Will Rayment

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

Daudt, N. W., Guerra, M., Brough, T., Dwyer, S. L., Zaeschmar, J. R., Schofield, M. R., Smith, R. O., … Rayment, W. J. (2026). Migratory species strongly affect seabird biomass in seasonal assemblages off northeast Aotearoa/New Zealand. Journal of Marine Systems, 255, 104201. doi: 10.1016/j.jmarsys.2026.104201

Steidl, W., Guerra, M., Jowett, T., & Rayment, W. J. (2026). Characterizing the distribution and behavior of sperm whales, Physeter macrocephalus, over the Otago submarine canyons, New Zealand. Marine Mammal Science, 42(2), e70157. doi: 10.1111/mms.70157

Parikh, A., O'Rorke, R., Carroll, E. L., Vermeulen, E., Harcourt, R., Constantine, R., … Rayment, W. J., & Chariton, A. (2026). Characterising the gut microbiomes of two baleen whales with different feeding and migratory strategies. Animal Microbiome. Advance online publication. doi: 10.1186/s42523-026-00538-9

Conference Contribution - Verbal presentation and other Conference outputs

Alvarez-Costes, S., Baker, C. S., Constantine, R., Carroll, E. L., Reeves, I. M., Dutoit, L., Ferreira, S., … Gemmell, N. J., Gillum, J., … Rayment, W., … Te Aikā, B., & Alexander, A. (2026, February). From Ice Age to isolation: Historical demography and inbreeding depression in New Zealand's endemic Hector's and Māui dolphins [Invited]. Verbal presentation at the Genetics Otago (GO) Annual Symposium, Dunedin, New Zealand.

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

Trujillo, J. E., Bouyoucos, I. A., Weideli, O. C., Milanesi, E. M. C., Debaere, S. F., Rayment, W. J., … Allan, B. J. M. (2025). Safety in the shallows: Nearshore coastal habitats can provide physical and thermal features that optimize escape performance in newborn blacktip reef sharks (Carcharhinus melanopterus). Conservation Physiology, 13(1), coaf045. doi: 10.1093/conphys/coaf045

Daudt, N. W., Loh, G., Currie, K. I., Schofield, M. R., Smith, R. O., Woehler, E. J., … Rayment, W. J. (2025). Changing species occurrences in seasonal seabird assemblages at the Subtropical Frontal Zone. Estuarine, Coastal & Shelf Science, 323, 109405. doi: 10.1016/j.ecss.2025.109405

Alvarez-Costes, S., Baker, C. S., Constantine, R., Carroll, E. L., Guhlin, J., Dutoit, L., Ferreira, S., … Gemmell, N. J., Gillum, J., … Rayment, W., … Te Aikā, B., Urban, L., & Alexander, A. (2025). Leveraging synteny to generate reference genomes for conservation: Assembling the genomes of Hector's and Māui dolphins. Molecular Ecology Resources, e14109. Advance online publication. doi: 10.1111/1755-0998.14109

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

Patton, P. T., Pacifici, K., Baird, R. W., Oleson, E. M., Allen, J. B., Ashe, E., … Johnston, D. R., … Rayment, W. J., … Bejder, L. (2025). Optimizing automated photo identification for population assessments. Conservation Biology, 39, e14436. doi: 10.1111/cobi.14436

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

Czechowski, P., de Lange, M., Heldsinger, M., Kardailsky, A., Rayment, W., Hepburn, C., … Knapp, M. (2024). Comparison of traditional and molecular surveys of fish biodiversity in southern Te Wāhipounamu/Fiordland (Aotearoa/New Zealand). Environmental DNA, 6(e514). doi: 10.1002/edn3.514

Daudt, N. W., Woehler, E. J., Schofield, M. R., Smith, R. O., Bugoni, L., & Rayment, W. J. (2024). Seabird assemblages are linked to the major western boundary current off eastern Australia. Progress in Oceanography, 223, 103215. doi: 10.1016/j.pocean.2024.103215

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

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

Patton, P. T., Cheeseman, T., Abe, K., Yamaguchi, T., Reade, W., Southerland, K., … Johnston, D. R., … Rayment, W. J., … Bejder, L. (2023). A deep learning approach to photo-identification demonstrates high performance on two dozen cetacean species. Methods in Ecology & Evolution, 14, 2611-2625. doi: 10.1111/2041-210X.14167

Ryder, F. J., Gnanalingam, G., Pritchard, D. W., Rayment, W. J., Scott, N. J., & Hepburn, C. D. (2023). Drivers of fishery status for the cultural keystone pāua (Haliotis iris) in Customary fishery Protection Areas in Aotearoa New Zealand. Fisheries Research, 261, 106613. doi: 10.1016/j.fishres.2023.106613

Heldsinger, M., Hepburn, C., Jowett, T., & Rayment, W. (2023). Small marine reserves provide conservation benefits for coastal sharks in southern New Zealand. Aquatic Conservation, 33, 144-159. doi: 10.1002/aqc.3911

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

Crowe, L. M., Rayment, W., & Stanley, J. A. (2023). If these walls could talk: Investigating bottlenose dolphin habitat use in fiord ecosystems. Journal of the Acoustical Society of America, 154(Suppl. 4), A276. doi: 10.1121/10.0023514

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]

Conference Contribution - Verbal presentation and other Conference outputs

Alvarez-Costes, S., Baker, C. S., Constantine, R., Carroll, E., Dutoit, L., Ferreira, S., … Gemmell, N., Gillum, J., … Rayment, W., … Urban, L., & Alexander, A. (2023, August). Reference genomes, genome-wide heterozygosity, and historical demography of Hector's (Cephalorhynchus hectori hectori) and Māui (Cephalorhynchus hectori maui) dolphins. Verbal presentation at the Queenstown Molecular Biology (QMB) Genomics Satellite, Queenstown, New Zealand.

2022

Journal - Research Article

Trujillo, J. E., Bouyoucos, I., Rayment, W. J., Domenici, P., Planes, S., Rummer, J. L., & Allan, B. J. M. (2022). Escape response kinematics in two species of tropical sharks: Short escape latencies and high turning performance. Journal of Experimental Biology, 225, jeb243973. doi: 10.1242/jeb.243973

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

Mouton, T. L., Stephenson, F., Torres, L. G., Rayment, W., Brough, T., McLean, M., … Leprieur, F. (2022). Spatial mismatch in diversity facets reveals contrasting protection for New Zealand's cetacean biodiversity. Biological Conservation, 267, 109484. doi: 10.1016/j.biocon.2022.109484

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

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

Conference Contribution - Verbal presentation and other Conference outputs

Rayment, W. (2021, July). Thirty-seven years and counting: Lessons learned from long-term monitoring of cetaceans in Aotearoa. Verbal presentation at the New Zealand Marine Sciences Society (NZMSS) Conference: Titiro whakamuri, kōkiri whakamua/Looking back, to move forward, Tauranga, New Zealand.

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

Conference Contribution - Published proceedings: Abstract

Smith, R. O., & Rayment, W. J. (2020). Synoptic-scale variability of subsurface ocean thermal structure within the Otago submarine canyons. Proceedings of the Fluids in New Zealand (FiNZ) Conference. (pp. 31). Retrieved from http://sfat.massey.ac.nz/finz2020

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

Chapter in Book - Research

Thomson, P. G., Cannell, B. L., Ghadouani, A., Fraser, M. W., & Rayment, W. J. (2019). Monitoring ocean and estuary health. In E. J. Techera & G. Winter (Eds.), Marine extremes: Ocean safety, marine health and the blue economy. (pp. 87-105). Abingdon, Oxon: Routledge.

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

Housiaux, J. A., Hepburn, C. D., & Rayment, W. J. (2019). Seasonal variation in occurrence of the sevengill shark, Notorynchus cepedianus, in two inshore habitats of southern New Zealand. New Zealand Journal of Zoology, 46(1), 48-60. doi: 10.1080/03014223.2018.1482930

Conference Contribution - Verbal presentation and other Conference outputs

Rayment, W. (2019, July). Distribution of New Zealand fur seals over the Otago submarine canyons. Verbal presentation at the NZ Marine Sciences Society (NZMSS) Joint Meeting with the Oceania Chondrichthyan Society, Dunedin, New Zealand.

2018

Journal - Research Article

Leunissen, E. M., Webster, T., & Rayment, W. (2018). Characteristics of vocalisations recorded from free-ranging Shepherd's beaked whales, Tasmacetus shepherdi. Journal of the Acoustical Society of America, 144(5), 2701-2708. doi: 10.1121/1.5067380

Donnelly, D. M., Ensor, P., Gill, P., Clarke, R. H., Evans, K., Double, M. C., Webster, T., Rayment, W., & Schmitt, N. T. (2018). New diagnostic descriptions and distribution information for Shepherd's beaked whale (Tasmacetus shepherdi) off Southern Australia and New Zealand. Marine Mammal Science, 34(3), 829-840. doi: 10.1111/mms.12478

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

Conference Contribution - Verbal presentation and other Conference outputs

Rayment, W. (2018, July). Seasonal variation in diversity and distribution of pelagic seabirds over the Otago shelf and canyons. Verbal presentation at the New Zealand Marine Sciences Society (NZMSS) Conference: Weaving the Strands, Napier, New Zealand.

2017

Journal - Research Article

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

Guerra, M., Hickmott, L., van der Hoop, J., Rayment, W., Leunissen, E., Slooten, E., & Moore, M. (2017). Diverse foraging strategies by a marine top predator: Sperm whales exploit pelagic and demersal habitats in the Kaikōura submarine canyon. Deep Sea Research Part I, 128, 98-108. doi: 10.1016/j.dsr.2017.08.012

Torres, L. G., Rayment, W., Olavarría, C., Thompson, D. R., Graham, B., Baker, C. S., … Carroll, E. L. (2017). Demography and ecology of southern right whales Eubalaena australis wintering at sub-Antarctic Campbell Island, New Zealand. Polar Biology, 40(1), 95-106. doi: 10.1007/s00300-016-1926-x

Conference Contribution - Published proceedings: Abstract

Eisert, R., Goetz, K., Horton, T., Lundquist, D., Lyver, P., Parker, S., Rayment, W., … Visser, I. (2017). Top predators and research and monitoring of the Ross Sea region Marine Protected Area. Proceedings of the New Zealand Antarctic Science Conference: Challenging science in a challenging environment. (pp. 16). New Zealand Antarctic Research Institute. Retrieved from https://antarctic2017.org

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

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

Twist, B. A., Hepburn, C. D., & Rayment, W. J. (2016). Distribution of the New Zealand scallop (Pecten novaezealandiae) within and surrounding a customary fisheries area. ICES Journal of Marine Science, 73(2), 384-393. doi: 10.1093/icesjms/fsv228

O'Connell-Milne, S., Savage, C., & Rayment, W. (2016). The influence of commercial harvesting on parasite infection in the bivalve Austrovenus stutchburyi. Canadian Journal of Fisheries & Aquatic Sciences, 73, 982-989. doi: 10.1139/cjfas-2015-0401

Twist, B. A., Rayment, W. J., & Hepburn, C. D. (2016). Movement patterns of adult scallops (Pecten novaezealandiae) within a customary fisheries reserve: Implications for fine scale spatial management. Fisheries Research, 174, 160-166. doi: 10.1016/j.fishres.2015.09.020

O'Connell-Milne, S. A., Poulin, R., Savage, C., & Rayment, W. (2016). Reduced growth, body condition and foot length of the bivalve Austrovenus stutchburyi in response to parasite infection. Journal of Experimental Marine Biology & Ecology, 474, 23-28. doi: 10.1016/j.jembe.2015.09.012

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

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

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

Urian, K., Gorgone, A., Read, A., Balmer, B., Wells, R. S., Berggren, P., … Rayment, W., & Hammond, P. S. (2015). Recommendations for photo-identification methods used in capture-recapture models with cetaceans. Marine Mammal Science, 31(1), 298-321. doi: 10.1111/mms.12141

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

Carroll, E. L., Rayment, W. J., Alexander, A. M., Baker, C. S., Patenaude, N. J., Steel, D., … Childerhouse, S. (2014). Reestablishment of former wintering grounds by New Zealand southern right whales. Marine Mammal Science, 30(1), 206-220. doi: 10.1111/mms.12031

Journal - Research Other

Rayment, W. J. (2014). [Review of the book Whales and dolphins of Aotearoa New Zealand]. Journal of the Royal Society of New Zealand, 44(2-3), 103-104. doi: 10.1080/03036758.2014.930052

Working Paper; Discussion Paper; Technical Report

Russell, P., Hepburn, C. D., Rayment, W. J., Twist, B. A., & Kearney, E. J. F. (2014). Ngā Tipa o Te Whaka ā Te Wera Mātaitai: Stratified survey of the Paterson Inlet customary scallop (Pecten novaezelandiae) fishery, 2013: New Zealand Fisheries Assessment Report 2014/16. Wellington, New Zealand: Ministry for Primary Industries. 40p.

2013

Journal - Research Article

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

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

Conference Contribution - Published proceedings: Abstract

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/

Hickmott, L. S., van der Hoop, J., Rayment, W., Slooten, E., Guerra, M., Fahlman, A., … Miller, B. S., & Moore, M. (2013). New Zealand sperm whales (Physeter macrocephalus): From an eye in the sky, to insights in the abyss, a multi-disciplinary study of the sperm whales of Kaikoura Canyon. Proceedings of the 20th Biennial Conference on the Biology of Marine Mammals. (pp. 94). 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/

Davidson, A. R., Rayment, W., & Slooten, L. (2013). Estimates of calving interval for southern right whales (Eubalaena australis) in New Zealand waters. Proceedings of the 20th Biennial Conference on the Biology of Marine Mammals. (pp. 55-56). Retrieved from http://www.marinemammalscience.org/

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

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

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

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

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

Conference Contribution - Published proceedings: Abstract

Rayment, W., & Childerhouse, S. (2011). Photo-ID estimates of southern right whale abundance in the Auckland Islands calving grounds. Proceedings of the New Zealand Marine Sciences Society (NZMSS) Conference: Understanding, Managing, and Conserving our Marine Environment. (pp. 23). Retrieved from http://nzmss.org/assets/Conference/NZMSS2011AbstractsOralPresentations.pdf

2010

Journal - Research Article

Poorbagher, H., Lamare, M. D., Barker, M. F., & Rayment, W. (2010). Relative importance of parental diet versus larval nutrition on development and phenotypic plasticity of Pseudechinus huttoni larvae (Echinodermata: Echinoidea). Marine Biology Research, 6(3), 302-314. doi: 10.1080/17451000903300877

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

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

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

Rayment, W. (2010). Recovery and recolonisation by southern right whales. Proceedings of the New Zealand Marine Sciences Society 50th Anniversary Conference. (pp. 29). NZMSS. Retrieved from www.nzmss.org/conference

2009

Journal - Research Article

Rayment, W., & Webster, T. (2009). Observations of Hector's dolphins (Cephalorhynchus hectori) associating with inshore fishing trawlers at Banks Peninsula, New Zealand. New Zealand Journal of Marine & Freshwater Research, 43(4), 911-916. doi: 10.1080/00288330909510049

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

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

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.

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

Commissioned Report for External Body

Slooten, L., Rayment, W. J., & Webster, T. (2005). Potential impacts of marine farms on marine mammals: Existing research data, information gaps and problems with monitoring. Commissioned by Report to the Pegasus Bay Marine Farms & Department of Conservation. Dunedin: Marine Mammal Research Group, University of Otago, 2 edition. 17p.

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

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

2002

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.

2000

Commissioned Report for External Body

Slooten, E., Rayment, W., Clement, D., Jones, G. J., & DuFresne, S. (2000). Potential effect on Hector's dolphins of proposed mussel farming in Akaroa Harbour. Commissioned by National Institute of Water and Atmosphere.

DuFresne, S., Slooten, E., Rayment, W., Clement, D., & Jones, G. J. (2000). Report on the potential effects on Hector's dolphins of a proposed mussel farm in Port Levy. Commissioned by Southern Marine Farms Ltd.