Dr Marta Guerra

2024

Journal - Research Article

Patiño-Pérez, J., Edirisinghe, H., Guerra, M., & Brunton, D. H. (2024). Evidence of geographic variation in the non-signature whistle repertoires of two isolated populations of New Zealand common bottlenose dolphin. New Zealand Journal of Zoology, 2322934. Advance online publication. doi: 10.1080/03014223.2024.2322934

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

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

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

2022

Journal - Research Article

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

Palmer, E., Alexander, A., Liggins, L., Guerra, M., Bury, S. J., Hendriks, H., … Peters, K. J. (2022). A piece of the puzzle: Analyses of recent strandings and historical records reveal new genetic and ecological insights on New Zealand sperm whales. Marine Ecology Progress Series, 690, 201-217. Retrieved from https://www.int-res.com/abstracts/meps/v690/p201-217/

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

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

Conference Contribution - Poster Presentation (not in published proceedings)

Guerra, M. (2021, July). Offshore surveys reveal a hotspot for oceanic megafauna off the Northland coast. Poster session presented 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

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

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

2019

Conference Contribution - Verbal presentation and other Conference outputs

Guerra, M. (2019, July). Inter-annual variability in abundance of sperm whales at Kaikōura in relation to ocean conditions. Verbal presentation at the NZ Marine Sciences Society (NZMSS) Joint Meeting with the Oceania Chondrichthyan Society, Dunedin, New Zealand.

Awarded Doctoral Degree

Guerra Bobo, M. (2019). Foraging ecology of sperm whales at Kaikōura (PhD). University of Otago, Dunedin, New Zealand. Retrieved from http://hdl.handle.net/10523/9189

2018

Conference Contribution - Verbal presentation and other Conference outputs

Guerra, M. (2018, July). The effects of the Kaikōura earthquake on sperm whales. Verbal presentation at the New Zealand Marine Sciences Society (NZMSS) Conference: Weaving the Strands, Napier, New Zealand.

Guerra, M. (2018, July). Environmental drivers of the fine-scale foraging distribution of sperm whales. Verbal presentation at the New Zealand Marine Sciences Society (NZMSS) Conference: Weaving the Strands, Napier, New Zealand.

2017

Journal - Research Article

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

2016

Journal - Research Article

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

Conference Contribution - Published proceedings: Abstract

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

2015

Journal - Research Article

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

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

2013

Conference Contribution - Published proceedings: Abstract

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/

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/

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/

2011

Journal - Research Article

Guerra-Bobo, M., & Brough, T. E. (2011). Neighbour density, body size and anti-predator hiding time in the New Zealand mud-crab Austrohelice crassa. Journal of the Marine Biological Association of the United Kingdom, 91(3), 691-694. doi: 10.1017/S0025315410001049