All Publications by David Johnston

Seymour, A. C., J. T. Ridge, E. Newton, A. B. Rodriguez, and D. W. Johnston. “Geomorphic response of inlet barrier islands to storms.” Geomorphology 339 (August 15, 2019): 127–40. https://doi.org/10.1016/j.geomorph.2019.04.021.
Gray, P. C., A. B. Fleishman, D. J. Klein, M. W. McKown, V. S. Bézy, K. J. Lohmann, and D. W. Johnston. “A convolutional neural network for detecting sea turtles in drone imagery.” Methods in Ecology and Evolution 10, no. 3 (March 1, 2019): 345–55. https://doi.org/10.1111/2041-210X.13132.
Johnston, David W. “Unoccupied Aircraft Systems in Marine Science and Conservation..” Annual Review of Marine Science 11 (January 2019): 439–63. https://doi.org/10.1146/annurev-marine-010318-095323.
Gray, P. C., K. C. Bierlich, S. A. Mantell, A. S. Friedlaender, J. A. Goldbogen, and D. W. Johnston. “Drones and convolutional neural networks facilitate automated and accurate cetacean species identification and photogrammetry.” Methods in Ecology and Evolution, January 1, 2019. https://doi.org/10.1111/2041-210X.13246.
Windle, A. E., D. Shane Hooley, and D. W. Johnston. “Robotic vehicles enable high-resolution light pollution sampling of sea turtle nesting beaches.” Frontiers in Marine Science 5, no. DEC (December 20, 2018). https://doi.org/10.3389/fmars.2018.00493.
Tyne, Julian A., Fredrik Christiansen, Heather L. Heenehan, David W. Johnston, and Lars Bejder. “Chronic exposure of Hawaii Island spinner dolphins (Stenella longirostris) to human activities..” Royal Society Open Science 5, no. 10 (October 24, 2018). https://doi.org/10.1098/rsos.171506.
Gray, P. C., J. T. Ridge, S. K. Poulin, A. C. Seymour, A. M. Schwantes, J. J. Swenson, and D. W. Johnston. “Integrating drone imagery into high resolution satellite remote sensing assessments of estuarine environments.” Remote Sensing 10, no. 8 (August 1, 2018). https://doi.org/10.3390/rs10081257.
Soulen, Brianne K., Barney J. Venables, David W. Johnston, and Aaron P. Roberts. “Accumulation of PBDEs in stranded harp (Pagophilus groenlandicus) and hooded seals (Cystophora cristata) from the Northeastern United States..” Marine Environmental Research 138 (July 2018): 96–101. https://doi.org/10.1016/j.marenvres.2018.04.008.
Pallin, Logan J., C Scott Baker, Debbie Steel, Nicholas M. Kellar, Jooke Robbins, David W. Johnston, Doug P. Nowacek, Andrew J. Read, and Ari S. Friedlaender. “High pregnancy rates in humpback whales (Megaptera novaeangliae) around the Western Antarctic Peninsula, evidence of a rapidly growing population..” Royal Society Open Science 5, no. 5 (May 2, 2018). https://doi.org/10.1098/rsos.180017.
Seymour, A. C., J. T. Ridge, A. B. Rodriguez, E. Newton, J. Dale, and D. W. Johnston. “Deploying Fixed Wing Unoccupied Aerial Systems (UAS) for Coastal Morphology Assessment and Management.” Journal of Coastal Research 34, no. 3 (May 1, 2018): 704–17. https://doi.org/10.2112/JCOASTRES-D-17-00088.1.
Sykora-Bodie, Seth T., Vanessa Bezy, David W. Johnston, Everette Newton, and Kenneth J. Lohmann. “Author Correction: Quantifying Nearshore Sea Turtle Densities: Applications of Unmanned Aerial Systems for Population Assessments..” Scientific Reports 8, no. 1 (April 19, 2018). https://doi.org/10.1038/s41598-018-24799-w.
Bierlich, K. C., Carolyn Miller, Emelia DeForce, Ari S. Friedlaender, David W. Johnston, and Amy Apprill. “Temporal and Regional Variability in the Skin Microbiome of Humpback Whales along the Western Antarctic Peninsula..” Applied and Environmental Microbiology 84, no. 5 (March 2018). https://doi.org/10.1128/AEM.02574-17.
Albertson, G. R., A. S. Friedlaender, D. J. Steel, A. Aguayo-Lobo, S. L. Bonatto, S. Caballero, R. Constantine, et al. “Temporal stability and mixed-stock analyses of humpback whales (Megaptera novaeangliae) in the nearshore waters of the Western Antarctic Peninsula.” Polar Biology 41, no. 2 (February 1, 2018): 323–40. https://doi.org/10.1007/s00300-017-2193-1.
Rees, A. F., L. Avens, K. Ballorain, E. Bevan, A. C. Broderick, R. R. Carthy, M. J. A. Christianen, et al. “The potential of unmanned aerial systems for sea turtle research and conservation: A review and future directions.” Endangered Species Research 35 (January 1, 2018): 81–100. https://doi.org/10.3354/esr00877.
Arona, Lauren, Julian Dale, Susan G. Heaslip, Michael O. Hammill, and David W. Johnston. “Assessing the disturbance potential of small unoccupied aircraft systems (UAS) on gray seals (Halichoerus grypus) at breeding colonies in Nova Scotia, Canada..” Peerj 6 (January 2018). https://doi.org/10.7717/peerj.4467.
Sykora-Bodie, Seth T., Vanessa Bezy, David W. Johnston, Everette Newton, and Kenneth J. Lohmann. “Quantifying Nearshore Sea Turtle Densities: Applications of Unmanned Aerial Systems for Population Assessments..” Scientific Reports 7, no. 1 (December 18, 2017). https://doi.org/10.1038/s41598-017-17719-x.
Heenehan, Heather L., Sofie M. Van Parijs, Lars Bejder, Julian A. Tyne, Brandon L. Southall, Hugh Southall, and David W. Johnston. “Natural and anthropogenic events influence the soundscapes of four bays on Hawaii Island..” Marine Pollution Bulletin 124, no. 1 (November 2017): 9–20. https://doi.org/10.1016/j.marpolbul.2017.06.065.
Moxley, Jerry H., Andrea Bogomolni, Mike O. Hammill, Kathleen M. T. Moore, Michael J. Polito, Lisa Sette, W Brian Sharp, et al. “Google Haul Out: Earth Observation Imagery and Digital Aerial Surveys in Coastal Wildlife Management and Abundance Estimation..” Bioscience 67, no. 8 (August 2017): 760–68. https://doi.org/10.1093/biosci/bix059.
Weinstein, B. G., M. Double, N. Gales, D. W. Johnston, and A. S. Friedlaender. “Identifying overlap between humpback whale foraging grounds and the Antarctic krill fishery.” Biological Conservation 210 (June 1, 2017): 184–91. https://doi.org/10.1016/j.biocon.2017.04.014.
Heenehan, H. L., S. M. Van Parijs, L. Bejder, J. A. Tyne, and D. W. Johnston. “Differential effects of human activity on Hawaiian spinner dolphins in their resting bays.” Global Ecology and Conservation 10 (April 1, 2017): 60–69. https://doi.org/10.1016/j.gecco.2017.02.003.
Seymour, A. C., J. Dale, M. Hammill, P. N. Halpin, and D. W. Johnston. “Automated detection and enumeration of marine wildlife using unmanned aircraft systems (UAS) and thermal imagery..” Scientific Reports 7 (March 24, 2017). https://doi.org/10.1038/srep45127.
Tyne, Julian A., David W. Johnston, Fredrik Christiansen, and Lars Bejder. “Temporally and spatially partitioned behaviours of spinner dolphins: implications for resilience to human disturbance..” Royal Society Open Science 4, no. 1 (January 11, 2017). https://doi.org/10.1098/rsos.160626.
Hammill, Michael O., Julian Dale, Garry B. Stenson, C. denHeyer, J. -. F. Gosselin, and David W. Johnston. “Comparison of methods to estimate grey seal pup production at different colonies.” Dfo Canadian Science Advisory Secretariat Csas Research Document 2010/091, 2017.
Heenehan, H. L., S. M. Van Parijs, L. Bejder, J. A. Tyne, and D. W. Johnston. “Using acoustics to prioritize management decisions to protect coastal dolphins: A case study using Hawaiian spinner dolphins.” Marine Policy 75 (January 1, 2017): 84–90. https://doi.org/10.1016/j.marpol.2016.10.015.
Johnston, David W., David W. JulianDale, Kimberly T. Murray, Kimberly T. ElizabethJosephson, Kimberly T. EverettNewton, and Kimberly T. StephanieWood. “Comparing occupied and unoccupied aircraft surveys of wildlife populations: assessing the gray seal (Halichoerus grypus) breeding colony on Muskeget Island, USA.” Journal of Unmanned Vehicle Systems, 2017.
Burrows, J. A., D. W. Johnston, J. M. Straley, E. M. Chenoweth, C. Ware, C. Curtice, S. L. De Ruiter, and A. S. Friedlaender. “Prey density and depth affect the fine-scale foraging behavior of humpback whales Megaptera novaeangliae in Sitka Sound, Alaska, USA.” Marine Ecology Progress Series 561 (December 15, 2016): 245–60. https://doi.org/10.3354/meps11906.
Tyne, J. A., N. R. Loneragan, D. W. Johnston, K. H. Pollock, R. Williams, and L. Bejder. “Evaluating monitoring methods for cetaceans.” Biological Conservation 201 (September 1, 2016): 252–60. https://doi.org/10.1016/j.biocon.2016.07.024.
Puryear, Wendy Blay, Mandy Keogh, Nichola Hill, Jerry Moxley, Elizabeth Josephson, Kimberly Ryan Davis, Chistopher Bandoro, et al. “Prevalence of influenza A virus in live-captured North Atlantic gray seals: a possible wild reservoir..” Emerging Microbes & Infections 5, no. 8 (August 3, 2016). https://doi.org/10.1038/emi.2016.77.
Heenehan, H. L., D. W. Johnston, S. M. Van Parijs, L. Bejder, and J. A. Tyne. “Acoustic response of Hawaiian spinner dolphins to human disturbance.” In Proceedings of Meetings on Acoustics, Vol. 27, 2016. https://doi.org/10.1121/2.0000232.
Heenehan, Heather L., Julian A. Tyne, Lars Bejder, Sofie M. Van Parijs, and David W. Johnston. “Passive acoustic monitoring of coastally associated Hawaiian spinner dolphins, Stenella longirostris, ground-truthed through visual surveys..” The Journal of the Acoustical Society of America 140, no. 1 (July 2016). https://doi.org/10.1121/1.4955094.

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