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Scopus Author ID: 11839313900
Loop profile: 1589732

Keywords

Compound-specific stable isotope analysis, trophic ecology, movement ecology, coastal ecology, food web ecology, biological oceanography

Countries

United States

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Employment (5)

University of Rhode Island Narragansett Bay Campus: Narragansett, RI, US

2017-08-28 to present | Assistant Professor (Graduate School of Oceanography)
Employment
Source: Self-asserted source
Kelton McMahon

University of California Santa Cruz: Santa Cruz, CA, US

2015-08-01 to 2017-08-28 | Assistant Research Faculty (Institute of Marine Sciences)
Employment
Source: Self-asserted source
Kelton McMahon

University of California Santa Cruz: Santa Cruz, CA, US

2013-01 to 2015-08-01 | Postdoctoral Scholar (Ocean Sciences)
Employment
Source: Self-asserted source
Kelton McMahon

King Abdullah University of Science and Technology: Thuwal, SA

2012-01 to 2012-12 | Postdoctoral scholar (Red Sea Research Center)
Employment
Source: Self-asserted source
Kelton McMahon

Woods Hole Oceanographic Institution: Woods Hole, MA, US

2011-02 to 2012-05 | Postdoctoral scholar (Biology)
Employment
Source: Self-asserted source
Kelton McMahon

Education and qualifications (2)

Massachusetts Institute of Technology: Cambridge, MA, US

2005-09 to 2011-02 | Ph.D. (Biology)
Education
Source: Self-asserted source
Kelton McMahon

Bates College: Lewiston, ME, US

2001-09 to 2005-05 | B.S. (Biology)
Education
Source: Self-asserted source
Kelton McMahon

Funding (5)

Collaborative Research: Sources and transformations of export production: A novel 50-year record of pelagic-benthic coupling from coral and plankton bioarchives

2021-03-01 to 2024-02-29 | Grant
Directorate for Geosciences (Arlington, US)
URL: https://app.dimensions.ai/details/grant/grant.9605950
GRANT_NUMBER: 2049307
Source: Self-asserted source
Kelton McMahon via DimensionsWizard

Understanding dramatic warming and altered fisheries on the US Continental Shelf through observations and multi-scale models

2020-09-01 to 2023-08-31 | Grant
National Oceanic and Atmospheric Administration (Washington D.C., US)
URL: https://app.dimensions.ai/details/grant/grant.9314638
GRANT_NUMBER:

NA20OAR4310483
Source: Self-asserted source
Kelton McMahon via DimensionsWizard

MRI: Acquisition of a Customized GC-IRMS for Isotopic Analysis of Nitrate and Nitrous Oxide at URI

2019-08-15 to 2022-07-31 | Grant
Directorate for Geosciences (Arlington, US)
URL: https://app.dimensions.ai/details/grant/grant.8539203
GRANT_NUMBER: 1919605
Source: Self-asserted source
Kelton McMahon via DimensionsWizard

Collaborative Research: Investigating Holocene Shifts in the Diets and Paleohistory of Antarctic Krill Predators

2017-11-01 to 2020-12-31 | Grant
Directorate for Geosciences (Arlington, US)
URL: https://app.dimensions.ai/details/grant/grant.7425393
GRANT_NUMBER: 1826712
Source: Self-asserted source
Kelton McMahon via DimensionsWizard

Collaborative Research: Investigating Holocene Shifts in the Diets and Paleohistory of Antarctic Krill Predators

2015-08-15 to 2019-07-31 | Grant
National Science Foundation - Directorate for Geosciences (Arlington, US)
URL: https://grants.uberresearch.com/100000085/1443424/Collaborative-Research-Investigating-Holocene-Shifts-in-the-Diets-and-Paleohistory-of-Antarctic-Krill-Predators
GRANT_NUMBER: 1443424
Source: Self-asserted source
Kelton McMahon via DimensionsWizard

Works (42)

On precision and accuracy: A review of the state of compound-specific isotope analysis of amino acids

Organic Geochemistry
2024-09 | Journal article
DOI: 10.1016/j.orggeochem.2024.104823
Part of ISSN: 0146-6380
Contributors: Audreyana Nash; Seth D. Newsome; Kelton W. McMahon
Source: Self-asserted source
Kelton McMahon

Lipid extraction alters amino acid composition and bulk, but not amino acid, carbon and nitrogen isotope values

Rapid Communications in Mass Spectrometry
2024-08-30 | Journal article
DOI: 10.1002/rcm.9848
Contributors: Kelton W. McMahon
Source: check_circle
Crossref

Holocene climate change shifted Southern Ocean biogeochemical cycling and predator trophic dynamics

Limnology and Oceanography
2023-12 | Journal article
DOI: 10.1002/lno.12446
Contributors: Chantel I. Michelson; Michael J. Polito; Michael B. Wunder; Steven D. Emslie; Matthew D. McCarthy; William P. Patterson; Kelton W. McMahon
Source: check_circle
Crossref

Amino acid carbon isotope fingerprints are unique among eukaryotic microalgal taxonomic groups

Limnology and Oceanography
2023-06 | Journal article
DOI: 10.1002/lno.12350
Contributors: Angela R. Stahl; Tatiana A. Rynearson; Kelton W. McMahon
Source: check_circle
Crossref

Dietary plasticity linked to divergent growth trajectories in a critically endangered sea turtle

Frontiers in Ecology and Evolution
2023-02-23 | Journal article
DOI: 10.3389/fevo.2023.1050582
Part of ISSN: 2296-701X
Contributors: Matthew D. Ramirez; Larisa Avens; Anne B. Meylan; Donna J. Shaver; Angela R. Stahl; Peter A. Meylan; Jamie M. Clark; Lyndsey N. Howell; Brian A. Stacy; Wendy G. Teas et al.
Source: Self-asserted source
Kelton McMahon

Insights from Fossil-Bound Nitrogen Isotopes in Diatoms, Foraminifera, and Corals

Annual Review of Marine Science
2023-01-16 | Journal article
DOI: 10.1146/annurev-marine-032122-104001
Part of ISSN: 1941-1405
Part of ISSN: 1941-0611
Contributors: Rebecca S. Robinson; Sandi M. Smart; Jonathan D. Cybulski; Kelton W. McMahon; Basia Marcks; Catherine Nowakowski
Source: Self-asserted source
Kelton McMahon

Investigating preservation of stable isotope ratios in subfossil deep-sea proteinaceous coral skeletons as paleo-recorders of biogeochemical information over multimillennial timescales

Geochimica et Cosmochimica Acta
2022-12 | Journal article
DOI: 10.1016/j.gca.2022.09.023
Part of ISSN: 0016-7037
Contributors: Danielle S. Glynn; Kelton W. McMahon; Owen A. Sherwood; Thomas P. Guilderson; Matthew D. McCarthy
Source: Self-asserted source
Kelton McMahon

Biological and geochemical proxies in sediment cores reveal shifts in marine predator population dynamics relative to historic anthropogenic exploitation and recent climate change at South Georgia Island sub-Antarctic

Polar Biology
2022-08 | Journal article
DOI: 10.1007/s00300-022-03067-8
Contributors: Allyson K. Kristan; Kanchan Maiti; Kelton W. McMahon; Michael A. Dance; Michael J. Polito
Source: check_circle
Crossref

Meta‐analysis of primary producer amino acid δ15N values and their influence on trophic position estimation

Methods in Ecology and Evolution
2021-10 | Journal article
DOI: 10.1111/2041-210X.13678
Contributors: Matthew D. Ramirez; Alexi C. Besser; Seth D. Newsome; Kelton W. McMahon
Source: check_circle
Crossref

Arctic lagoon and nearshore food webs: Relative contributions of terrestrial organic matter, phytoplankton, and phytobenthos vary with consumer foraging dynamics

Estuarine, Coastal and Shelf Science
2021-08 | Journal article
DOI: 10.1016/j.ecss.2021.107388
Contributors: Kelton W. McMahon; William G. Ambrose, Jr.; Melinda J. Reynolds; Beverly J. Johnson; Alex Whiting; Lisa M. Clough
Source: check_circle
Crossref

Amino Acid Isotope Analysis

Tracking Animal Migration with Stable Isotopes
2019 | Book chapter
DOI: 10.1016/b978-0-12-814723-8.00007-6
Part of ISBN: 9780128147238
Contributors: Kelton W. McMahon; Seth D. Newsome
Source: Self-asserted source
Kelton McMahon

Outlook for Using Stable Isotopes in Animal Migration Studies

Tracking Animal Migration with Stable Isotopes
2019 | Book chapter
DOI: 10.1016/b978-0-12-814723-8.00010-6
Part of ISBN: 9780128147238
Contributors: Keith A. Hobson; Leonard I. Wassenaar; Gabriel J. Bowen; Alexandre Courtiol; Clive N. Trueman; Christian C. Voigt; Jason B. West; Kelton W. McMahon; Seth D. Newsome
Source: Self-asserted source
Kelton McMahon

Divergent trophic responses of sympatric penguin species to historic anthropogenic exploitation and recent climate change

Proceedings of the National Academy of Sciences
2019-12-17 | Journal article
DOI: 10.1073/pnas.1913093116
Contributors: Kelton W. McMahon; Chantel I. Michelson; Tom Hart; Matthew D. McCarthy; William P. Patterson; Michael J. Polito
Source: check_circle
Crossref

Impact of skeletal heterogeneity and treatment method on interpretation of environmental variability from the proteinaceous skeletons of deep-sea gorgonian octocorals

Chemical Geology
2019-11 | Journal article
DOI: 10.1016/j.chemgeo.2017.12.019
Part of ISSN: 0009-2541
Contributors: Branwen Williams; Kelton McMahon; Sarah Barnes; Devyn Parks; Ella Kim; Tanja Srebotnjak; Peter Etnoyer
Source: Self-asserted source
Kelton McMahon

Alternative functional strategies and altered carbon pathways facilitate broad depth ranges in coral‐obligate reef fishes

Functional Ecology
2019-10 | Journal article
DOI: 10.1111/1365-2435.13400
Contributors: Chancey MacDonald; Tom C. L. Bridge; Kelton W. McMahon; Geoffrey P. Jones; Joseph Tobias
Source: check_circle
Crossref

Major shifts in nutrient and phytoplankton dynamics in the North Pacific Subtropical Gyre over the last 5000 years revealed by high-resolution proteinaceous deep-sea coral δ15N and δ13C records

Earth and Planetary Science Letters
2019-06 | Journal article
DOI: 10.1016/j.epsl.2019.03.014
Part of ISSN: 0012-821X
Contributors: Danielle Glynn; Kelton W. McMahon; Thomas P. Guilderson; Matthew D. McCarthy
Source: Self-asserted source
Kelton McMahon

Trophic position and foraging ecology of Ross, Weddell, and crabeater seals revealed by compound-specific isotope analysis

Marine Ecology Progress Series
2019-02-14 | Journal article
DOI: 10.3354/meps12856
Part of ISSN: 0171-8630
Part of ISSN: 1616-1599
Contributors: EK Brault; PL Koch; DP Costa; MD McCarthy; LA Hückstädt; KT Goetz; KW McMahon; ME Goebel; O Karlsson; J Teilmann et al.
Source: Self-asserted source
Kelton McMahon

Amino acid isotope discrimination factors for a carnivore: physiological insights from leopard sharks and their diet

Oecologia
2018-12 | Journal article
DOI: 10.1007/s00442-018-4276-2
Part of ISSN: 0029-8549
Part of ISSN: 1432-1939
Contributors: John Whiteman; Sora L. Kim; Kelton W. McMahon; Paul L. Koch; Seth D. Newsome
Source: Self-asserted source
Kelton McMahon

Carbon and nitrogen zooplankton isoscapes in West Antarctica reflect oceanographic transitions

Marine Ecology Progress Series
2018-04-12 | Journal article
DOI: 10.3354/meps12524
Part of ISSN: 0171-8630
Part of ISSN: 1616-1599
Contributors: EK Brault; PL Koch; KW McMahon; KH Broach; AP Rosenfield; W Sauthoff; VJ Loeb; KR Arrigo; WO Smith
Source: Self-asserted source
Kelton McMahon

Calibrating amino acid δ13C and δ15N offsets between polyp and protein skeleton to develop proteinaceous deep-sea corals as paleoceanographic archives

Geochimica et Cosmochimica Acta
2018-01 | Journal article
DOI: 10.1016/j.gca.2017.09.048
Part of ISSN: 0016-7037
Contributors: Kelton W. McMahon; Branwen Williams; Thomas P. Guilderson; Danielle S. Glynn; Matthew D. McCarthy
Source: Self-asserted source
Kelton McMahon

Advances in the application of amino acid nitrogen isotopic analysis in ecological and biogeochemical studies

Organic Geochemistry
2017-11 | Journal article
DOI: 10.1016/j.orggeochem.2017.07.009
Part of ISSN: 0146-6380
Contributors: Naohiko Ohkouchi; Yoshito Chikaraishi; Hilary G. Close; Brian Fry; Thomas Larsen; Daniel J. Madigan; Matthew D. McCarthy; Kelton W. McMahon; Toshi Nagata; Yuichi I. Naito et al.
Source: Self-asserted source
Kelton McMahon

Embracing variability in amino acid δ<sup>15</sup>N fractionation: Mechanisms, implications, and applications for trophic ecology

Ecosphere
2016 | Journal article
DOI: 10.1002/ecs2.1511
EID:

2-s2.0-85007313408
Contributors: McMahon, K.W.; McCarthy, M.D.
Source: Self-asserted source
Kelton McMahon via Scopus - Elsevier

Tracing carbon flow through coral reef food webs using a compound-specific stable isotope approach

Oecologia
2016 | Journal article
DOI: 10.1007/s00442-015-3475-3
EID:

2-s2.0-84959454173
Contributors: McMahon, K.W.; Thorrold, S.R.; Houghton, L.A.; Berumen, M.L.
Source: Self-asserted source
Kelton McMahon via Scopus - Elsevier

Millennial-scale plankton regime shifts in the subtropical North Pacific Ocean

Science
2015 | Journal article
DOI: 10.1126/science.aaa9942
EID:

2-s2.0-84951567389
Contributors: McMahon, K.W.; McCarthy, M.D.; Sherwood, O.A.; Larsen, T.; Guilderson, T.P.
Source: Self-asserted source
Kelton McMahon via Scopus - Elsevier

Trophic discrimination of nitrogen stable isotopes in amino acids varies with diet quality in a marine fish

Limnology and Oceanography
2015 | Journal article
DOI: 10.1002/lno.10081
EID:

2-s2.0-84948668467
Contributors: Mcmahon, K.W.; Thorrold, S.R.; Elsdon, T.S.; Mccarthy, M.D.
Source: Self-asserted source
Kelton McMahon via Scopus - Elsevier

Carbon and nitrogen isotope fractionation of amino acids in an avian marine predator, the gentoo penguin (Pygoscelis papua)

Ecology and Evolution
2015-03 | Journal article
DOI: 10.1002/ece3.1437
Contributors: Kelton W. McMahon; Michael J. Polito; Stephanie Abel; Matthew D. McCarthy; Simon R. Thorrold
Source: check_circle
Crossref
grade
Preferred source (of 2)‎

Compound specific amino acid δ13C patterns in a deep-sea proteinaceous coral: Implications for reconstructing detailed δ13C records of exported primary production

Marine Chemistry
2014 | Journal article
DOI: 10.1016/j.marchem.2014.09.008
EID:

2-s2.0-84908338360
Contributors: Schiff, J.T.; Batista, F.C.; Sherwood, O.A.; Guilderson, T.P.; Hill, T.M.; Ravelo, A.C.; McMahon, K.W.; McCarthy, M.D.
Source: Self-asserted source
Kelton McMahon via Scopus - Elsevier

A review of ecogeochemistry approaches to estimating movements of marine animals

Limnol. Oceangr.
2013 | Journal article
DOI: 10.4319/lo.2013.58.2.0697
Part of ISSN: 0024-3590
Contributors: Kelton W. McMahon; Li Ling Hamady; Simon R. Thorrold
Source: Self-asserted source
Kelton McMahon via Crossref Metadata Search
grade
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Ocean ecogeochemistry – A review

Oceanography and Marine Biology: An Annual Review
2013 | Book chapter
Source: Self-asserted source
Kelton McMahon

Linking habitat mosaics and connectivity in a coral reef seascape

Proceedings of the National Academy of Sciences of the United States of America
2012 | Journal article
DOI: 10.1073/pnas.1206378109
EID:

2-s2.0-84866535687
Contributors: McMahon, K.W.; Berumen, M.L.; Thorrold, S.R.
Source: Self-asserted source
Kelton McMahon via Scopus - Elsevier

Carbon isotopes in otolith amino acids identify residency of juvenile snapper (Family: Lutjanidae) in coastal nurseries

Coral Reefs
2011 | Journal article
DOI: 10.1007/s00338-011-0816-5
EID:

2-s2.0-80255137259
Contributors: McMahon, K.W.; Berumen, M.L.; Mateo, I.; Elsdon, T.S.; Thorrold, S.R.
Source: Self-asserted source
Kelton McMahon via Scopus - Elsevier

Functional connectivity of coral reef fishes in a tropical seascape assessed by compound-specific stable isotope analyses

2011 | Book
DOI: 10.1575/1912/4481
Contributors: Kelton W. McMahon
Source: Self-asserted source
Kelton McMahon via Crossref Metadata Search

A new method to reconstruct fish diet and movement patterns from δ 13 C values in otolith amino acids

Can. J. Fish. Aquat. Sci.
2011-08 | Journal article
DOI: 10.1139/f2011-070
Part of ISSN: 0706-652X
Contributors: Kelton W. McMahon; Marilyn L. Fogel; Beverly J. Johnson; Leah A. Houghton; Simon R. Thorrold; Bronwyn Gillanders
Source: Self-asserted source
Kelton McMahon via Crossref Metadata Search
grade
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Experimental evaluation of stable isotope fractionation in fish muscle and otoliths

Marine Ecology Progress Series
2010 | Journal article
DOI: 10.3354/meps08518
EID:

2-s2.0-77954100037
Contributors: Elsdon, T.S.; Ayvazian, S.; McMahon, K.W.; Thorrold, S.R.
Source: Self-asserted source
Kelton McMahon via Scopus - Elsevier

Carbon isotope fractionation of amino acids in fish muscle reflects biosynthesis and isotopic routing from dietary protein

Journal of Animal Ecology
2010-07-09 | Journal article
DOI: 10.1111/j.1365-2656.2010.01722.x
Part of ISSN: 0021-8790
Contributors: Kelton W. McMahon; Marilyn L. Fogel; Travis S. Elsdon; Simon R. Thorrold
Source: Self-asserted source
Kelton McMahon via Crossref Metadata Search
grade
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Using Isoscapes to Trace the Movements and Foraging Behavior of Top Predators in Oceanic Ecosystems

Isoscapes
2009-11-05 | Other
DOI: 10.1007/978-90-481-3354-3_14
ISBN: 978-90-481-3353-6
Contributors: Brittany S. Graham; Paul L. Koch; Seth D. Newsome; Kelton W. McMahon; David Aurioles
Source: Self-asserted source
Kelton McMahon via Crossref Metadata Search
grade
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Transequatorial Migrations by Basking Sharks in the Western Atlantic Ocean

Current Biology
2009-06 | Journal article
DOI: 10.1016/j.cub.2009.04.019
Part of ISSN: 0960-9822
Contributors: Gregory B. Skomal; Stephen I. Zeeman; John H. Chisholm; Erin L. Summers; Harvey J. Walsh; Kelton W. McMahon; Simon R. Thorrold
Source: Self-asserted source
Kelton McMahon via Crossref Metadata Search
grade
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Bivalves as indicators of environmental variation and potential anthropogenic impacts in the southern Barents Sea

Marine Pollution Bulletin
2009-01 | Journal article
DOI: 10.1016/j.marpolbul.2009.02.022
Part of ISSN: 0025-326X
Contributors: Michael L. Carroll; Beverly J. Johnson; Gregory A. Henkes; Kelton W. McMahon; Andrey Voronkov; William G. Ambrose; Stanislav G. Denisenko
Source: Self-asserted source
Kelton McMahon via Crossref Metadata Search
grade
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One man's swamp is a fish's nursery: The ear bones of fish provide clues to help protect critical habitats for juvenile coral reef fish

Oceanus
2008 | Journal article
EID:

2-s2.0-77955104956
Contributors: McMahon, K.
Source: Self-asserted source
Kelton McMahon via Scopus - Elsevier

Benthic community response to ice algae and phytoplankton in Ny Ålesund, Svalbard

Marine Ecology Progress Series
2006 | Journal article
EID:

2-s2.0-33646269935
Contributors: McMahon, K.W.; Ambrose Jr., W.G.; Johnson, B.J.; Sun, M.-Y.; Lopez, G.R.; Clough, L.M.; Carroll, M.L.
Source: Self-asserted source
Kelton McMahon via Scopus - Elsevier

Variation in Serripes groenlandicus (Bivalvia) growth in a Norwegian high-Arctic fjord: evidence for local- and large-scale climatic forcing

Global Change Biol
2006-09 | Journal article
DOI: 10.1111/j.1365-2486.2006.01181.x
Part of ISSN: 1354-1013
Contributors: WILLIAM G. AMBROSE; MICHAEL L. CARROLL; MICHAEL GREENACRE; SIMON R. THORROLD; KELTON W. McMAHON
Source: Self-asserted source
Kelton McMahon via Crossref Metadata Search
grade
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Diet and movement of the killifish,Fundulus heteroclitus, in a Maine salt marsh assessed using gut contents and stable isotope analyses

Estuaries
2005 | Journal article
DOI: 10.1007/bf02696024
Part of ISSN: 0160-8347
Contributors: Kelton W. McMahon; Beverly J. Johnson; William G. Ambrose
Source: Self-asserted source
Kelton McMahon via Crossref Metadata Search
grade
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Peer review (9 reviews for 5 publications/grants)

Review activity for Aquatic ecology. (1)
Review activity for Coral reefs. (4)
Review activity for Estuaries and coasts. (1)
Review activity for Marine biology. (1)
Review activity for Nature (2)
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