Professor Steve Dawson

2026

Journal - Research Article

Bennington, S., Dillingham, P. W., Wickman, L., Webster, T., Brough, T., Slooten, E., Dawson, S. M., & Rayment, W. J. (2026). Multi-event modeling of Hector's dolphin (Cephalorhynchus hectori) fecundity using four decades of monitoring: Implications for current management of bycatch. Conservation Science & Practice, 8(e70242). doi: 10.1111/csp2.70242

Harvey, M., Dawson, S. M., & Rayment, W. J. (2026). Passive acoustic monitoring reveals new insights into the acoustic occurrence and foraging activity of Hector's dolphins in Porpoise Bay, New Zealand. New Zealand Journal of Marine & Freshwater Research, 60(1), e70027. doi: 10.1002/nzm2.70027

2025

Chapter in Book - Research

Dawson, S. M., Slooten, E., & Rayment, W. J. (2025). Hector's dolphin Cephalorhynchus hectori (Van Beneden, 1881). In T. A. Jefferson (Ed.), Ridgway & Harrison's handbook of marine mammals (Vol. 1): Coastal dolphins and porpoises. (pp. 395-419). London, UK: Academic Press. doi: 10.1016/B978-0-443-13746-4.00014-7

Journal - Research Article

Graïc, J.-M., Gerussi, T., Cozzi, B., Boys, R. M., Kot, B. C. W., Perrott, M. R., … Loch, C., White, S., Dawson, S., Rayment, W., … Fordyce, R. E., & Stockin, K. A. (2025). A contribution to the anatomy of two rare cetacean species: The hourglass dolphin (Cephalorhynchus cruciger) and the spectacled porpoise (Phocoena dioptrica). Anatomical Record. Advance online publication. doi: 10.1002/ar.70045

Crowe, L. M., Schofield, M. R., Dawson, S. M., & Rayment, W. J. (2025). Growth dynamics of bottlenose dolphins Tursiops truncatus at the southern extreme of their range. Marine Ecology Progress Series, 763, 197-212. doi: 10.3354/meps14858

Crowe, L. M., Corne, C., Dawson, S. M., Pine, M., Rayment, W. J., Schofield, M. R., & Stanley, J. A. (2025). If these walls could talk: Investigating bottlenose dolphin occupancy and range in Fiord ecosystems using passive acoustic monitoring and visual surveys. Aquatic Conservation, 35, e70084. doi: 10.1002/aqc.70084

Journal - Research Other

Dawson, S. M., Barlow, J., Guerra, M., Leunissen, E. M., Webster, T. A., & Rayment, W. J. (2025). Shepherd's beaked whale (Tasmacetus shepherdi) produces a diverse variety of ultrasonic pulses [Note]. Marine Mammal Science, 41(2), e13199. doi: 10.1111/mms.13199

2024

Journal - Research Article

Bennington, S. M., Bourke, S. D., Wilkinson, S. P., Englebert, N., Bond, D. M., Jeunen, G.-J., Dawson, S., Slooten, E., Dillingham, P. W., Rayment, W. J., & Alexander, A. (2024). New insights into the population structure of Hector's dolphin (Cephalorhynchus hectori) revealed using environmental DNA. Environmental DNA, 6, e70024. doi: 10.1002/edn3.70024

Bennington, S., Dillingham, P. W., Bourke, S. D., Dawson, S. M., Slooten, E., & Rayment, W. J. (2024). Testing spatial transferability of species distribution models reveals differing habitat preferences for an endangered delphinid (Cephalorhynchus hectori) in Aotearoa, New Zealand. Ecology & Evolution, 14, e70074. doi: 10.1002/ece3.70074

Valdés Hernández, M. J., Dawson, S., Pavanato, H., Leunissen, E., & Rayment, W. (2024). Using passive acoustic monitoring to assess the overlap between endemic endangered Hector's dolphin (Cephalorhynchus hectori hectori) and mussel farms in the Banks Peninsula Marine Mammal Sanctuary, New Zealand. Aquatic Conservation, 34, e4207. doi: 10.1002/aqc.4207

Williams, H., Dawson, S., Bennington, S., & Rayment, W. J. (2024). Multi-disciplinary surveys reveal a small subpopulation of Hector's dolphins is frequently exposed to the risk of bycatch. Aquatic Conservation, 34(2), e4109. doi: 10.1002/aqc.4109

Nielsen, N. A., Dawson, S. M., Torres Ortiz, S., Wahlberg, M., & Martin, M. J. (2024). Hector's dolphins (Cephalorhynchus hectori) produce both narrowband high-frequency and broadband acoustic signals. Journal of the Acoustical Society of America, 155(2), 1437-1450. doi: 10.1121/10.0024820

Carome, W., Rayment, W., Slooten, E., Bowman, M. H., Martinez, E., & Dawson, S. M. (2024). Snapshots in time: Quantifying dynamics of coastal vessel traffic in a dolphin hotspot. New Zealand Journal of Marine & Freshwater Research, 58(3), 465-488. doi: 10.1080/00288330.2023.2261872

Harvey, M., Dawson, S., & Rayment, W. (2024). Estimating the abundance of the Hector’s dolphins (Cephalorhynchus hectori hectori) that use Porpoise Bay, New Zealand. New Zealand Journal of Marine & Freshwater Research, 58(1), 46-59. doi: 10.1080/00288330.2022.2112060

Working Paper; Discussion Paper; Technical Report

Rayment, W. J., Bennington, S., Carome, W., Dillingham, P., Slooten, E., Wickman, L., & Dawson, S. M. (2024). Long- and short-term impacts of vessels on Hector’s dolphins (Cephalorhynchus hectori) at Te Pātaka-o-Rākaihautū/Banks Peninsula [DOC Research and Development Series 372]. In N. Frances (Ed.)(pp. 1-62). Wellington, New Zealand: Department of Conservation Te Papa Atawhai. Retrieved from https://www.doc.govt.nz/about-us/science-publications/series/doc-research-and-development-series/

2023

Journal - Research Article

Guerra, M., Sabadel, A., Rayment, W., Dawson, S., & Wing, L. (2023). Seasonal variation in the use of food resources by sperm whales in a submarine canyon. Deep Sea Research Part I, 200, 104149. doi: 10.1016/j.dsr.2023.104149

Brough, T. E., Rayment, W. J., Slooten, L., & Dawson, S. (2023). Prey and habitat characteristics contribute to hotspots of distribution for an endangered coastal dolphin. Frontiers in Marine Science, 10, 1204943. doi: 10.3389/fmars.2023.1204943

Carome, W., Rayment, W., Slooten, E., Bowman, M. H., & Dawson, S. M. (2023). Vessel traffic influences distribution of Aotearoa New Zealand's endemic dolphin (Cephalorhynchus hectori). Marine Mammal Science, 39, 626-647. doi: 10.1111/mms.12995

Bennington, S., Guerra, M., Johnston, D., Currey, R., Brough, T., Corne, C., … Slooten, E., Dawson, S., & Rayment, W. (2023). Decadal stability in the distribution of bottlenose dolphins in Dusky Sound/Tamatea, New Zealand. New Zealand Journal of Marine & Freshwater Research, 57(3), 411-424. doi: 10.1080/00288330.2022.2038214

Lewis, R., Dawson, S., & Rayment, W. (2023). Size structure of broadnose sevengill sharks (Notorynchus cepedianus) in Sawdust Bay, Rakiura/Stewart Island, estimated using underwater stereo-photogrammetry. New Zealand Journal of Marine & Freshwater Research, 57(1), 104-118. doi: 10.1080/00288330.2021.1968010

Dickson, T., Guerra, M., Rayment, W., & Dawson, S. (2023). Multi-decadal observations of the size structure of sperm whales at Kaikōura, New Zealand. New Zealand Journal of Marine & Freshwater Research, 57(1), 63-74. doi: 10.1080/00288330.2021.1960570

Conference Contribution - Published proceedings: Abstract

Wickman, L., Rayment, W., Dillingham, P., Dawson, S., & Slooten, L. (2023). Updated estimates of survival rate for Hector's dolphins at Banks Peninsula. Proceedings of the New Zealand Marine Sciences Society (NZMSS) Annual Meeting. (pp. 174). [Abstract]

2022

Journal - Research Article

Carome, W., Slooten, E., Rayment, W., Webster, T., Wickman, L., Brough, T., & Dawson, S. M. (2022). A long-term shift in the summer distribution of Hector’s dolphins is correlated with an increase in cruise ship tourism. Aquatic Conservation, 32, 1660-1674. doi: 10.1002/aqc.3881

Hersh, T. A., Gero, S., Rendell, L., Cantor, M., Weilgart, L., Amano, M., Dawson, S. M., Slooten, E., … Guerra, M., … Whitehead, H. (2022). Evidence from sperm whale clans of symbolic marking in non-human cultures. PNAS, 119(37), e2201692119. doi: 10.1073/pnas.2201692119

Somerford, T. R., Dawson, S. M., Slooten, E., Guerra, M., Childerhouse, S. J., Richter, C. F., van der Linde, M. L., & Rayment, W. J. (2022). Long-term decline in abundance of male sperm whales visiting Kaikōura, New Zealand. Marine Mammal Science, 38, 606-625. doi: 10.1111/mms.12886

Guerra, M., Dawson, S. M., Somerford, T. R., Slooten, E., & Rayment, W. J. (2022). Fine-scale habitat use of foraging sperm whales is driven by seafloor topography and water column structure. Marine Mammal Science, 38, 626-652. doi: 10.1111/mms.12881

2021

Journal - Research Article

Bennington, S., Rayment, W., Currey, R., Oldridge, L., Henderson, S., Guerra, M., … Johnston, D., … Slooten, L., & Dawson, S. (2021). Long-term stability in core habitat of an endangered population of bottlenose dolphins (Tursiops truncatus): Implications for spatial management. Aquatic Conservation, 31, 665-676. doi: 10.1002/aqc.3460

Journal - Research Other

Wickman, L., Rayment, W., Slooten, E., & Dawson, S. M. (2021). An observed decline in the mark rate of Hector's dolphins at Banks Peninsula, New Zealand. Marine Mammal Science, 37, 1544-1551. doi: 10.1111/mms.12826

Slooten, E., & Dawson, S. M. (2021). Delays in protecting a small endangered cetacean: Lessons learned for science and management. Frontiers in Marine Science, 8, 606547. doi: 10.3389/fmars.2021.606547

Fumagalli, M., Guerra, M., Brough, T., Carome, W., Constantine, R., Higham, J., Rayment, W., Slooten, E., … Dawson, S. (2021). Looking back to move forward: Lessons from three decades of research and management of cetacean tourism in New Zealand. Frontiers in Marine Science, 8, 624448. doi: 10.3389/fmars.2021.624448

Dickson, T., Rayment, W., & Dawson, S. (2021). Drone photogrammetry allows refinement of acoustically derived length estimation for male sperm whales [Note]. Marine Mammal Science, 37, 1150-1158. doi: 10.1111/mms.12795

Wickman, L., Rayment, W., Slooten, E., & Dawson, S. M. (2021). Recommendations for estimating mark rate of cetaceans in photo-ID research: A critique of field sampling protocols and variance estimation. Marine Mammal Science, 37, 328-343. doi: 10.1111/mms.12723

2020

Journal - Research Article

Bennington, S., Rayment, W., & Dawson, S. (2020). Putting prey into the picture: Improvements to species distribution models for bottlenose dolphins in Doubtful Sound, New Zealand. Marine Ecology Progress Series, 653, 191-204. doi: 10.3354/meps13492

Lewis, R., Dawson, S., & Rayment, W. (2020). Estimating population parameters of broadnose sevengill sharks (Notorynchus cepedianus) using photo-ID capture-recapture. Journal of Fish Biology, 97, 987-995. doi: 10.1111/jfb.14453

Christiansen, F., Dawson, S. M., Durban, J. W., Fearnbach, H., Miller, C. A., Bejder, L., … Rayment, W., Leunissen, E., … Moore, M. J. (2020). Population comparison of right whale body condition reveals poor state of the North Atlantic right whale. Marine Ecology Progress Series, 640, 1-16. doi: 10.3354/meps13299

Guerra, M., Wing, L., Dawson, S., & Rayment, W. (2020). Stable isotope analyses reveal seasonal and inter-individual variation in the foraging ecology of sperm whales. Marine Ecology Progress Series, 638, 207-219. doi: 10.3354/meps13255

Brough, T., Rayment, W., Slooten, E., & Dawson, S. (2020). Spatiotemporal distribution of foraging in a marine predator: Behavioural drivers of hotspot formation. Marine Ecology Progress Series, 635, 187-202. doi: 10.3354/meps13198

Guerra, M., Dawson, S., Sabadel, A., Slooten, E., Somerford, T., Williams, R., Wing, L., & Rayment, W. (2020). Changes in habitat use by a deep-diving predator in response to a coastal earthquake. Deep Sea Research Part I, 158, 103226. doi: 10.1016/j.dsr.2020.103226

Working Paper; Discussion Paper; Technical Report

Jeunen, G.-J., Urban, L., Lewis, R., Knapp, M., Lamare, M., Rayment, W., Dawson, S., & Gemmell, N. (2020). Marine environmental DNA (eDNA) for biodiversity assessments: A one-to-one comparison between eDNA and baited remote underwater video (BRUV) surveys. Authorea. doi: 10.22541/au.160278512.26241559/v1

2019

Journal - Research Article

Brough, T., Rayment, W., & Dawson, S. (2019). Using a recreational grade echosounder to quantify the potential prey field of coastal predators. PLoS ONE, 14(5), e0217013. doi: 10.1371/journal.pone.0217013

Webster, T. A., Van Parijs, S. M., Rayment, W. J., & Dawson, S. M. (2019). Temporal variation in the vocal behaviour of southern right whales in the Auckland Islands, New Zealand. Royal Society Open Science, 6, 181487. doi: 10.1098/rsos.181487

Leunissen, E. M., Rayment, W. J., & Dawson, S. M. (2019). Impact of pile-driving on Hector's dolphin in Lyttelton Harbour, New Zealand. Marine Pollution Bulletin, 142, 31-42. doi: 10.1016/j.marpolbul.2019.03.017

Brough, T., Rayment, W., Slooten, E., & Dawson, S. (2019). Fine scale distribution for a population of New Zealand's only endemic dolphin (Cephalorhynchus hectori) shows long-term stability of coastal hotspots. Marine Mammal Science, 35(1), 140-163. doi: 10.1111/mms.12528

2018

Chapter in Book - Research

Dawson, S. M. (2018). Cephalorhynchus dolphins: C. heavisidii, C. eutropia, C. hectori, and C. commersonii. In B. Würsig, J. G. M. Thewissen & K. M. Kovacs (Eds.), Encyclopedia of marine mammals. (3rd ed.) (pp. 166-172). London, UK: Academic Press. doi: 10.1016/B978-0-12-804327-1.00086-8

Journal - Research Article

Leunissen, E. M., & Dawson, S. M. (2018). Underwater noise levels of pile-driving in a New Zealand harbour, and the potential impacts on endangered Hector's dolphins. Marine Pollution Bulletin, 135, 195-204. doi: 10.1016/j.marpolbul.2018.07.024

Steel, D., Anderson, M., Garrigue, C., Olavarría, C., Childerhouse, S., Clapham, P., … Dawson, S., … Slooten, L., … Baker, C. S. (2018). Migratory interchange of humpback whales (Megaptera novaeangliae) among breeding grounds of Oceania and connections to Antarctic feeding areas based on genotype matching. Polar Biology, 41(4), 653-662. doi: 10.1007/s00300-017-2226-9

Davidson, A. R., Rayment, W., Dawson, S. M., Webster, T., & Slooten, E. (2018). Estimated calving interval for the New Zealand southern right whale (Eubalaena australis). New Zealand Journal of Marine & Freshwater Research, 52(3), 372-383. doi: 10.1080/00288330.2017.1397034

Rayment, W., Webster, T., Brough, T., Jowett, T., & Dawson, S. (2018). Seen or heard? A comparison of visual and acoustic autonomous monitoring methods for investigating temporal variation in occurrence of southern right whales. Marine Biology, 165, 12. doi: 10.1007/s00227-017-3264-0

Conference Contribution - Published proceedings: Abstract

Brough, T., Rayment, W., Slooten, E., & Dawson, S. (2018). Foraging behaviour, prey field characteristics and distribution hotspots: Towards an understanding of the drivers of hotspot formation in the endangered Hector's dolphin. Proceedings of the Society for Conservation Biology 5th Oceania Congress: Conservation in a Changing World. (pp. 53). Retrieved from http://wellington2018.scboceania.org

2017

Journal - Research Article

Dawson, S. M., Bowman, M. H., Leunissen, E., & Sirguey, P. (2017). Inexpensive aerial photogrammetry for studies of whales and large marine animals. Frontiers in Marine Science, 4, 366. doi: 10.3389/fmars.2017.00366

Johnston, D. R., Rayment, W., Slooten, E., & Dawson, S. M. (2017). A time-based method for defining associations using photo-identification. Behaviour, 154(9-10), 1029-1050. doi: 10.1163/1568539X-00003455

Forney, K. A., Southall, B. L., Slooten, E., Dawson, S., Read, A. J., Baird, R. W., & Brownell, Jr, R. L. (2017). Nowhere to go: Noise impact assessments for marine mammal populations with high site fidelity. Endangered Species Research, 32, 391-413. doi: 10.3354/esr00820

Dawson, S. M., Fordyce, R. E., Ridgway, S. H., Brough, T. E., & Slooten, E. (2017). Observations of a New Zealand dolphin (Cephalorhynchus hectori) breathing via its mouth. Marine Mammal Science, 33(1), 350-355. doi: 10.1111/mms.12349

Journal - Research Other

Slooten, E., Simmons, G., Dawson, S. M., Bremner, G., Thrush, S. F., Whittaker, H., … Robertson, B. C., … Zeller, D. (2017). Evidence of bias in assessment of fisheries management impacts. PNAS, 114(25), E4901-E4902. doi: 10.1073/pnas.1706544114

2016

Chapter in Book - Research

Tregenza, N., Dawson, S., Rayment, W., & Verfuss, U. (2016). Listening to echolocation clicks with PODs. In W. W. L. Au & M. O. Lammers (Eds.), Listening in the ocean: New discoveries and insights on marine life from autonomous passive acoustic recorders. (pp. 163-206). New York: Springer. doi: 10.1007/978-1-4939-3176-7_7

Journal - Research Article

Webster, T. A., Dawson, S. M., Rayment, W. J., Parks, S. E., & Van Parijs, S. M. (2016). Quantitative analysis of the acoustic repertoire of southern right whales in New Zealand. Journal of the Acoustical Society of America, 140(1), 322-333. doi: 10.1121/1.4955066

Brough, T. E., Henderson, S., Guerra, M., & Dawson, S. M. (2016). Factors influencing heterogeneity in female reproductive success in a critically endangered population of bottlenose dolphins. Endangered Species Research, 29(3), 255-270. doi: 10.3354/esr00715

Guerra, M., & Dawson, S. M. (2016). Boat-based tourism and bottlenose dolphins in Doubtful Sound, New Zealand: The role of management in decreasing dolphin-boat interactions. Tourism Management, 57, 3-9. doi: 10.1016/j.tourman.2016.05.010

Dittmann, S., Dawson, S., Rayment, W., Webster, T., & Slooten, E. (2016). Hector's dolphin movement patterns in response to height and direction of ocean swell. New Zealand Journal of Marine & Freshwater Research, 50(2), 228-239. doi: 10.1080/00288330.2015.1119165

Agnew, P., Lalas, C., Wright, J., & Dawson, S. (2016). Annual variation in recruitment and age-specific survival of Little Penguins, Eudyptula minor. Emu, 116, 62-70. doi: 10.1071/MU15072

Conference Contribution - Published proceedings: Abstract

Somerford, T., Rayment, W., Dawson, S., & Slooten, E. (2016). A decline in abundance of sperm whales at Kaikoura, revealed by analysis of photo-ID data. Proceedings of the New Zealand Marine Sciences Society (NZMSS) and Australian Marine Sciences Association (AMSA) Conference: Sharing Ocean Resources: Now and in the Future. (pp. 98). Retrieved from https://innovators.eventsair.com/QuickEventWebsitePortal/nzmss-amsa-2016/home/Agenda

Wickman, L., Dawson, S., Slooten, E., & Rayment, W. (2016). Decreasing mark rate affects the precision of estimates of survival rate in Hector’s dolphins. Proceedings of the New Zealand Marine Sciences Society (NZMSS) and Australian Marine Sciences Association (AMSA) Conference: Sharing Ocean Resources: Now and in the Future. (pp. 80). Retrieved from https://innovators.eventsair.com/QuickEventWebsitePortal/nzmss-amsa-2016/home/Agenda

Rayment, W., Webster, T., Davidson, A., & Dawson, S. (2016). Demographic parameters of southern right whales estimated via analysis of photo-ID data. Proceedings of the New Zealand Marine Sciences Society (NZMSS) and Australian Marine Sciences Association (AMSA) Conference: Sharing Ocean Resources: Now and in the Future. (pp. 68). Retrieved from https://innovators.eventsair.com/QuickEventWebsitePortal/nzmss-amsa-2016/home/Agenda

Leunissen, E., & Dawson, S. (2016). Underwater noise from pile driving and its impact on Hector’s dolphins in Lyttelton harbour, New Zealand. Proceedings of the New Zealand Marine Sciences Society (NZMSS) and Australian Marine Sciences Association (AMSA) Conference: Sharing Ocean Resources: Now and in the Future. (pp. 49). Retrieved from https://innovators.eventsair.com/QuickEventWebsitePortal/nzmss-amsa-2016/home/Agenda

Johnston, D., Rayment, W., Slooten, L., & Dawson, S. (2016). Dolphin cliques: A time-based method for defining associations using photo-identification. Proceedings of the New Zealand Marine Sciences Society (NZMSS) and Australian Marine Sciences Association (AMSA) Conference: Sharing Ocean Resources: Now and in the Future. (pp. 46). Retrieved from https://innovators.eventsair.com/QuickEventWebsitePortal/nzmss-amsa-2016/home/Agenda

Guerra, M., Rayment, W., Wing, L., Slooten, L., & Dawson, S. (2016). Trophic interactions in the Kaikōura submarine canyon: From primary productivity to sperm whales. Proceedings of the New Zealand Marine Sciences Society (NZMSS) and Australian Marine Sciences Association (AMSA) Conference: Sharing Ocean Resources: Now and in the Future. (pp. 41). Retrieved from https://innovators.eventsair.com/QuickEventWebsitePortal/nzmss-amsa-2016/home/Agenda

Brough, T., Dawson, S., Slooten, E., & Rayment, W. (2016). Nearshore habitat use by Hector’s dolphins at Banks Peninsula: A comparison of visual and acoustic methods. Proceedings of the New Zealand Marine Sciences Society (NZMSS) and Australian Marine Sciences Association (AMSA) Conference: Sharing Ocean Resources: Now and in the Future. (pp. 24). Retrieved from https://innovators.eventsair.com/QuickEventWebsitePortal/nzmss-amsa-2016/home/Agenda

2015

Journal - Research Article

Agnew, P., Lalas, C., Wright, J., & Dawson, S. (2015). Variation in breeding success and survival of little penguins Eudyptula minor in response to environmental variation. Marine Ecology Progress Series, 541, 219-229. doi: 10.3354/meps11538

Brough, T. E., Guerra, M., & Dawson, S. M. (2015). Photo-identification of bottlenose dolphins in the far south of New Zealand indicates a 'new', previously unstudied population. New Zealand Journal of Marine & Freshwater Research, 49(1), 150-158. doi: 10.1080/00288330.2014.984728

Rayment, W., Dawson, S., & Webster, T. (2015). Breeding status affects fine-scale habitat selection of southern right whales on their wintering grounds. Journal of Biogeography, 42(3), 463-474. doi: 10.1111/jbi.12443

2014

Journal - Research Article

Guerra, M., Dawson, S. M., Brough, T. E., & Rayment, W. J. (2014). Effects of boats on the surface and acoustic behaviour of an endangered population of bottlenose dolphin. Endangered Species Research, 24(3), 221-236. doi: 10.3354/esr00598

Peel, D., Miller, B. S., Kelly, N., Dawson, S., Slooten, E., & Double, M. C. (2014). A simulation study of acoustic-assisted tracking of whales for mark-recapture surveys. PLoS ONE, 9(5), e95602. doi: 10.1371/journal.pone.0095602

Henderson, S. D., Dawson, S. M., Currey, R. J. C., Lusseau, D., & Schneider, K. (2014). Reproduction, birth seasonality, and calf survival of bottlenose dolphins in Doubtful Sound, New Zealand. Marine Mammal Science, 30(3), 1067-1080. doi: 10.1111/mms.12109

2013

Authored Book - Research

Slooten, L., & Dawson, S. (2013). Dolphins down under: Understanding the New Zealand dolphin. Dunedin, New Zealand: Otago University Press, 96p.

Journal - Research Article

Miller, B., Dawson, S., & Vennell, R. (2013). Underwater behavior of sperm whales off Kaikoura, New Zealand, as revealed by a three-dimensional hydrophone array. Journal of the Acoustical Society of America, 134(4), 2690-2700. doi: 10.1121/1.4818896

Miller, B. S., Growcott, A., Slooten, E., & Dawson, S. M. (2013). Acoustically derived growth rates of sperm whales (Physeter macrocephalus) in Kaikoura, New Zealand. Journal of the Acoustical Society of America, 134(3), 2438-2445. doi: 10.1121/1.4816564

Dawson, S., Fletcher, D., & Slooten, E. (2013). Habitat use and conservation of an endangered dolphin. Endangered Species Research, 21, 45-54. doi: 10.3354/esr00508

Turek, J., Slooten, E., Dawson, S., Rayment, W., & Turek, D. (2013). Distribution and abundance of Hector's dolphins off Otago, New Zealand. New Zealand Journal of Marine & Freshwater Research, 47(2), 181-191. doi: 10.1080/00288330.2013.771687

Agnew, P., Lalas, C., Wright, J., & Dawson, S. (2013). Effects of attached data-logging devices on little penguins (Eudyptula minor). Marine Biology, 160(9), 2375-2382. doi: 10.1007/s00227-013-2231-7

Henderson, S. D., Dawson, S. M., Rayment, W., & Currey, R. J. C. (2013). Are the 'resident' dolphins of Doubtful Sound becoming less resident? Endangered Species Research, 20(2), 99-107. doi: 10.3354/esr00484

Dawson, S. M., Northridge, S., Waples, D., & Read, A. J. (2013). To ping or not to ping: The use of active acoustic devices in mitigating interactions between small cetaceans and gillnet fisheries. Endangered Species Research, 19(3), 201-221. doi: 10.3354/esr00464

Miller, E., Lalas, C., Dawson, S., Ratz, H., & Slooten, E. (2013). Hector's dolphin diet: The species, sizes and relative importance of prey eaten by Cephalorhynchus hectori, investigated using stomach content analysis. Marine Mammal Science, 29(4), 606-628. doi: 10.1111/j.1748-7692.2012.00594.x

Journal - Research Other

Dawson, S. M., & Lusseau, D. M. (2013). Pseudo-replication confounds the assessment of long-distance detection of gillnets by porpoises: Comment on Nielsen et al. (2012). Marine Ecology Progress Series, 478, 301-302. doi: 10.3354/meps10337

Conference Contribution - Published proceedings: Abstract

Webster, T., Dawson, S., & Van Parijs, S. (2013). Acoustic presence of Southern right whales in the Auckland Islands. Proceedings of the 20th Biennial Conference on the Biology of Marine Mammals. (pp. 221). Retrieved from http://www.marinemammalscience.org/

Slooten, E., & Dawson, S. M. (2013). Solutions to marine mammal bycatch: What works, where and when? Proceedings of the 20th Biennial Conference on the Biology of Marine Mammals. (pp. 194). Retrieved from http://www.marinemammalscience.org/

Rayment, W., Dawson, S., & Webster, T. (2013). Breeding status affects fine-scale habitat preferences of southern right whales at the Auckland Islands wintering ground. Proceedings of the 20th Biennial Conference on the Biology of Marine Mammals. (pp. 175). Retrieved from http://www.marinemammalscience.org/

Miller, E., Dawson, S., & Slooten, L. (2013). Hector's dolphin diet and habitat selection: The influence of prey availability and oceanographic patterns on seasonal distribution at Banks Peninsula. Proceedings of the 20th Biennial Conference on the Biology of Marine Mammals. (pp. 145). Retrieved from http://www.marinemammalscience.org/

Guerra, M., Dawson, S. M., & Brough, T. E. (2013). Impacts of tourism on bottlenose dolphins in Doubtful Sound, New Zealand: Management success and next steps for mitigation. Proceedings of the 20th Biennial Conference on the Biology of Marine Mammals. (pp. 86). Retrieved from http://www.marinemammalscience.org/

Gormley, A. M., Slooten, E., Dawson, S., Barker, R. J., Rayment, W., du Fresne, S., & Bräger, S. (2013). First evidence of that marine protected areas can work for marine mammals: Hector's dolphins and the Banks Peninsula Marine Mammal Sanctuary. Proceedings of the 20th Biennial Conference on the Biology of Marine Mammals. (pp. 84). Retrieved from http://www.marinemammalscience.org/

Faustino, C., Rayment, W., Slooten, E., Dawson, S., & Mackenzie, M. (2013). Animal distribution and spatial management: Hector's dolphin populations off the South Island, New Zealand. Proceedings of the 20th Biennial Conference on the Biology of Marine Mammals. (pp. 67). Retrieved from http://www.marinemammalscience.org/

Brough, T., Henderson, S., Currey, R., Guerra, M., & Dawson, S. (2013). It matters who your mum is: Variation in female reproductive success and calf survival in the bottlenose dolphin population of Doubtful Sound, New Zealand. Proceedings of the 20th Biennial Conference on the Biology of Marine Mammals. (pp. 33). Retrieved from http://www.marinemammalscience.org/

Antunes, R., Slooten, L., Dawson, S., Rendell, L., & Whitehead, H. (2013). Variation of sperm whale coda repertoires from Tonga. Proceedings of the 20th Biennial Conference on the Biology of Marine Mammals. (pp. 14). Retrieved from http://www.marinemammalscience.org/

Dawson, S., & Slooten, E. (2013). A flagship of NZ conservation is foundering. Proceedings of the 20th Biennial Conference on the Biology of Marine Mammals. (pp. 5). Retrieved from http://www.marinemammalscience.org/

Other Research Output

Dawson, S. (2013, May). Using science to save dolphins, and whaling without a harpoon. University of Otago, Dunedin, New Zealand. [Inaugural Professorial Lecture].

2012

Journal - Research Article

Elliott, R. G., Dawson, S. M., & Rayment, W. J. (2012). Optimizing T-pod settings and testing range of detection for bottlenose dolphins in Doubtful Sound, New Zealand. Journal of the Marine Biological Association of the United Kingdom, 92(8), 1901-1907. doi: 10.1017/s002531541100035x

Rayment, W., Davidson, A., Dawson, S., Slooten, E., & Webster, T. (2012). Distribution of southern right whales on the Auckland Islands calving grounds. New Zealand Journal of Marine & Freshwater Research, 46(3), 431-436. doi: 10.1080/00288330.2012.697072

Growcott, A., Sirguey, P., & Dawson, S. M. (2012). Development and assessment of a digital stereo photogrammetric system to measure cetaceans at sea. Photogrammetric Engineering & Remote Sensing, 78(3), 237-246.

Gormley, A. M., Slooten, E., Dawson, S., Barker, R. J., Rayment, W., du Fresne, S., & Bräger, S. (2012). First evidence that marine protected areas can work for marine mammals. Journal of Applied Ecology, 49(2), 474-480. doi: 10.1111/j.1365-2664.2012.02121.x

Fletcher, D., Lebreton, J.-D., Marescot, L., Schaub, M., Gimenez, O., Dawson, S., & Slooten, E. (2012). Bias in estimation of adult survival and asymptotic population growth rate caused by undetected capture heterogeneity. Methods in Ecology & Evolution, 3, 206-216. doi: 10.1111/j.2041-210X.2011.00137.x

Journal - Professional & Other Non-Research Articles

Gormley, A. M., Dawson, S. M., Slooten, E., & Bräger, S. (2012). Corrigendum to "Capture-recapture estimates of Hector's dolphin abundance at Banks Peninsula, New Zealand" [Marine Mammal Science, 21(2): 204-216]. Marine Mammal Science, 28(2), 437. doi: 10.1111/j.1748-7692.2012.00570.x

Conference Contribution - Published proceedings: Abstract

Gormley, A. M., Slooten, E., Dawson, S., Barker, R. J., Rayment, W., du Fresne, S., & Bräger, S. (2012). First evidence of that marine protected areas can work for marine mammals: Hector's dolphins and the Banks Peninsular Marine Mammal Sanctuary. Proceedings of the New Zealand Ecological Society (NZES) Conference. (pp. 54). Retrieved from https://newzealandecology.org/events/conference-2012

2011

Journal - Research Article

Elliott, R. G., Dawson, S. M., & Henderson, S. (2011). Acoustic monitoring of habitat use by bottlenose dolphins in Doubtful Sound, New Zealand. New Zealand Journal of Marine & Freshwater Research, 45(4), 637-649. doi: 10.1080/00288330.2011.570351

Rayment, W., Dawson, S., Scali, S., & Slooten, L. (2011). Listening for a needle in a haystack: Passive acoustic detection of dolphins at very low densities. Endangered Species Research, 14, 149-156. doi: 10.3354/esr00356

Currey, R. J. C., Dawson, S. M., Schneider, K., Lusseau, D., Boisseau, O. J., Haase, P. A., & Slooten, E. (2011). Inferring causal factors for a declining population of bottlenose dolphins via temporal symmetry capture—recapture modeling. Marine Mammal Science, 27(3), 554-566. doi: 10.1111/j.1748-7692.2010.00417.x

Growcott, A., Miller, B., Sirguey, P., Slooten, E., & Dawson, S. (2011). Measuring body length of male sperm whales from their clicks: The relationship between inter-pulse intervals and photogrammetrically measured lengths. Journal of the Acoustical Society of America, 130(1), 568-573. doi: 10.1121/1.3578455

Rayment, W., Clement, D., Dawson, S., Slooten, E., & Secchi, E. (2011). Distribution of Hector's dolphin (Cephalorhynchus hectori) off the West Coast, South Island, New Zealand, with implications for the management of bycatch. Marine Mammal Science, 27(2), 398-420. doi: 10.1111/j.1748-7692.2010.00407.x

Morisaka, T., Karczmarski, L., Akamatsu, T., Sakai, M., Dawson, S., & Thornton, M. (2011). Echolocation signals of Heaviside's dolphins (Cephalorhynchus heavisidii). Journal of the Acoustical Society of America, 129(1), 449-457. doi: 10.1121/1.3519401

Conference Contribution - Published proceedings: Abstract

Webster, T., & Dawson, S. (2011). Southern right whale vocalisations: A pilot study at the Auckland Islands. Proceedings of the New Zealand Marine Sciences Society (NZMSS) Conference: Understanding, Managing, and Conserving our Marine Environment. (pp. 47). Retrieved from http://nzmss.org/assets/Conference/NZMSS2011AbstractsPosterPresentations.pdf

2010

Journal - Research Article

Rowe, L. E., Currey, R. J. C., Dawson, S. M., & Johnson, D. (2010). Assessment of epidermal condition and calf size of Fiordland bottlenose dolphin Tursiops truncatus populations using dorsal fin photographs and photogrammetry. Endangered Species Research, 11(1), 83-89. doi: 10.3354/esr00256

Slooten, E., & Dawson, S. M. (2010). Assessing the effectiveness of conservation management decisions: Likely effects of new protection measures for Hector's dolphin (Cephalorhynchus hectori). Aquatic Conservation, 20(3), 334-347. doi: 10.1002/aqc.1084

Webster, T., Dawson, S., & Slooten, E. (2010). A simple laser photogrammetry technique for measuring Hector's dolphins (Cephalorhynchus hectori) in the field. Marine Mammal Science, 26(2), 296-308. doi: 10.1111/j.1748-7692.2009.00326.x

Childerhouse, S. J., Dawson, S. M., Fletcher, D. J., Slooten, E., & Chilvers, B. L. (2010). Growth and reproduction of female New Zealand sea lions. Journal of Mammalogy, 91(1), 165-176. doi: 10.1644/09-mamm-a-110r.1

Rayment, W., Dawson, S., & Slooten, E. (2010). Seasonal changes in distribution of Hector's dolphin at Banks Peninsula, New Zealand: Implications for protected area design. Aquatic Conservation, 20(1), 106-116. doi: 10.1002/aqc.1049

Childerhouse, S. J., Dawson, S. M., Slooten, E., Fletcher, D. J., & Wilkinson, I. S. (2010). Age distribution of lactating New Zealand sea lions: Interannual and intersite variation. Marine Mammal Science, 26(1), 123-139. doi: 10.1111/j.1748-7692.2009.00330.x

Rayment, W., Dawson, S., & Slooten, L. (2010). Use of T-PODS for acoustic monitoring of Cephalorhynchus dolphins: A case study with Hector's dolphins in a marine protected area. Endangered Species Research, 10(1), 333-339. doi: 10.3354/esr00189

Conference Contribution - Published proceedings: Abstract

Hutchison, E., Dawson, S., & Slooten, L. (2010). What drives dolphin distribution? Investigating the role of prey availability and oceanographic patterns in Hector's dolphin habitat selection. Proceedings of the New Zealand Marine Sciences Society 50th Anniversary Conference. (pp. 65). NZMSS. Retrieved from www.nzmss.org/conference

Rayment, W., Currey, R., Dawson, S., Hammond, P., & Slooten, L. (2010). Precision of survival rate estimates in longitudinal studies: A comparative assessment for delphinid. Proceedings of the New Zealand Marine Sciences Society 50th Anniversary Conference. (pp. 102). NZMSS. Retrieved from www.nzmss.org/conference

2009

Chapter in Book - Research

Dawson, S. M. (2009). Cephalorhynchus dolphins: C. heavisidii, C. eutropia, C. hectori, and C. commersonii. In W. F. Perrin, B. Würsig & J. G. M. Thewissen (Eds.), Encyclopedia of marine mammals. (2nd ed.) (pp. 191-195). Burlington, MA: Academic Press.

Journal - Research Article

Miller, B., & Dawson, S. (2009). A large-aperture low-cost hydrophone array for tracking whales from small boats. Journal of the Acoustical Society of America, 126(5), 2248-2256. doi: 10.1121/1.3238258

Currey, R. J. C., Dawson, S. M., Slooten, E., Schneider, K., Lusseau, D., Boisseau, O. J., Haase, P., & Williams, J. A. (2009). Survival rates for a declining population of bottlenose dolphins in Doubtful Sound, New Zealand: An information theoretic approach to assessing the role of human impacts. Aquatic Conservation, 19(6), 658-670. doi: 10.1002/aqc.1015

Webster, T. A., Dawson, S. M., & Slooten, E. (2009). Evidence of sex segregation in Hector's dolphin (Cephalorhynchus hectori). Aquatic Mammals, 35(2), 212-219. doi: 10.1578/am.35.2.2009.212

Rayment, W., Dawson, S., Slooten, E., Bräger, S., Du Fresne, S., & Webster, T. (2009). Kernel density estimates of alongshore home range of Hector's dolphins at Banks Peninsula, New Zealand. Marine Mammal Science, 25(3), 537-556. doi: 10.1111/j.1748-7692.2008.00271.x

Rayment, W., Dawson, S., & Slooten, L. (2009). Trialling an automated passive acoustic detector (T-POD) with Hector's dolphins (Cephalorhynchus hectori). Journal of the Marine Biological Association of the United Kingdom, 89(5), 1015-1022. doi: 10.1017/S0025315409003129

Rowe, L. E., & Dawson, S. M. (2009). Determining the sex of bottlenose dolphins from Doubtful Sound using dorsal fin photographs. Marine Mammal Science, 25(1), 19-34. doi: 10.1111/j.1748-7692.2008.00235.x

Currey, R. J. C., Dawson, S. M., & Slooten, E. (2009). An approach for regional threat assessment under IUCN Red List criteria that is robust to uncertainty: The Fiordland bottlenose dolphins are critically endangered. Biological Conservation, 142(8), 1570-1579. doi: 10.1016/j.biocon.2009.02.036

2008

Chapter in Book - Research

Dawson, S. M. (2008). Marine mammals. In M. Winterbourn, G. Knox, C. Burrows & I. Marsden (Eds.), The natural history of Canterbury. (3rd ed.) (pp. 685-702). Christchurch, New Zealand: Canterbury University Press.

Journal - Research Article

Slooten, E., & Dawson, S. M. (2008). Sustainable levels of human impact for Hector's dolphin. Open Conservation Biology Journal, 2, 37-43.

Rowe, L., & Dawson, S. M. (2008). Laser photogrammetry to determine dorsal fin size in a population of bottlenose dolphins from Doubtful Sound, New Zealand. Australian Journal of Zoology, 56(4), 239-248. doi: 10.1071/ZO08051

Currey, R. J. C., Rowe, L. E., Dawson, S. M., & Slooten, E. (2008). Abundance and demography of bottlenose dolphins in Dusky Sound, New Zealand, inferred from dorsal fin photographs. New Zealand Journal of Marine & Freshwater Research, 42(4), 439-449. doi: 10.1080/00288330809509972

Dawson, S., Wade, P., Slooten, E., & Barlow, J. (2008). Design and field methods for sighting surveys of cetaceans in coastal and riverine habitats. Mammal Review, 38(1), 19-49. doi: 10.1111/j.1365-2907.2008.00119.x

Working Paper; Discussion Paper; Technical Report

Aguayo, A., Bedriana-Romano, L., Dawson, S., . . ., Slooten, L., & et al (2008). Information for 6.9, consideration of status of Chilean dolphins in Chile with implications for other small cetaceans (SC60/SM/WP). International Whaling Commission Scientific Committee. IWC.

Slooten, E., & Dawson, S. (2008). Effectiveness of new protection measures for Hector's dolphin (SC/60/SM12). International Whaling Commission Scientific Committee. IWC. 19p.

Dawson, S., & Slooten, E. (2008). A platform-of-opportunity survey for cetaceans, especially Chilean dolphins, Cephalorhynchus eutropia, in the Chilean fiords (SC60/SM11). International Whaling Commission Scientific Committee. IWC. 12p.

Barlow, J., Rankin, S., & Dawson, S. (2008). A guide to constructing hydrophones and hydrophone arrays for monitoring marine mammal vocalizations [NOAA Technical Memorandum 417]. National Oceanic and Atmospheric Administration, U.S. Department of Commerce. NOAA. 24p. Retrieved from http://swfsc.noaa.gov/uploadedFiles/Divisions/PRD/Programs/Coastal_Marine_Mammal/Barlow%20et%20al%202008%20HydrophoneConstruction_TM-417.pdf

2007

Journal - Research Article

Currey, R. J. C., Dawson, S. M., & Slooten, E. (2007). New abundance estimates suggest Doubtful Sound bottlenose dolphins are declining. Pacific Conservation Biology, 13, 265-273.

Conference Contribution - Published proceedings: Abstract

Miller, B. S., Dawson, S., & Slooten, E. (2007). Eavesdropping on sperm whales: Passive acoustic localization. New Zealand Marine Sciences Society Review. 48. [Abstract]

2006

Journal - Research Article

Rayment, W., Dawson, S., Slooten, L., & Childerhouse, S. (2006). Offshore distribution of Hector's dolphin at Banks Peninsula. DOC Research & Development Series, 232, 1-23.

Du Fresne, S., Fletcher, D., & Dawson, S. (2006). The effect of line-transect placement in a coastal distance sampling survey. Journal of Cetacean Research & Management, 8(1), 79-85.

Richter, C., Dawson, S., & Slooten, E. (2006). Impacts of commercial whale watching on male sperm whales at Kaikoura, New Zealand. Marine Mammal Science, 22(1), 46-63.

Slooten, E., Rayment, W., & Dawson, S. (2006). Offshore distribution of Hector's dolphins at Banks Peninsula, New Zealand: Is the Banks Peninsula Marine Mammal Sanctuary large enough? New Zealand Journal of Marine & Freshwater Research, 40(2), 333-343. doi: 10.1080/00288330.2006.9517425

Slooten, E., Dawson, S., Rayment, W., & Childerhouse, S. (2006). A new abundance estimate for Maui's dolphin: What does it mean for managing this critically endangered species? Biological Conservation, 128(4), 576-581. doi: 10.1016/j.biocon.2005.10.013

2005

Journal - Research Article

Douglas, L. A., Dawson, S. M., & Jaquet, N. (2005). Click rates and silences of sperm whales at Kaikoura, New Zealand. Journal of the Acoustical Society of America, 118(1), 523-529.

Dawson, S. M., & Slooten, E. (2005). Management of gillnet bycatch of cetaceans in New Zealand. Journal of Cetacean Research & Management, 7(1), 59-64.

Gormley, A. M., Dawson, S. M., Slooten, E., & Bräger, S. (2005). Capture-recapture estimates of Hector's dolphin abundance at Banks Peninsula, New Zealand. Marine Mammal Science, 21(2), 204-216.

Journal - Research Other

Dawson, S. M. (2005). Pseudoreplication problems in studies of dolphin and porpoise reaction to pingers [Note]. Marine Mammal Science, 21(1), 175-176.

Working Paper; Discussion Paper; Technical Report

Slooten, E., Dawson, S. M., Rayment, W. J., & Childerhouse, S. J. (2005). Distribution of Maui's dolphin, Cephalorhyncus hectori maui. Wellington, New Zealand: Ministry for Primary Industries. 19p.

2004

Journal - Research Article

Rhinelander, M. Q., & Dawson, S. M. (2004). Measuring sperm whales from their clicks: Stability of interpulse intervals and validation that they indicate whale length. Journal of the Acoustical Society of America, 115(4), 1826-1831.

Dawson, S., Slooten, E., DuFresne, S., Wade, P., & Clement, D. (2004). Small-boat surveys for coastal dolphins: Line-transect surveys for Hector's dolphins (Cephalorhynchus hectori). Fishery Bulletin, 102(3), 441-451.

Slooten, E., Dawson, S. M., & Rayment, W. J. (2004). Aerial surveys for coastal dolphins: Abundance of Hector's dolphins off the South Island west coast, New Zealand. Marine Mammal Science, 20(3), 477-490. doi: 10.1111/j.1748-7692.2004.tb01173.x

Working Paper; Discussion Paper; Technical Report

Dawson, S. (2004). Acoustic and ecological research on sperm whales at Kaikoura, New Zealand. International Workshop on Comprehensive Assessment of Sperm Whales.

2003

Chapter in Book - Research

Pichler, F. B., Slooten, E., & Dawson, S. M. (2003). Hector's dolphins and fisheries in New Zealand: A species at risk. In N. J. Gales, M. A. Hindell & R. Kirkwood (Eds.), Marine mammals: Fisheries, tourism and management issues. (pp. 153-173). Collingwood, VIC: CSIRO.

Brett, T., Carter, L., Carter, R. M., Darby, J., Davis, L., Dawson, S., Jillett, J., Probert, K., & Spencer, H. (2003). The open sea. In J. T. Darby, R. E. Fordyce, A. F. Mark, P. K. Probert & C. R. Townsend (Eds.), The natural history of Southern New Zealand. (pp. 313-338). Dunedin: University of Otago Press.

Journal - Research Article

Garcia, C., & Dawson, S. M. (2003). Distribution of pantropical spotted dolphins in Pacific coastal waters of Panama. Latin American Journal of Aquatic Mammals, 2(1), 29-38.

Dickie, G., & Dawson, S. M. (2003). Age, growth, and reproduction in New Zealand fur seals. Marine Mammal Science, 19(1), 173-185.

Lusseau, D., Schneider, K., Boisseau, O. J., Haase, P. A., Slooten, E., & Dawson, S. M. (2003). The bottlenose dolphin community of Doubtful Sound features a large proportion of long-lasting associations. Behavioral Ecology & Sociobiology, 54, 396-405.

Working Paper; Discussion Paper; Technical Report

Richter, C. F., Dawson, S. M., & Slooten, E. (2003). Sperm whale watching off Kaikoura, New Zealand: Effects of current activities on surfacing and vocalisation patterns [Science for Conservation 219]. Wellington, New Zealand: Department for Conservation. 74p. Retrieved from https://www.doc.govt.nz/

2002

Chapter in Book - Research

Dawson, S. M. (2002). Cephalorhynchus dolphins. In W. F. Perrin, B. Wurisg & J. G. M. Thewissen (Eds.), Encyclopedia of Marine Mammals. (pp. 200-203). San Diego: Academic Press.

Journal - Research Article

Fletcher, D. J., Dawson, S. M., & Slooten, E. (2002). Designing a mark-recapture study to allow for local emigration. Journal of Agricultural, Biological & Environmental Statistics, 7(4), 586-593.

McConkey, S. D., Lalas, C., & Dawson, S. M. (2002). Moult and changes in body shape and pelage in known-age male New Zealand sea lions (Phocarctos hookeri). New Zealand Journal of Zoology, 29, 53-61.

Brager, S., Dawson, S. M., Slooten, E., Smith, S., Stone, G. S., & Yoshinaga, A. (2002). Site fidelity and along-shore range in Hector's dolphin, an endangered marine dolphin from New Zealand. Biological Conservation, 108, 281-287.

Lettevall, E., Richter, C. F., Jaquet, N., Slooten, E., Dawson, S. M., Whitehead, H., … McCall-Howard, P. (2002). Social structure and residency in aggregations of male sperm whales. Canadian Journal of Zoology, 80, 1189-1196.

Commissioned Report for External Body

Slooten, E., Dawson, S. M., & Rayment, W. (2002). Quantifying abundance of Hector's dolphins between Farewell Spit and Milford Sound. Commissioned by Published client report on contract 3076, funded by Conservation Services Levy. Http://csl.doc.govt.nz/dsis35.pdf: Department of Conservation, Wellington, NZ. 18p.

2001

Journal - Research Article

Dawson, S. M., Pichler, F. B., Slooten, E., Russell, K., & Baker, C. S. (2001). The North Island Hector's dolphin is vulnerable to extinction. Marine Mammal Science, 17(2), 366-371.

Jaquet, N., Dawson, S. M., & Douglas, L. (2001). Vocal behaviour of male sperm whales: Why do they click? Journal of the Acoustical Society of America, 109(5, Pt 1), 2254-2256. doi: 10.1121/1.1360718

Bejder, L., & Dawson, S. M. (2001). Abundance, residency, and habitat utilisation of Hector's dolphins (Cephalorhynchus hectori) in Porpoise Bay, New Zealand. New Zealand Journal of Marine & Freshwater Research, 35, 277-287.

Dawson, S. M. (2001). Fine-scale abundance estimates from the 2000/2001 aerial survey of Hector's dolphins on the South Island west coast. DOC Science Internal Series, 21, 1-9.

Commissioned Report for External Body

Slooten, E., Dawson, S. M., & Du Fresne, S. (2001). Report on interactions between Hector's dolphins (Cephalorhynchus hectori) and a Golden Bay mussel farm. Commissioned by Environment Canterbury. Dunedin: Department of Zoology, University of Otago.

Clement, D., Slooten, E., Dawson, S. M., & DuFresne, S. (2001). Line-transect survey of Hector's dolphin abundance between Farewell Spit and Motunau. Commissioned by Published client report on contract 3075, funded by Conservation Services Levy. http://csl.doc.govt.nz/CSL3075.pdf: Department of Conservation, Wellington, NZ.

Du Fresne, S., Dawson, S. M., & Slooten, E. (2001). Line-transect Survey of Hector's Dolphin Abundance Between Timaru and Long Point, and Effect of Attraction to Survey Vessel. Commissioned by Published client report on contract 3074, funded by Conservation Services Levy.. http://csl.doc.govt.nz/CSL3074.pdf: Department of Conservation, Wellington, NZ. 19p.

2000

Journal - Research Article

Jaquet, N., Dawson, S., & Slooten, E. (2000). Seasonal distribution and diving behaviour of male sperm whales off Kaikoura: Foraging implications. Canadian Journal of Zoology, 78(3), 407-419. doi: 10.1139/z99-208

Brager, S., Chong, A. K., Dawson, S. M., Slooten, E., & Wursig, B. (2000). A combined stereo-photogrammetry and underwater-video system to study group composition of dolphins. Helgoland Marine Research, 53(2), 122-128.

Darby, J., & Dawson, S. M. (2000). Bycatch of yellow-eyed penguins (Megadyptes antipodes) in gillnets in New Zealand waters 1979-1997. Biological Conservation, 83, 327-332.

Commissioned Report for External Body

Dawson, S. M., Du Fresne, S., Slooten, E., & Wade, P. R. (2000). Line-transect Survey of Hector's Dolphin Abundance Between Motunau and Timaru. Commissioned by Published client report on contract 3072, funded by Conservation Services Levy. Http://csl.doc.govt.nz/CSL3072.pdf: Department of Conservation, Wellington, NZ. 18p.

1999

Journal - Research Article

Martien, K. K., Taylor, B. L., Slooten, E., & Dawson, S. M. (1999). A sensitivity analysis to guide research and management for Hector's dolphin. Biological Conservation, 90, 183-191.

Jones, P. J. F., Hannah, D. J., Buckley, S. M., Van Maanen, T., Dawson, S. M., Slooten, E., … Donoghue, M. (1999). Polychlorinated dibenzo-p-dioxins, dibenzofurans and polychlorinated biphenyls in New Zealand cetaceans. Journal Cetacean Res Manage, (Spec Issue 1), 157-167.

Cameron, C., Barker, R. J., Fletcher, D. J., Slooten, E., & Dawson, S. M. (1999). Modelling survival of Hector's dolphins around Banks Peninsula, New Zealand. Journal of Agricultural, Biological & Environmental Statistics, 4(2), 126-135.

Bejder, L., Dawson, S. M., & Harraway, J. A. (1999). Responses by Hector's dolphins to boats and swimmers in Porpoise Bay, New Zealand. Marine Mammal Science, 15(3), 738-750.

1998

Journal - Research Article

Dawson, S. M., Read, A. J., & Slooten, E. (1998). Pingers, porpoises and power: Uncertainties with using pingers to reduce bycatch of small cetaceans. Biological Conservation, 84(2), 141-146.

Dawson, S. M., Barlow, J., & Ljungblad, D. K. (1998). Sounds recorded from Baird's beaked whales Berardius bairdi. Marine Mammal Science, 14(2), 335-344.

Schneider, K., Baird, R. B., Dawson, S. M., & Childerhouse, S. J. (1998). Reactions of bottlenose dolphins to tagging attempts using a remotely-deployed suction-cup tag. Marine Mammal Science, 14(2), 316-324.

Lewis, K. B., Garlick, R. D., & Dawson, S. M. (1998). Kaikoura canyon: depths, texture and whale sightings. NIWA Chart Miscellaneous series no. 78. NIWA Ocean.

Pichler, F. B., Dawson, S. M., Slooten, E., & Baker, C. S. (1998). Geographic isolation of Hector's dolphin populations described by mitochondrial DNA sequences. Conservation Biology, 12(3), 676-682.

1997

Journal - Research Article

Parsons, S., Thorpe, C. W., & Dawson, S. M. (1997). Echolocation calls of the long-tailed bat: a quantitative analysis of types of calls. Journal of Mammalogy, 79(3), 964-976.

1996

Authored Book - Research

Dawson, S., & Slooten, E. (1996). Down-under Dolphins: The story of Hector's Dolphin. Christchurch, New Zealand: Canterbury University Press, 60p.

Journal - Research Article

Childerhouse, S. J., Dawson, S. M., & Slooten, E. (1996). Stability of fluke marks used in individual photo-identification of sperm whales at Kaikoura, New Zealand. Marine Mammal Science, 12, 447-451.

1995

Journal - Research Article

Childerhouse, S. J., Dawson, S. M., & Slooten, E. (1995). Abundance and seasonal residence of sperm whales at Kaikoura, New Zealand. Canadian Journal of Zoology, 73, 723-731.

Slooten, E., & Dawson, S. M. (1995). Conservation of marine mammals in New Zealand. Pacific Conservation Biology, 2, 64-76.