Highlights indicate first-authored publications and manuscripts that are not yet peer reviewed.

Larsen, G.D. Using Drones in Research, Management and Conservation of Pinnipeds. in “A Manual for Drone Applications in Wildlife Research, Management and Conservation” (working title), eds. S. DesMeules, R. Spaulding, D. Bird. Johns Hopkins University Press. In review with editors.

Larsen, G.D., A. Friedlaender, J. Dale, M.J. Cimino, M. Goerke, D.W. Johnston. Terrestrial spatial distribution and summer abundance of Antarctic fur seals (Arctocephalus gazella) near Palmer Station, Antarctica. Ecology and Evolution: 15: e70833 (2025) https://doi.org/10.1002/ece3.70833

Cimino, M.J., G.D. Larsen, D.W. Johnston, D.V. Groff. Landscape-driven snow cover patterns influence Adélie penguin colonization and extinction. Landscape Ecology: 40: 78 (2025) https://doi.org/10.1007/s10980-025-02085-1

Cui, K., Z. Shao, G.D. Larsen, V. Pauca, S. Alqahtani, D. Segurado, J. Pinheiro, M. Wang, D. Lutz, R. Plemmons, M. Silman. PalmProbNet: A Probabilistic Approach to Understanding Palm Distributions in Ecuadorian Tropical Forest via Transfer Learning. ACMSE '24: Proceedings of the 2024 ACM Southeast Conference: 272–277. (2024) https://doi.org/10.1145/3603287.3651220

J.S. McElhinny, G.D. Larsen, M. Messinger, C.H. Newbolt, A. Whitworth, S.S. Ditchkoff, M.R. Silman, J.T. Beaver. Experimental assessment of large mammal population estimates from airborne thermal videography. Preprint available at bioRxiv https://doi.org/10.1101/2024.12.31.630817

Larsen, G.D. *, H.F. Varga*, D.L. Patterson-Fraser, D.W. Johnston, M.A. Cimino. Drone-based monitoring and geomorphology of southern giant petrel nests near Palmer Station, western Antarctic Peninsula. Polar Biology. 47: 459–474. (2024) https://doi.org/10.1007/s00300-024-03243-y

*co-first authors

Larsen, G.D., D.W. Johnston. Growth and opportunities for drone surveillance in pinniped research. Mammal Review. 54: 1–12. (2024) https://doi.org/10.1111/mam.12325

Baldwin, R.W., J.T. Beaver, M. Messinger, J. Muday, M. Windsor, G.D. Larsen, M. Silman, T.M. Anderson. Camera trap methods and drone thermal surveillance provide reliable, comparable density estimates of large, free-ranging ungulates. Animals. 13(11): 1884. (2023) https://doi.org/10.3390/ani13111884

Cimino, M., J. Conroy, E. Connors, J. Bowman, A. Corso, H Ducklow, W. Fraser, A. Friedlaender, H.H. Kim, G.D. Larsen, C. Moffat, R. Nichols, L. Pallin, D. Roberts, M. Roberts, D. Steinberg, P. Thibodeau, R. Trinh, O. Schofield, S. Stammerjohn. Long-Term Patterns in Ecosystem Phenology near Palmer Station, Antarctica, from the Perspective of the Adélie Penguin. Ecosphere. 14(2): e4417. (2022) https://doi.org/10.1002/ecs2.4417

Bierlich, K.C, J. Hewitt, R. Schick, L. Pallin, J. Dale, A. Friedlaender, F. Christiansen, K.R. Sprogis, A.H. Dawn, C.N. Bird, G.D. Larsen, R. Nichols, M.R. Shero, J. Goldbogen, A.J. Read, D.W. Johnston. Seasonal gain in body condition of foraging humpback whales along the Western Antarctic Peninsula. Frontiers in Marine Science. 9:1036860. (2022) https://doi.org/10.3389/fmars.2022.1036860

Bishop, A.M., C. Brown, K. Christie, A. Kettle, G.D. Larsen, H. Renner, L. Younkins. Surveying cliff-nesting seabirds with uncrewed aircraft systems in the Gulf of Alaska. Polar Biology. 45: 1703–1714. (2022) https://doi.org /10.1007/s00300-022-03101-9

Gray, P.C., A.E. Windle, J. Dale, I. Savelyev, Z.I. Johnson, G.M. Silsbe, G.D. Larsen, D.W. Johnston. Robust ocean color from drones: viewing geometry, sky reflection removal, uncertainty analysis. Limnology and Oceanography: Methods. 20: 656–673. (2022) https://doi.org/10.1002/lom3.10511

Larsen, G.D., A.C. Seymour, E.L. Richmond, L.M. Divine, E.E. Moreland, E. Newton, J.M. London, and D.W. Johnston. Drones reveal spatial patterning of sympatric Alaskan pinniped species and drivers of their local distributions. Drone Systems and Applications. 10(1): 235–255. (2022) https://doi.org/10.1139/dsa-2021-0050

Gray, P.C., G.D. Larsen, D.W. Johnston. Drones address an observational blind spot for biological oceanography. Frontiers in Ecology and the Environment. 20(7): 413–421 (2022) https://doi.org/10.1002/fee.2472

Spritzer, M.D., E.C. Fox, G.D. Larsen, C.G. Batson, B.A. Wagner, J. Maher. Testosterone influences spatial strategy preferences among adult male rats. Hormones and Behavior. 63: 800–812 (2013) https://doi.org/10.1016/j.yhbeh.2013.03.018

Assorted (50+) editorials and news briefs for the journal Lab Animal during 2015–2016

Occasional science advocacy editorials during 2025

POSTERS & PRESENTATIONS

Alaska Marine Science Symposium 2025

Poster: Drones sustain and expand long-term monitoring of harbor seals in tidewater glacier fjords. G.D. Larsen, et al.

Scientific Committee on Antarctic Research 2024

Poster: Influence of geomorphology and climate on colonization and extinction patterns of Adélie penguins from observational and geohistorical records (Palmer Station, Antarctic Peninsula). D.V. Groff, et al.

International Penguin Congress 2023

Poster: Progress in Understanding Drivers of Pygoscelis Penguin Demography and Population Dynamics near Palmer Station, Antarctica. M.J. Cimino, et al.

Society for Marine Mammalogy 2022

Presentation: Generalizing drone-based neural network monitoring for populations of grey seals (Halichoerus grypus) across colonies in the Northwest Atlantic. G.D. Larsen, et al.

Presentation: Seasonal gain in body condition of foraging humpback whales along the Western Antarctic Peninsula. K.C. Bierlich, et al.

Fortin Foundation Bass Connections Showcase 2022

Poster: Integrating Diverse Data to Characterize Antarctic Biogeography. G.D. Larsen, et al.

Alaska Marine Science Symposium 2022

Poster: Taking flight: testing unoccupied aircraft systems for surveys of seabird abundance at breeding colonies. A. Bishop, et al.

AGU Fall Meeting 2021 

Presentation: Ocean color from aerial drones for fine scale surveys across the Gulf Stream Front. P.C. Gray, et al. 

SCAR 2020 Open Science Conference

Abstract published but not presented: Fine-scale seasonal trends in abundance and distribution of pinnipeds in the Palmer Archipelago. G.D. Larsen, et al.

World Marine Mammal Conference 2019

Presentation: Spatial haul-out dynamics of three sympatric Alaskan pinnipeds. G.D. Larsen, et al.

Poster: Humpback whale foraging in the Antarctic Summer. R.C. Nichols, et al.

Example poster from the 2025 Alaska Marine Science Symposium, showcasing advancements in a research program that I was leading as marine predator biologist with the National Park Service, Southeast Alaska Inventory and Monitoring Network.

Example poster from the 2022 Fortin Foundation Bass Connections Showcase, showing preliminary investigations from a practicum course that I designed and instructed on the topic of Antarctic biogeography and remote sensing.