglesia, A. Lister, A. Stuart, H. Bocherens +3 more
2021Quaternary Science Reviews28 citations Open access
Semantic Scholar
Differentiating salmonid migratory ecotypes through stable isotope analysis of collagen: Archaeological and ecological applications
Eric Guiry, T. Royle, R. G. Matson, Hillary G. M. Ward +10 more
2020PLoS ONE28 citations Open access
Semantic Scholar
Isotopic Evidence for Garden Hunting and Resource Depression in the Late Woodland of Northeastern North America
E. Guiry, T. Orchard, S. Needs‐Howarth, P. Szpak
2020American Antiquity28 citations Open access
Semantic Scholar
Seaweed-eating sheep show that δ34 S evidence for marine diets can be fully masked by sea spray effects.
E. Guiry, P. Szpak
2020Rapid Communications in Mass Spectrometry25 citations Open access
Semantic Scholar
Plant sulfur isotopic compositions are altered by marine fertilizers
P. Szpak, F. Longstaffe, R. Macdonald, J. Millaire +2 more
2018Archaeological and Anthropological Sciences24 citations
Semantic Scholar
An Assessment of Marine Reservoir Corrections for Radiocarbon Dates on Walrus from the Foxe Basin Region of Arctic Canada
A. Dyke, J. Savelle, P. Szpak, J. Southon +3 more
2018Radiocarbon: An International Journal of Cosmogenic Isotope Research23 citations
Semantic Scholar
Interpreting Past Human Diets Using Stable Isotope Mixing Models—Best Practices for Data Acquisition
Christina Cheung, P. Szpak
2021Journal of Archaeological Method and Theory22 citations
Semantic Scholar
Camelid husbandry in the Atacama Desert? A stable isotope study of camelid bone collagen and textiles from the Lluta and Camarones Valleys, northern Chile
P. Szpak, D. Valenzuela
2020PLoS ONE22 citations Open access
Semantic Scholar
Variation in late holocene marine environments in the Canadian Arctic Archipelago: Evidence from ringed seal bone collagen stable isotope compositions
P. Szpak, J. Savelle, J. Conolly, M. Richards
2019Quaternary Science Reviews21 citations
Semantic Scholar
ISOTOPIC ANALYSES REVEAL GEOGRAPHICAL AND SOCIOECONOMIC PATTERNS IN HISTORICAL DOMESTIC ANIMAL TRADE BETWEEN PREDOMINANTLY WHEAT- AND MAIZE-GROWING AGRICULTURAL REGIONS IN EASTERN NORTH AMERICA
E. Guiry, P. Szpak, M. Richards
2017American Antiquity21 citations Open access
Semantic Scholar
The evolution of dog diet and foraging: Insights from archaeological canids in Siberia
Robert J. Losey, Tatiana Nomokonova, E. Guiry, L. S. Fleming +27 more
2022Science Advances20 citations Open access
Semantic Scholar
An Integrated isotopic study of Early Intermediate Period camelid husbandry in the Santa Valley, Perú
P. Szpak, J. Millaire, C. Chapdelaine, C. White +1 more
2020Environmental Archaeology20 citations
Semantic Scholar
FROM THE PACIFIC TO THE TROPICAL FORESTS: NETWORKS OF SOCIAL INTERACTION IN THE ATACAMA DESERT, LATE IN THE PLEISTOCENE
C. Santoro, E. Gayo, J. Capriles, M. Rivadeneira +13 more
2019Chungara - Revista de Antropología Chilena18 citations Open access
Semantic Scholar
Sexual differences in the foraging ecology of 19th century beluga whales (Delphinapterus leucas) from the Canadian High Arctic
P. Szpak, M. Julien, T. Royle, J. Savelle +2 more
2020Marine mammal science16 citations
Semantic Scholar
Acidification does not alter the stable isotope composition of bone collagen
Tessa Wilson, P. Szpak
2022PeerJ15 citations Open access
Semantic Scholar
Stable Carbon and Nitrogen Isotope Variability of Bone Collagen to Determine the Number of Isotopically Distinct Specimens
C. Hyland, M. Scott, Jennifer Routledge, P. Szpak
2021Journal of Archaeological Method and Theory15 citations Open access
Semantic Scholar
Archaeological evidence for long-term human impacts on sea turtle foraging behaviour
E. Guiry, J. Kennedy, C. Malcom, Mariah M Miller +3 more
2024Royal Society Open Science14 citations Open access
Semantic Scholar
Migration and maize in the Virú Valley: Understanding life histories through multi-tissue carbon, nitrogen, sulfur, and strontium isotope analyses.
C. Hyland, J. Millaire, P. Szpak
2021American Journal of Physical Anthropology14 citations Open access
Semantic Scholar
Electronic supplementary material from Resolving the phylogenetic position of Darwin's extinct ground sloth (Mylodon darwinii) using mitogenomic and nuclear exon data
F. Delsuc, M. Kuch, G. Gibb, J. Hughes +5 more
201814 citations
Semantic Scholar
The ratting of North America: A 350-year retrospective on Rattus species compositions and competition
E. Guiry, Ryan Kennedy, David Orton, P. Armitage +20 more
2024Science Advances13 citations Open access
Semantic Scholar
Storing fish?: a dog’s isotopic biography provides insight into Iron Age food preservation strategies in the Russian Arctic
Robert J. Losey, E. Guiry, T. Nomokonova, A. V. Gusev +1 more
2020Archaeological and Anthropological Sciences13 citations Open access
Semantic Scholar
Stable Isotope Sourcing of Wool from Textiles at Pacatnamú
P. Szpak, J. Millaire, C. White, C. Donnan +1 more
201813 citations
Semantic Scholar
Predicting sample success for large‐scale ancient DNA studies on marine mammals
Xénia Keighley, Maiken Hemme Bro-Jørgensen, Hans Ahlgren, P. Szpak +8 more
2021Molecular Ecology Resources12 citations Open access
Semantic Scholar
Variation in Human Bone Collagen Turnover Among Skeletal Elements
Olivia Hall, S. Forbes, P. Szpak
2026American Journal of Biological Anthropology11 citations Open access
Semantic Scholar

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