Publications / Presentations
Publications / Maps / Tech Reports / Presentations
Publications
2026
Gryba R, Von Duyke AL, Huntington HP, Adams B, Frantz B, Gatten J, Harcharek Q, Sarren R, Henry G, Auger-Méthé M (2026) A Bayesian approach to include Indigenous Knowledge and satellite telemetry data in habitat selection functions. J Applied Ecology. ACCEPTED
Hauser DDW, Von Duyke AL, Ferloni G, Crawford JA, Quakenbush L (2026) Year-round potential exposure of ringed seals to vessel traffic in the Pacific Arctic, 2013-2022. Endangered Species Research. IN PRESS. https://doi.org/10.3354/esr01500
Lindsay JM, Conn PB, Boveng PL, Crawford JA, Quakenbush LT, Von Duyke AL, and Laidre KL (2026) Ringed seal (Pusa hispida) haul-out and emergence timing in the Bering, Chukchi, and Beaufort Seas. Ecology and Evolution. 16(1) e72948. https://doi.org/10.1002/ece3.72948
2025
Baird AB, Georges M, Lokkesmoe M, Shpak O, Sheffield G, George JC, Person B, Sformo TL, de Sousa L, Von Duyke AL, Scheimreif K, Olemaun FJ, Frantz R, & Stimmelmayr R (2025) Hiding in plain sight: Molecular characterization of whale cyamids from bowhead whales (Balaena mysticetus). Cetacean Population Studies, advpub. https://doi.org/10.34331/cpops.2024-F-001
Boveng PL, Chernook VI, Moreland EE, Conn PB, Trukhanova IS, Cameron MF, Christman CL, Crawford JA, Glazov D, Harwood L, Hou BX, Koslovsky SM, Lindsay JM, Litovka DI, London JM, McClintock BT, Platonov N, Quakenbush L, Richmond EL, Vasiliev A, Von Duyke AL, Willoughby A (2025) Abundance and distribution of ringed and bearded seals in the Chukchi Sea: A reference for future trends. Arctic Science. https://doi.org/10.1139/as-2024-0068
Miller S, Wilson RR, Mangipane LS, Gordon-II N, Von Duyke AL, Sims-Kayotuk Carla (2025) Efficacy of deterrents for mitigating human-polar bear conflict in northern Alaska. Wildlife Society Bulletin. e1589. https://doi.org/10.1002/wsb.1589
Gryba R, Von Duyke AL, Huntington HP, Adams B, Frantz B, Gatten J, Harcharek Q, Sarren R, Henry G, and Auger-Méthé M (2025) Indigenous Knowledge as a sole data source in habitat selection functions. Proceedings of the National Academy of Science. 122 (15) e2411946122. https://doi.org/10.1073/pnas.2411946122 link
Regehr EV, Quakenbush L, Von Duyke AL, Citta J, & Lindsay J (2025) Population projections and sensitivity analyses for ringed seals under climate warming. Ecological Applications 35(8): e70127. https://doi.org/10.1002/eap.70127
2024
London JM, Conn PB, Koslovsky SM, Richmond EL, Ver Hoef JM, Cameron MF, Crawford JA, Von Duyke AL, Quakenbush L, Boveng PL (2024) Spring haul-out behavior of seals in the Bering and Chukchi Seas: implications for abundance estimation. PeerJ 12:e18160 https://doi.org/10.7717/peerj.18160
2023
Givens G, George JC, Suydam R, Tudor B, Von Duyke AL, Person B (2023) Correcting the 2019 survey abundance of Bering-Chukchi-Beaufort Seas bowhead whales for disturbance from powered skiffs. Journal of Cetacean Research and Management 24(1):47-61. https://doi.org/10.47536/jcrm.v22i1.362
Olnes J, Crawford J, Okkonen S, Citta JJ, Quakenbush L, Von Duyke AL, Maslowski W, Osinski R, and Druckenmiller ML (2023) Oceanographic influences on spotted seal foraging in the Pacific Arctic. Continental Shelf Research. https://doi.org/10.1016/j.csr.2023.105136
Von Duyke AL, Crawford JA, Quakenbush L, Adams JR, & Waits LP (2023) Determination of polar bear (Ursus maritimus) individual genotype and sex based on DNA extracted from paw-prints in snow. Frontiers in Conservation Science, 4. https://doi.org/10.3389/fcosc.2023.1166279
2022
Hamilton CD, Lyderson C, ... Von Duyke AL, et al. (2022) Arctic marine mammal hotspots across the circumpolar Arctic. Diversity and Distributions. 00:1-25. https://doi.org/10.1111/ddi.13543
2021
George JC, Thewissen JGM, Von Duyke AL, Breed GA, Suydam R, Sformo TL, Person BT, & Brower HK (2021) Chapter 7—Life history, growth, and form. In JC George & JGM Thewissen (Eds.), The Bowhead Whale (pp. 87–115). Academic Press. https://doi.org/10.1016/B978-0-12-818969-6.00007-8
Gryba R, Huntington HP, Von Duyke AL, Adams B, Frantz B, Gatten J, Harcharek Q, Olemaun H, Sarren R, Skin J, Henry G, and Auger-Méthé M (2021) Indigenous knowledge of bearded seal (Erignathus barbatus), ringed seal (Pusa hispida), and spotted seal (Phoca largha) behaviour and habitat use near Utqiaġvik, Alaska. Arctic Science. e-First. https://doi.org/10.1139/AS-2020-0052
Hoy S, Forbey J, Melody D, Vucetich L, Peterson RO, Koitzsch K, Koitzsch L, Von Duyke AL, Henderson J, Parikh G, and Vucetich J. (2021) The nutritional condition of moose co-varies with climate, but not with density, predation risk, or diet composition. Oikos. http://doi.org/10.1111/oik.08498
Olnes J, Breed G, Druckenmiller M, Citta JJ, Crawford JA, Von Duyke AL, Frost KJ, and Quakenbush L. (2021) Juvenile bearded seal response to a decade of sea ice change in the Bering, Chukchi, and Beaufort seas. Marine Ecology Progress Series 661:229-242. https://doi.org/10.3354/meps13609
Regehr EV, Runge MC, Von Duyke AL, Wilson RR, Polasek L, Rode KD, Hostetter NJ, and Converse SJ (2021) Demographic risk assessment for a harvested species threatened by climate change: polar bears in the Chukchi Sea. Ecological Applications 31( 8):e02461. https://doi.org/10.1002/eap.2461
2020
Davidson S, Bohrer G., …Von Duyke AL, et al. (2020) New ecological insights from the Arctic Animal Movement Archive (AAMA). Science 370:712-715. https://doi.org/10.1126/science.abb7080
Olnes J, Crawford J, Citta JJ, Druckenmiller ML, Von Duyke AL, and Quakenbush L (2020) Movement, diving, and haul-out behaviors of juvenile bearded seals in the Bering, Chukchi and Beaufort seas, 2014–2018. Polar Biology 43:1307–1320. https://doi.org/10.1007/s00300-020-02710-6
Von Duyke AL, Douglas DC, Herreman JK, and Crawford JA (2020) Ringed seal (Pusa hispida) seasonal movements, diving, and haul-out behavior in the Beaufort, Chukchi, and Bering Seas (2011–2017). Ecology and Evolution 10:5595-5619. https://doi.org/10.1002/ece3.6302
2019
Gryba R, Wiese FK, Kelly BP, Von Duyke AL, Pickart RS, and Stockwell DA (2019) Inferring foraging locations and water masses preferred by spotted (Phoca largha) and bearded seals (Erignathus barbatus). Marine Ecology Progress Series 631:209-224. https://doi.org/10.3354/meps13145
2018
Citta J, Lowry L, Quakenbush L, Kelly B, Fischbach A, London J, Jay C, Frost K, O'Corry Crowe G, Crawford J, Boveng P, Cameron M, Von Duyke A, Nelson M, Harwood L, Richard P, Suydam R, Heide-Jorgensen MP, Hobbs R, Litovka D, Whiting A, Marcoux M, Kennedy A, George J, Orr J, and Gray T. (2018) A multi-species synthesis of satellite telemetry data in the Pacific Arctic (1987–2015): Overlap of marine mammal distributions and core use areas. Deep Sea Research II 152:132-153. https://doi.org/10.1016/j.dsr2.2018.02.006
Von Duyke AL (2018) Ecological Implications of Foraging and Life-history in Three Cold-adapted Species. Open Access Dissertation, Michigan Technological University. https://digitalcommons.mtu.edu/etdr/691
2016 and earlier
Von Duyke AL, Stimmelmayr R, Sheffield G, Sformo T, Suydam R, Givens GH, and George JC (2016) Assessment of the prevalence of cyamid “whale lice” (Cyamus ceti) on subsistence harvested bowhead whales (Balaena mysticetus). Arctic 69(4):331-340. https://doi.org/10.14430/arctic4593
In Review / Revision / Prep
Connor M, Von Duyke AL, Brinkman T, Adams Billy, Leavitt J, and Hauser DDW (2026) Combining remote monitoring, environmental conditions, and community-based observations to understand spotted seal terrestrial ecology. Arctic Science. IN REVIEW.
Von Duyke AL, Douglas D, Crawford J, and Gryba R. (2022) Seasonal movements, dives, and haul-out behavior of spotted seals (Phoca largha) in the Beaufort, Chukchi, and Bering Seas (2012-2020). IN PREP.
Maps
Technical Reports
2026
2024
2023
2022
Scheimreif K, Citta J, Stimmelmayr R, Sformo TL, Olemaun F, Anashugak P, VonDuyke AL, Acker R, Person BT, Sousa L, Agnasagga L, SimsKayotuk C, Kanayurak N, George C, Suydam R (2022) Subsistence harvest of bowhead whales (Balaena mysticetus) by Alaskan Natives during 2021. Paper SC/68D/ASW/01 presented to the Scientific Committee of the International Whaling Commission.
Stimmelmayr R, Citta J, Scheimreif K, Ferguson M, Givens GH, Willoughby A, Brower A, Von Duyke AL, Sheffield G, Person B, Sformo T, Sousa L, and Suydam R (2022) 2020-2021 Health Report for the Bering-Chukchi-Beaufort Seas Bowhead Whales. SC68D/ASW/03. Paper submitted to the 2022 IWC scientific committee.
2021
Givens GH, George JC, Suydam R, Tudor B, Von Duyke AL, Person B, Scheimreif K (2021) Correcting the 2019 survey abundance of Bering-Chukchi-Beaufort Seas bowhead whales for disturbance from powered skiffs. Journal of Cetacean Research and Management. SC/68C/ASI/01 presented to the Scientific Committee of the International Whaling Commission.
2019
Suydam R, George JC, Person BT, Stimmelmayr R, Sformo TL, Pierce L, Von Duyke AL, Sousa L, Acker R, Sheffield G, and Baird A (2019) Subsistence harvest of bowhead whales (Balaena mysticetus) by Alaskan Natives during 2018. Paper SC/68A/AWS/02 presented to the Scientific Committee of the International Whaling Commission.
2018
Regehr EV, Polasek L, Von Duyke AL, Wilder JM, and Wilson RR (2018) Harvest Risk Assessment for Polar Bears in the Chukchi Sea: Report to the Commissioners of the U.S.-Russia Polar Bear Agreement, 25 June 2018. Unpublished report. 95 pp. Available at: http://www.adfg.alaska.gov/static/home/library/pdfs/wildlife/research_pdfs/chukchi_polar_bear_harvest_report_final_25june18.pdf
2017
2016 and earlier
Von Duyke AL (2006) Monitoring, research, and management activities at the Peltier Island heronry during 2004 & 2005 field season. Final report submitted to the State Wildlife Grants Program.
Von Duyke AL (2006) Great Blue Herons at Peltier Lake – Recent developments. Summary report submitted to the City of Centerville, Minnesota.
Von Duyke AL (1998) Industrial Design vs. Product Development. World of Design Magazine - St. Petersburg, Russia. (Summer): 54-59.
Presentations
2026
Citta JJ, Von Duyke AL, Adams B, Stafford KM, Kosma M, Givens GH, Tolkova I, Bouffaut L, Klink H, Sformo TL, Phelps JT, Olnes J, Wilford CW, and Person BT (2026) Update on the 2025 ice-based bowhead whale abundance survey [Poster Presentation] Alaska Marine Science Symposium, Anchorage, AK. January 2026. ABSTRACT POSTER
Connor M, Brinkman T, Von Duyke AL, and Hauser D (2026) Applying novel methodologies to study a highly sensitive species: Small drones and spotted seals [Poster Presentation] Alaska Marine Science Symposium, Anchorage, AK. January 2026. ABSTRACT POSTER
Crawford JA, Von Duyke AL, Quakenbush L, Adams JR, and Waits LP (2026) Non-invasive genetic population monitoring of polar bears on Alaska's North Slope [Oral Presentation] Alaska Marine Science Symposium, Anchorage, AK. January 2026. ABSTRACT
Lewis R, Fournet M, Gosuk S, Von Duyke AL, Bouffaut L (2026) Shifting bearded seal contributions to breeding soundscapes in Arctic and sub-Arctic Alaska with sea ice loss [Oral Presentation] 26th Biennial Conference on the Biology of Marine Mammals, San Juan, PR. October 2026. ABSTRACT
Lewis R, Fournet M, and Von Duyke AL (2026) Shifting bearded seal breeding phenology with sea ice loss in the Alaskan Arctic [Poster Presentation] Alaska Marine Science Symposium, Anchorage, AK. January 2026. ABSTRACT POSTER
Mohapatra P, Tolkova I, Sarkar A, Sehgal A, Salisbury DP, Von Duyke AL, Bouffaut L, Klinck H, and Sun JJ (2026) Agentic discovery of multi-channel bioacoustic association algorithms. [Poster Presentation] ICLR 2026 Workshop FM4Science. April 2026. ABSTRACT
O'Connor J, Stimmelmayr R, Chenoweth EM, Von Duyke AL, and Horstman L (2026) Assessment of microplastics exposure, translocation and long-term storage in Alaskan Polar bears [Poster Presentation] Alaska Marine Science Symposium, Anchorage, AK. January 2026. ABSTRACT POSTER
2025
Connor M, Hauser DDW, Brinkman T, and Von Duyke AL (2025) Exploring novel technologies to assess spotted seal terrestrial ecology [Poster Presentation] Alaska Marine Science Symposium, Anchorage, AK. January 2025. ABSTRACT POSTER
Crawford JA, Von Duyke AL, Quakenbush LT, Adams JR, and Waits LP (2025) Non-invasive genetic monitoring of polar bears on Alaska’s North Slope [Poster Presentation] Alaska Marine Science Symposium, Anchorage, AK. January 2025. ABSTRACT POSTER
Hauser DDM, Von Duyke AL, Ferloni G, Crawford J, Quakenbush L (2025) Ringed seal exposure to vessel traffic in the Pacific Arctic, 2013-2022 [Oral Presentation] Alaska Marine Science Symposium, Anchorage, AK. January 2025. ABSTRACT PRESENTATION
2024
Von Duyke AL, Crawford J, and Adams J (2024) Polar Bear Non-Invasive Sampling Update [Oral Presentation] Alaska Nannut Co-Management Council - Governance Board Meeting, Anchorage, AK. December 2024. pdf presentation (large)
2023
Adams J, Von Duyke AL, Crawford J, Quakenbush L, and Waits LP (2023) Identifying individual polar bears from DNA in footprints [Oral Presentation]. Washington Chapter of The Wildlife Society - Annual Meeting. Centralia, WA. April 2023.
Lewis R, Von Duyke AL, and Fournet MEH (2023) Investigating the relationship between sea ice extent and Erignathus barbatus breeding phenology in the Alaskan Arctic [Poster Presentation]. Animal Behavior Society - Annual Meeting. Portland, OR. July 2023.
Von Duyke AL, Adams J, Crawford J, Hellström M, Kruger E, Quakenbush L, and Waits L (2023) Identity and Sex of Alaskan Polar Bears Determined Using DNA Extracted from Their Footprints in Snow [Poster Presentation]. Alaska Marine Science Symposium. Anchorage, AK. January 2023.
Waits LP, Von Duyke AL, Crawford J, Quakenbush L, and Adams J (2023) Identifying individual polar bears from DNA in footprints [Oral Presentation]. Alaska Chapter of The Wildlife Society - Annual Meeting. Fairbanks, AK. April 2023.
2023
2022
Hauser DDW and Von Duyke AL (2022) Evaluating novel assessment approaches for coastal ice seal haulout areas and behavior in the Alaskan Beaufort Sea [Oral Presentation]. Alaska Coastal Marine Institute 2021 Annual Research Review.
2021
Gryba R, Huntington HP, Von Duyke AL, Adams B, Frantz B, Gatten J, Harcharek Q, Olemaun H, Sarren R, Skin J, Henry G, Auger-Méthé M. (2021) Indigenous Knowledge of Three Ice-associated Seals in Alaskan Waters [Oral Presentation]. Canadian Society of Ecology and Evolution (CSEE) Annual Meeting.
Gryba R, Huntington HP, Von Duyke AL, Adams B, Frantz B, Gatten J, Harcharek Q, Olemaun H, Sarren R, Skin J, Henry G, Auger-Méthé M. (2021) Indigenous Knowledge of the Habitat Use and Behaviour of Three Ice-associated Seals in Alaskan Waters [Oral Presentation]. The Wildlife Society 2021 Annual Conference. https://wildlife.org/tws-2021-indigenous-hunters-teach-researchers-about-seals
2020
2019
Braund SW, Lawrence PB, Sears EG, Schraer RK, Regehr EV, Adams B, Hepa RT, George JC, and Von Duyke AL (2019) Polar Bear Traditional Ecological Knowledge – A Pilot Study to Inform Polar Bear (Ursus maritimus) Management Models [Poster Presentation]. Alaska Marine Science Symposium, Anchorage, AK, January 2019.
Crawford J, Quakenbush L, Bryan A, Nelson M, and Von Duyke AL (2019) Seasonal movements and high-use areas of spotted seals (Phoca largha) in the Pacific Arctic [Poster Presentation]. Alaska Marine Science Symposium, Anchorage, AK, January 2019.
Ferrer T, Von Duyke AL, Stimmelmayr R, Suydam R, Sformo T, and O’Corry-Crowe G (2019) SNP genotyping as a new approach for genetic mark-recapture studies of polar bears, Ursus maritimus, in the Alaskan Arctic [Poster Presentation]. Alaska Marine Science Symposium, Anchorage, AK, January 2019.
Gryba R, Huntington H, Von Duyke AL, Harcharek Q, George JC, Wiese F, Molloy P, and Auger-Méthé M (2019) Preliminary lessons learned from conducting Traditional Knowledge interviews to inform animal movement and habitat suitability models [Poster Presentation]. Alaska Marine Science Symposium, Anchorage, AK, January 2019.
Quakenbush L, Okkonen S, Citta J, Crawford J, Von Duyke AL, George JC, Adams B, Lea E, Nelson M, and Bryan A (2019) Movements and Habitat Use of Pacific Arctic Seals and Whales via Satellite Telemetry and Ocean Sensing [Poster presentation]. Alaska Marine Science Symposium, Anchorage, AK, January 2019.
Von Duyke AL, Sformo T, George JC, Braund SR, Lawrence P, and Gryba R. (2019) Two plus two equals five: A need for synergies between Traditional Knowledge & Western Science [Poster Presentation]. Alaska Marine Science Symposium, Anchorage, AK. January 2019.
2018
2017
Crawford J, Nelson M, Quakenbush L, Von Duyke AL, Henry M, Niksik A, Simon A, Goodwin J, Whiting A, Frost K, London J, Boveng P (2017) Update of hunter-assisted seal tagging and traditional knowledge studies of Pacific Arctic seals, 2016 and beyond [Poster Presentation]. Alaska Marine Science Symposium, 23-27 January, Anchorage, AK.
Morris A, Von Duyke AL, Douglas DC, Gryba R, and Herreman J (2017) Spotted seal (Phoca largha) spatial use, dives, and haul-out behavior in the Beaufort, Chukchi, and Bering Seas (2012-2016) [Poster Presentation]. Alaska Marine Science Symposium, 23-27 January, Anchorage, AK.
Titus K, Nesvacil K, and Von Duyke AL (2017) Non-invasive genetic sampling of polar bears (Ursus maritimus) along the Chukchi Sea coast of Alaska [Poster Presentation]. Alaska Marine Science Symposium, 23-27 January, Anchorage, AK.
2016 and earlier
Von Duyke AL (2015) Nanuq and Akłaq – Polar bears and grizzlies on the North Slope of Alaska in a period of climate warming [Oral Presentation]. Wrangell Bearfest, Wrangell, AK.
Von Duyke AL et al. (2013) The influence of nutrition, predation, and climate on moose population dynamics [Oral Presentation]. The Wildlife Society Annual Meeting - Milwaukee, WI.
Von Duyke AL (2011) The Evolution of Aging. Why Do We Grow Old? [Oral Presentation]. Michigan Tech. University - Houghton, MI.
Von Duyke AL (2011) Preference for Oddity. Heuristics and Optimal Foraging [Oral Presentation]. Michigan Tech. University - Houghton, MI.
Von Duyke AL (2009) Energy Maximization or Time Minimization? Optimal Foraging Strategies in Ungulates [Oral Presentation]. Michigan Tech. University - Houghton, MI.